(Synthesis - 2017) General · 28.1 Design of a mechanical system for a shielding (Pb) of Gamma...

Dr. Haydn Barros Rojas, Physicist

(Synthesis - 2017)

General

- Date and birth place: 07 Aug. 1971, Caracas.

- Venezuelan Citizen

- Gender: Male

Education

- 1998. B. Sc. in Physics. Simon Bolivar University (Venezuela)

Final Degree Research Work at the Nuclear Physics Laboratory.

- 2002. Advanced Studies Diploma in Physics. Seville University (Spain)

Final Degree Research Work at the Nuclear and Molecular Physics Department.

- 2005. Doctor in Physics (Cumlaude) Seville University (Spain)

Doctoral Thesis at the Nuclear and Molecular Physics Department.

- 7 Additional Specialized Courses in Nuclear Physics, Applications, Geochronology and Radiation Protection

Research

- Head of the Nuclear Physics Laboratory at Simon Bolivar University (since 2005)

- More than 70 scientific articles, 31 of them in the SCI (see Research Gate)

- 85 contributions to International Congresses and 47 to National ones

- Responsible of 17 Research and Development Projects: 5 International and 12 National

- Scientific Collaborator in other 29 Research and Development Projects.

- Responsible of services associate to Research at Nuclear Physics Lab.; Simon Bolivar University

- Responsible of 3 Educational Projects: 2 international and 1 national

- Radiation Safety Officer of the Simon Bolivar University (since 2010)

- Member of the Organizing Committee of 6 Conferences and more than a dozen of Diffusion Events

- 19 Scientific Visits in Research Centres in more than 10 different countries

- Advisor of the PDVSA, INTEVEP, PEQUIVEN, BAUXILUM, IVIC, etc.

Teaching

- Permanent Staff at the Physics Department, Universidad Simon Bolívar (since 2005)

- Advisor of more than 40 Graduate Research Works in Nuclear Physics and Applications (M.Sc. and Bachelor degrees)

- Evaluator of more than 35 Research Works (Graduate, M.Sc. and PhD Thesis; Science Awards; etc.)

- Teacher of 6 different Courses on Nuclear Physics and Applications (Professor at Masters Courses at USB, IVIC, UCV

and also in one course as Expert for the IAEA)

- More than 19 year experience in Research and Teaching

- Head of the Physics Demonstrations Laboratory at Universidad Simon Bolivar (since 2006)

Research Areas

- Radiometric and radioisotopic characterization of minerals, materials and industrial by-products.

- Alpha and Gamma Spectrometry, Nuclear Trace Detectors, Neutron Activation, FRX, ICPOES and ICPMS

- Applications of Nuclear Techniques: Oil Industry, Geology, Hydrology, Environment and Materials.

- Determination of low levels of Radioactivity and Heavy Metals (Environment, Industry, NORM, TNORM, etc.)

- Modelling of the Dynamics of Contaminants in Aquatic and Porous Media

- Radioactive Tracers, Dating, Geochronology, Hydrogeology, Palaeontology and Archaeology.

- Electronics for Nuclear Instrumentation, Geophysics and Control.

Acknowledgments

- Order “July 18th

”, granted on September 17, 2015. Universidad Simon Bolívar

- Researcher Level C of the Research Stimulus Program (PEI) of the MCTI since 2013 (C is the highest level).

- Researcher Level B of the Research Stimulus Program (PEI) of the MCTI 2011-2012.

- Researcher Level I of the National Program for Research Promotion. PPI No. 7313, 2005-2010

- Prize to the "Outstanding Academic Work". Laboratory Unit, Universidad Simon Bolivar. May 2007

- Member of the Venezuelan Nuclear Society

- Founding Member of the Latin American Association of Nuclear Physics and Applications (ALAFNA)

- Founding Member of the Young Researchers of Venezuela (2010-2015)

- Ordinary member of the Venezuelan Society of Physics

- Scholarship for Doctoral Studies FUNDAYACUCHO. 1999-2004.

- Research Fellowship Scholarship. British Council. July-August 1998

CURRICULUM VITAE

Dr. Haydn Barros

A) Personal Data

Name: Barros Rojas, Haydn

Nationality: Venezuelan

Address: Universidad Simon Bolívar, Laboratorio de Física Nuclear. Edf. FE1. P.B. Sartenejas.

Caracas 1080A – Venezuela.

Position: Professor at the Physics Department, Head of the Nuclear Physics Section,

Radiation Safety Officer and Head of the Physics Demonstrations Laboratory

e-mail: [email protected], [email protected]

Web: www.nuclear.fis.usb.ve

Tele-Fax: + 58 212 906 35 90: +58 412 544 05 24

B) Academic qualifications

1. University.

1.1 Simon Bolívar University, Venezuela.

1.2 Year: 1998

1.3 Degree: Bachelor in Physics.

Undergraduate Thesis: New Calibration Method for measuring the Gamma emitters Isotopic Concentration in Crude

Oil and Ashes.

2. Post-Graduate.

2.1 University of Seville, Spain.

2.2 Year: 2002

2.3 Degree: Advanced Studies Diploma.

Master Thesis: Experimental and Modelling Studies of the 133

Ba Reactions in Aqueous Suspensions.

3. Ph.D.

3.1 University of Seville, Spain..

3.2 Year: 2005.

3.3 Degree: Ph.D. in Physics (Cumlaude).

3.4 Ph.D. Thesis: Study of the radionuclides and heavy metals exchange kinetics, in relation with the modeling of its

dispersion in natural aquatic environments.

4. Participation in Courses / Workshops on Applied Nuclear Physics and Radioprotection.

4.1 Training Course: Recent Developments in Tritium Analysis for Hydrological Applications.

Isotope Hydrology Section. International Atomic Energy Agency. 19 to 23 June 2017. Vienna, Austria.

4.2 Regional Workshop on identification and control of existing expositions and NORM sceneries in oil and Gas

Industry. Project RLA/9078 IAEA. Rio de Janeiro, June 12 – 16, 2017.

4.3 Consultant Training Workshop on Developments in Tritium Enrichment and Measurement. International Atomic

Energy Agency, Isotope Hydrology Laboratory. 19-23 October, 2015, Vienna

4.4 International School: Zircon, a key mineral for dating and tracking geological processes. Università degli Studi di

Pavia, Italy 8-13 September, 2013

4.5 Regional Course on Hydrogeology. Interamerican Research Centre for Development of Land and Environment

(CIDIAT) – University of the Andes, Mérida, Venezuela. Oct. 31 – Nov. 25, 2011.

4.6 Advanced Course of ICP-MS Operator, Thermo Elemental Co. Seville, Dec. 2002 and April 2003.

4.7 IV Course of Supervisors and Operators of Nuclear Installations. Training and Development Centre, Seville

University and Spanish Nuclear Safety Council. Sept. 16 to Oct 4, 2002.

4.8 Basic Course on Ionizing Radiations. Domingo Luciani Hospital, Caracas, Venezuela.2-4/09/99.

4.9 Monte Carlo Methods applied to particle transport (neutrons and photons). MCNP. University Hospital of

Birmingham, England, August-September 1998.

4.10 VII Summer School Jorge André Swieca, Experimental Nuclear Physics. Nuclear Instrumentation, Exotic Nuclei

and Nuclear Structure at High Angular Momentum. Pelletron Laboratory. IFUSP-DFN, Sao Paulo University,

Brazil. 2 - 14 of Feb. 1998.

5. Other Courses and Workshops

5.1 Safety in activities involving H2S. INTEVEP. August, 2016 (6 hours).

5.2 International Cooperation Projects for Latin American Universities. Organized by CANVAS. Jun - 2013.

5.3 Basic Security in the Field - Staff Safety, Health and Welfare. UN – IAEA, November, 2007.

5.4 Management by Competences. Department of Teacher Development. March, 2006 (3 hours).

5.5 Workshop on Teaching and Research Getting Started. Dpt. of Teacher Development, USB. Jan 2006 (9 hour)

5.6 The Project Cycle with the Logic Frame Methodology (LFM). International Atomic Energy Agency (IAEA) and

Venezuelan NLO Office. 13 to 17 of June 2005.

C) Work Experience.

1. Simon Bolívar University (Venezuela).

Radiation Safety Officer, since April 2010.

Professor at the Physics Department, since 2005.

Head of the Nuclear Physics Laboratory, since 2005. (www.nuclear.fis.usb.ve)

Head of the Physics Demonstrations Laboratory, since 2006.

Part-time Teacher at the Physics Department. Course: Advanced Physics Laboratory, Jan-Sept. 1999.

Research Assistant, Nuclear Physics Laboratory. 1998 - 1999.

Undergraduate Research Assistant, Nuclear Physics Laboratory. 1993 - 1998.

2. PDVSA. External advisor in petrophysics and nuclear well logging, since 2015.

3. Venezuelan Scientific Research Institute (IVIC - Venezuela)).

Invited Professor of the Radiation Physics Course, Medical Physics Master Program. since 2009.

4. International Atomic Energy Agency (IAEA).

Expert for Training Course: Use of Tracer Techniques for Water Quality Monitoring, in the frame of the Project

RLA/1/010 Improvement of the regional management of the pollution of water bodies contaminated by metals.

Barquisimeto, Venezuela. 10 to 14 October 2007.

5. University of Seville (Spain)

Mass Spectrometry Laboratory Technician, at S.G.I.A.U.S. 2003 - 2005.

Research Fellow at the Nuclear, Molecular and Atomic Physics Department. 2000 – 2005.

6. Universitá degli Studio de Palermo (Italia)

Invited Professor at Dipartimento di Agronomia, Coltivazioni Ervacee e Pedologia. Seminary Cycle:

Radionuclides in Soil Science and ICP-MS Applications. Founded by The European Society For Soil

Conservation. November 2003.

7. Centre for Cross Cultural Study and Nuclear, Molecular and Atomic Physics Dpt. University of Seville (Spain).

Part-time Professor of the Quantum Physics Course.

8. Science Museum of Caracas (Venezuela).

Instructor in the Recreational Physics Camp. 1997 - 1999.

9. El Peñón College, IEA, (Venezuela).

Pre-universitary Physics Teacher. 1997-1998.

10. Grupo Editorial Venelibros.

Supervisor of the Department of Festivals and Special Events. 1990 - 1994.

D) Tutor of Graduate or Master Thesis, etc.

42.1 Radioisotope study of naturally occurring and technologically enhanced radioactive material (NORM/TENORM)

in oil production waters at two flow stations of the Barinas District.

42.2 Student: Mariluz Murillo

42.3 Master in Health Engineering. (IN PROGRESS)

42.4 Central University of Venezuela. Start January 2017.

41.1 Radioisotope characterization of the phytophgypsum of the PEQUIVEN plant in the context of TENORM.

41.2 Student: Giancarlo Cuticchia

41.3 Physicist. (IN PROGRESS)

41.4 Universidad Simon Bolívar (Venezuela) Start January 2017.

40.1 Digital signal processing of a liquid scintillation detector using FPGA for discrimination α/β (PSD).

40.2 Student: Adriana Simancas.



http://www.nuclear.fis.usb.ve/

39.1 Radioisotope characterization of the Red Mud of the BAUXILUM plant in the context of the TENORM.

39.2 Student: Armando Gamboa.



38.1 Determination of Radio in production waters: management of NORM/TENORM in the oil industry.

38.2 Student Name: Cindy Bello.

38.3 Chemical Engineering. (IN PROGRESS)

38.4 Central University of Venezuela. Start January 2017.

37.1 Radioisotope and elemental characterization of NORM in pipelines of the Venezuelan oil industry

37.2 Student: William Rodríguez


37.4 Universidad Simon Bolívar (Venezuela) Start April 2016.

36.1. Study and integration of radiometric data in well of Dobokubi Field, Ayacucho Block, Orinoco Oil Belt.

36.2 Student: Nelary Farías

36.3 Geophysical Engineering.

36.4 Universidad Simon Bolívar (Venezuela). March 2017.

35.1 Study and integration of resistivity data in wells of Dobokubi Field, Ayacucho Block, Orinoco Oil Belt.

35.2 Student: Andrés Méndez

35.3 Geophysical Engineering.

35.4 Universidad Simon Bolívar (Venezuela) March 2017.

34.1 Discrimination of n/γ by Pulse Shape Analysis (PSD) and flight-time measurement (TOF).

34.2 Student: Carmen Villalba.



33.1 Design and construction of a shield for Gamma Spectrometry and the mobile systems of its structure support.

33.2 Student: Ulysses Romero.

33.3 Mechanical Engineer. (IN PROGRESS)


32.1 Calibration methodology in Gamma Spectrometry efficiency for various matrices

32.2 Student: Rolando Díaz.

32.3 Physicist.

32.4 Universidad Simon Bolívar (Venezuela) February 2017.

31.1 Use of perforation mud as geological samples for the determination of U and Th concentrations in

Formations at Ayacucho Block, Orinoco Oil Belt.

31.2 Student: Jesús Camejo.

31.3 Geochemist.

31.4 Central University of Venezuela. November 2016.

30.1 Recognition of heavy minerals and analysis of their effects on petrophysical records of the Temblador Group,

Dobokubi Field, Edo. Anzoátegui.

30.2 Student: Milagros Duhamel.

30.3 Geologist Engineer.

30.4 Central University of Venezuela. May 2016.

29.1 Discrimination alpha/beta by Pulse Shape Analysis (PSA) using scintillation detectors.

29.2 Student: Anabel Romero.

29.3 Physicist.

29.4 Universidad Simon Bolívar (Venezuela) July 2016.

28.1 Design of a mechanical system for a shielding (Pb) of Gamma Spectrometry of high resolution and efficiency.

28.2 Student: Nelson López.

28.3 Mechanical Engineer.

28.4 Universidad Simon Bolívar (Venezuela) May 2015.

27.1 Assembly of a low-level spectrometric gamma system and recent geochronological study of the Matícora

Reservoir (Falcon State).

27.2 Student: Johnny Salas

27.3 Master in Physics.

27.4 Universidad Simon Bolívar (Venezuela). April 2016.

26.1 Elemental composition of sediment profiles of Matícora Reservoir (Edo. Falcón) by TXRF and ICP-OES.

26.2 Student: Enmily García.

26.3 Chemist.

26.4 Universidad Simon Bolívar (Venezuela). October 2015.

25.1 Dosimetry in hands during manipulation of 18F in nuclear medicine services.

25.2 Student: Henderson Figuera.

25.3 Physicist.

25.4 Universidad Simon Bolívar (Venezuela) November 2013.

24.1 Nuclear Data Digital Acquisition with a FPGA based device.

24.2 Student: Argenis Arriojas.

24.3 Master in Physics

24.4 Simon Bolivar University (Venezuela) Start: September 2010.

23.1 Design and Construction of a Gamma Reflexion Densitometer

23.2 Student: Felix Pino.

23.3 Master in Physics

23.4 Simon Bolivar University (Venezuela) January 2011.

22.1 Water Tank Cherenkov Detector Installation and its Calibration by the Vertical Equivalent Muon Technique..

22.2 Student: Iskya García.

22.3 Physicist.

22.4 Central University of Venezuela, October 2010.

21.1 Electric Tomography test as a tool for aquifer’s prospection in Puerto Cumarebo, Falcon State.

21.2 Student: Eliseo de la Peña.

21.3 Geophysics Engineer

21.4 Simon Bolivar University (Venezuela) May 2009.

20.1 Design and Implementation of a Geographic Information System for Geophysical data in the coastal zone of

Tocopero and Puerto Cumarebo, Falcon State.

20.2 Student: Alejandro Lemmo


20.4 Simon Bolivar University (Venezuela), May 2009.

19.1 Recent Sediment Geochronology by Alpha Spectrometry by 210

Pb (210

Po).

19.2 Student: Argenis Arriojas.

19.3 Physicist.

19.4 Simon Bolivar University (Venezuela), October 2009.

18.1 Analysis and Classification of Meteorites by Petrology and Elemental Analysis.

18.2 Student: Alejandro Ludert.

18.3 Physicist.

18.4 Simon Bolivar University (Venezuela), February 2008.

17.1 Thermal and Epithermal Neutron Dosimetry using experimental Fluency values.

17.2 Student: Rossemerie Alvarado.

17.3 Physicist.

17.4 Simon Bolivar University (Venezuela) 2008.

16.1 Isomeric Studies in the shell f7/2.

16.2 Student: Pedro Montuenga.

16.3 Physicist.

16.4 Simon Bolivar University (Venezuela) / Lund University (Sweden), November 2008.

15.1 Water Tanks Cerenkov Detectors Installation in the Espejo Peak Station (4860 a.s.l) in the LAGO Project

(Large Aperture Gamma Ray Burst Observatory)

15.2 Student: Juan C. Tello.

15.3 Physicist.

15.4 Simon Bolivar University (Venezuela), February 2009.

14.1 Astrophysics in the Mérida Cable Car Station: LAGO Project.

14.2 Student: Mariangely Padrón Torres.

14.3 University Technician in Tourism Administration (PD-3405)

14.4 Simon Bolivar University (Venezuela)

13.1 Neutron Activation Analysis of Venezuelan Archaeological Samples.

13.2 Student: Félix Eduardo Pino Andrades.

13.3 Physicist.

13.4 Simon Bolivar University (Venezuela), Mayo 2007.

12.1 k0 Standardization Neutron Activation Analysis of Industrial and Waste samples of Venezuela.

12.2 Student: Fulvio Romano Farina A.

12.3 Physicist.

12.4 Simon Bolivar University (Venezuela), Mayo 2007.

11.1 Physic-chemical characterization of underground waters from the aquifers in Puerto Cumarebo and Tocópero.

11.2 Student: José G. Arévalo R.

11.3 Chemical Engineer.

11.4 Universidad Nacional Experimental Francisco de Miranda (Venezuela), September 2006.

10.1 Geology of the Coastal Region of Tocopero and Pto. Cumarebo.

10.2 Student: Carolina Mirabella.


10.4 Simon Bolivar University (Venezuela), 2006.

9.1 GPS data Processing: Coastal Region of Tocopero and Pto. Cumarebo

9.2 Student: Sary Zambrano.



8.1 Processing and interpretation of vertical electrical sounding and seismic refraction data in the well PJ1.

8.2 Student: Astrid Torres.



7.1 Processing and interpretation of vertical electrical sounding and seismic refraction data in the well STR1.

7.2 Student: Esteban Patin.




6.2 Student: Carla Carvajal.




5.2 Student: Daniel Rendón.




4.2 Student: Israel Roche.




3.2 Student: Luis Lezama.



2.1 Influence of the bio fumigation in the strawberry cultivation on brominated soils.

2.2 Student: Blanca Martínez Infantes.

2.3 Agriculture Technical Engineer.

2.4 Universidad de Seville (Spain), 2005.

1.1 Agricultural use of by-products of the fertilizer industry (phosphogypsum) as soil improvers: Effects on

agronomic parameters and environmental quality..

1.2 Student: Manuel Migueles Martín.

1.3 Agriculture Technical Engineer

1.4 Universidad de Seville (Spain), 2005.

E) Scientific Societies and comunities

1. Member of the Venezuelan Nuclear Society, since 2010.

2. Founding member of the Young Venezuelan Researchers, 2010-2016.

3. Founding member of the Latin American Association of Nuclear Physics and Applications (ALAFNA), since 2009.

4. Ordinary member of the Venezuelan Society of Physics

5. Member of National Groundwater Research Network (MPPCTII), since 2007.

6. Member of the LAGO Collaboration (LAGO-Caracas spokesperson), since 2007.

7. Member of the CYTED Thematic Network, 406RT0282 IBEROARSEN. "Arsenic in Latin America: Distribution,

Analytical Methodologies and Removal Technologies" since 2006.

8. Member of the Physics Demonstrations Group. Simon Bolívar University, since 2005.

9. Member of the Applied Nuclear Physics (RNM-138). Seville University. 1999-2005.

10. Member of the International Association of Physics Students (IAPS) 1996-1999.

11. Member of the Nuclear Physics Laboratory. Simon Bolívar University, since 1993.

12. Reviewer of Radiation Measurements. Elsevier.

13. Reviewer of Journal of Environmental Radioactivity. Elsevier.

14. Reviewer of Chemistry and Ecology. Taylor and Francis Group.

15. Reviewer of INTERCIENCIA.

______________________________________________________________________________________________________________________________________________________________

F) Contributions to Scientific Conferences

124.1. H. Barros, D, G. Espinosa, W. Rodríguez and L. Sajo-Bohus.

124.2 Radon Exhalation from Industrial Residues as Suitable Additives for Building Materials.

124.3 XIII International Symposium on Radiation Physics. Puebla, México, May 24-26, 2017.

123.1. H. Barros, D. Palacios, E.D. Greaves, L. Sajo-Bohus.

123.2 Applied Nuclear Techniques in the Oil Industry.

123.3 Encuentro PDVSA con nuestra Ciencia. IVIC 01, 02 y 03 de febrero, 2017.

122.1. H. Barros, N. Farías, A. Méndez, J. Camejo, M. Duhamel. (Invited)

122.2 Apparent anomalies in Gamma Ray and Resistivity Logging in the Orinoco Oil Belt.


121.1. H. Barros, D. Palacios.

121.2 NORM – TENORM in the Venezuelan Oil Industry.


120.1. A. Vidal, H. Barros, F. Pino, L. Sajo-Bohus, O. Aguillón.

120.2 Medida de flujos multifásicos mediante tecnologías hidráulicas y nucleares.


119.1. F. Pino, H. Barros, L. Sajo-Bohus y C. Villalba.

119.2 Sistema de monitoreo en tiempo real y en línea de la concentración de azufre en petróleo.


118.1. L. Sajo-Bohus, H. R. Vega-Carrillo, R. Castell and H. Barros.

118.2 Nuclear energy production with low environmental impact: LD-Subcritical Th-MSR proof of concept.

118.3 XII International Symposium on Radiation Physics. Puebla. Mexico. April 6 to Friday April 8, 2016.

117.1. C. Arteaga, E. Alvarez, C. Alvarez, D. Palacios, H. Barros, L. Sajo-Bohus, A. Olarte y J. Valencia.

117.2 Radón ambiental en viviendas y su impacto en la salud humana.

117.3 Simposio Internacional sobre Educación, Capacitación y Gestión del Conocimiento en Energía Nuclear y sus

Aplicaciones. Cusco – Perú. 22 al 26 de noviembre de 2015.

116.1 L. Sajo Bohus, E. D. Greaves, J. Dávila, F. Pino, M. T. Barrera, H. Barros.

116.2 NTD for Low Energy Photofission of Th and U Study for Gamma Driven-MSR

116.3 XI Latin American Symposium on Nuclear Physics and Applications, Medellín, Colombia. 30/11 to 04/12, 2015

115.1 C. Villalba, V. García, A. Romero, F. Pino, H. Barros, L. Sajo-Bohus

115.2 Characterization of neutron and gamma components of radioisotopic sources using analog PSD

115.3 XI Latin American Symposium on Nuclear Physics and Applications, Medellín, Colombia. 30/11 to 04/12, 2015

114.1 Zambrano, E.; Leal, A.; Pedraza, E; Zavala, M; Herrera, R; Barros, H; Morón, C.

114.2 Caracterización fisicoquímica de suelos en contextos arqueológicos del Parque Nacional Médanos de Coro.

114.3 LXV. Convención Anual de ASOVAC, La Guaira, Venezuela. 30/11 al 03/12, 2015

113.1 E. García y H. Barros.

113.2 Metodología por TXRF para determinación elemental de suspensiones de sedimentos.


112.1 F. Anzola, S. Sánchez, H. Barros.

112.2 Diseño y construcción de un amplificador gamma espectrométrico para un sistema de monitoreo de campo


111.1 M. Barrera, J. Dávila, F. Pino, E. Salcedo, H. Barros, L.Sajo-Bohus, H. Vega-Carrillo & J. Benites-Rengifo.

111.2 Neutron Spectra and Dose produced by a 18 MV Linac simulated using 2 geometric models of the Gantry head.

111.3 XV International Symposium on Solid State Dosimetry, Septiembre 2015, León Guanajuato México (Poster).

110.1 R. Martín-Landrove, J. Dávila, H. Vega-Carrillo, M.T. Barrera, A.J. Kreiner, F. Pino, H. Barros, E.D. Greaves

and L. Sajo-Bohus

110.2 GDR ( ,n) Reaction in Radiotherapy Treatment-Fields with 18 MV Linear Accelerators

110.3 14th International Conference on Nuclear Reaction Mechanisms June 2015, Varenna, Italy.

109.1 H. Barros. (Invited)

109.2 Uso de técnicas nucleares en estudios ambientales e hidrogeológicos

109.3 Primera Jornada Nacional sobre Investigación y Tecnología de las Radiaciones Ionizantes: Salud, Ambiente,

Seguridad Alimentaria e Industria. RADION. 24 al 27 de marzo de 2015. Caracas, Venezuela.

108.1 H. Barros, F. Rodríguez, A. Arriojas y L. Sajo-Bohus.

108.2 Medida del espesor de películas nanométricas de oro por Espectrometría Alfa.



107.1 H. Barros, M. Bezada, D. Palacios y S. Hurtado.

107.2 Retroceso glaciar y datación reciente de sedimentos por 210

Pb y 137

Cs en la Antártica Marítima.



106.1 L. Stevanato, D. Cester, F. Pino, H. Barros, L. Sajo-Bohus, G. Nebbia y G. Viesti. (Poster)

106.2 Desarrollo de un sistema de monitoreo en tiempo real de la concentración de azufre en petróleo.



105.1 J. Salas, H. Barros, A. Arriojas, A. Sajo, M. Bezada y S. Hurtado.

105.2 Aplicación del método de fechado por plomo 210 a un embalse con problemas de colmatación de sedimentos:

PCT OIEA VEN/7/004.



104.1 A. Vidal, H. Barros, F. Pino, L. Sajo-Bohus y O. Aguillón.

104.2 Sistema de medición de flujo bifásico (gas - líquido) por medio de la técnica de aniquilación de positrones.



103.1 M. T. Barrera, H. Barros, F. Pino, J. Dávila, E. Salcedo y L. Sajo-Bohus.

103.2 Gradiente del campo neutrónico producido por aceleradores LINAC en tratamientos entre 9 y 20 MV.



102.1 H. Barros. (Poster)

102.2 Fortalecimiento de las capacidades de la Red Nacional de Geocronología para incrementar la oferta de servicios

a las empresas e instituciones nacionales y disminuir la dependencia tecnológica del exterior (FONACIT CFI-703)



101.1 H. Barros. (Poster)

101.2 Evaluación de tiempos de residencia y edad de aguas en acuíferos por medio de radioisótopos emisores beta

para mejorar el conocimiento y la gestión de los recursos hídricos (OIEA VEN/7/005)



100.1 G. Espinosa, A. Sajo-Castelli, J. Golzarri1, H. Barros y L. Sajo-Bohus.

100.2 Distorsión espectral en el estudio de radioisótopos alfa emisores, NORM, con detectores de BSS.

100.3 XI International Symposium on Radiation Physics. March 4-7, 2015, Ciudad Juárez, Chihuahua. México

99.1 L. Sajo-Bohus, E. D. Greaves, J. Dávila, H. Barros, F. Pino, M. T. Barrera and F. Farina.

99.2 Th and U fuel photofission study by NTD for AD-MSR subcritical assembly.


98.1 M. T. Barrera, H. Barros, J. Dávila, L. SajoBohus.

98.2 Thermal and Epithermal Neutron Fluence Rate Gradient Measurements by PADC Detectors in LINAC

radiotherapy treatments-field.


97.1 H. Barros.

97.2 Datación reciente por 210

Pb en Venezuela (Invited)

97.3I Congreso Venezolano de Geoquímica, ICT - UCV, 24 – 28 Noviembre, 2014

96.1 L. Sajo Bohus, F. Bochicchio, H. Barros, D. Palacios, A. Horvath y P. Santiago

96.2 Exposición y Riesgo a Niveles de Radón en Ambientes de Trabajo

96.3 VIII Congreso Nacional de Física, Morrocoy 15 Diciembre, 2014

95.1 H. Barros.

95.2 Datación reciente por 210

Pb en Venezuela (Invited)

95.3 VIII Congreso Nacional de Física, Morrocoy 15 Diciembre, 2014

94.1 L. Sajo-Bohus, H. Barros, E. D. Greaves, H. R. Vega-Carrillo

94.2 Graphite moderated 252

Cf source.

94.3 XIV International Simposium in Solid State Dosimetry, ISSSD 2014. 13-16 abril 2014, Cusco, Perú.

93.1 E. Cárdenas, J. Aquino, H. Barros y L. Sajo-Bous.

93.2 Risk reduction measurements in industrial radiography related to oil refining industry.

93.3 X International Symposium on Radiation Physics. April 2nd - 5th 2014, Tuxtla Gutierrez, Mexico.

92.1 A. Arriojas, H. Barros, J. Walter and L. Sajo-Bohus.

92.2 FPGA based digital signal processing for high resolution low energy gamma spectrometry.

92.3 X International Symposium on Radiation Physics. April 2nd - 5th 2014, Tuxtla Gutierrez, Mexico

91.1 L. Stevanato, D. Cester, F. Pino, H. Barros, L. Sajo-Bohus, A. Vidal, G. Nebbia, G. Viesti.

91.2 Neutron-gamma ray attenuation gauge for sulphur content and multiphase petroleum monitoring.

91.3 10th Latin American Symposium on Nuclear Physics and Applications. 1-6 Dec. 2013. Montevideo, Uruguay.

90.1 F. Pino, L. Sajo, H. Barros.

90.2 Simulación por Monte Carlo de un Sistema basado en la Transmisión de Neutrones y Gammas para Determinar

el Contenido de Humedad en Coque de Petróleo.

90.3 2do Congreso Venezolano de Ciencia, Tecnología e Innovación (LOCTI - PEII). 7-10 Noviembre 2013. Caracas.

89.1 H. Barros, M. Bezada, D. Palacios, A. Ojeda and S. Hurtado

89.2 Lagunas periglaciales someras como Fuentes de información sobre el cambio climático: Datación reciente en la

Isla 25 de mayo (King George Island) Antártida Marítima.


88.1 Barros, Haydn; Salas, Johnny; Bezada, Maximiliano; Arriojas, Argenis; Sajo, Andrés.

88.2 Estudio Geocronológico Reciente del Embalse de Matícora, Edo. Falcón, por Espectrometría Gamma.


87.1 A. Vidal, G. Viesti, F. Pino, H. Barros, L. Sajo-Bohus. (publicada en EPJ Web of Conferences)

87.2 Annihilation radiation gauge for relative density and two-phase fluid monitoring

87.3 International Nuclear Physics Conference. 2-7 June, 2013. Firenze Italy.

86.1 C. Díaz, J. Dávila, L. Sajo, L. Spencer, H. Barros, D. Palacios, H. Figueroa, M. Barrera, R. Castillo, V. García.

86.2 Estudio del Campo Neutrónico Inducido por Acelerador Lineal de 10-20 MeV en Sala de Radioterapia.

86.3 IX Congreso Regional de Seguridad Radiológica y Nuclear. IRPA. 14 - 19 de Abril de 2013. Río de Janeiro.

Brasil

85.1 E.D. Greaves H. Barros and L. Sajo,

85.2 Small Sized Sub-critical Thorium Liquid-fuel Generator for the Venezuelan Nuclear Program.

85.3 Thorium Energy Conference (ThEC-12). Oct. 29 – Nov. 01, 2012. Shanghai, China.

84.1 L. Sajo, E.D. Greaves y H. Barros.

84.2 El Reactor Nuclear de Torio de Sal Fundida

84.3 1er. Congreso Venezolano de Ciencia Tecnología e Innovación LOCTI. Sep. 23-26, 2012. Caracas, Venezuela.

83.1 J. Vásquez, L. Sajo-Bohus, D. Palacios y H. Barros.

83.2 Sistema Remoto de Monitoreo de Radón para la Seguridad Radiológica Poblacional

83.3 1er. Congreso Venezolano de Ciencia Tecnología e Innovación LOCTI. Sep.23- 26, 2012. Caracas, Venezuela.

82.1 H. Barros, por la Colaboración LAGO.

82.2 La Colaboración LAGO: buscando GRBs de alta energía en Latinoamérica

82.3 8vo. Workshop del Proyeco LAGO. Julio 04 – 06, 2012. Riobamba, Ecuador.

81.1 E.D. Greaves, H. Barros, K. Furukawa, L. Sajo-Bohus.

81.2 El Reactor de Sal Fundida de Torio

81.3 IV Seminario Internacional de Energías Alternativas y Ambiente. Julio 04 – 06, 2012. Riobamba, Ecuador.

80.1 Sajo-Bohus, H. Barros, A. M. Sajo-Castelli, M. Asuaje, S. Croquer, J. Clarembaux and E.D. Greaves.

80.2 An Alternative Source for Venezuelan Energy Production: The Thorium Molten Salt Reactor.

80.3 13th International Conference on Nuclear Reaction Mechanisms. June 11–15, 2012. Varenna, Italy.

79.1 Palacios, Daniel; Barros, Haydn; Salas, Johnny; Fusella, Emidio; Avila, Yininber; Teixeira, Diana.

79.2 Técnicas radiométricas superficiales en la exploración petrolera.

79.3 II Simposio Venezolano de Geoquímica. Mayo 2012. Caracas, Venezuela.

78.1 Palacios, Daniel; Salas, Johnny; Barros, Haydn; Fusella, Emidio; Avila, Yinimber; Teixeira, Diana.

78.2 Radiactividad gamma y radón sobre un campo petrolero con aguas freáticas contaminadas por gas natural.

78.3 II Simposio Venezolano de Geoquímica. Mayo 2012. Caracas, Venezuela.

77.1 Eduardo D. Greaves, Laszlo Sajo-Bohus & Haydn Barros.

77.2 An Alternative Source For Nuclear Energy Production: The Thorium Molten Salt Reactor.

77.3 III. International Conference on Nuclear & Renewable Energy Resources. (NuRER 2012). May 19-23, 2012.

Istambul, Turkey

76.1 L. Sajo Bohus, P. Santiago, F. Bochicchio, D. Palacios, E. D. Greaves and H. Barros.

76.2 Radon issue: Low Level Exposure in dwelling and workplaces

76.3 Simposio Internacional sobre Protección Radiológica. Ecuentro Iberoamericáno de Protección Radiológica.

Abril 02 – 04, 2012. Cuzco, Perú.

75.1 J. Salas; Palacios, Daniel; Barros, Haydn; D. Teixeira; E. Fusella; Sajo-Bohus., L.; M. Bolívar.

75.2 Gamma Spectrometry and Radon & -counting over a natural-gas contaminated aquifer

75.3 XVII-Escuela de Verao J. Swieca, Nuclear Experimental Physics. Febrero 2012. Sao Paulo, Brasil.

74.1 Eduardo D. Greaves, Kazuo Furukawa, Haydn Barros & Laszlo Sajo-Bohus.

74.2 The Case for the Thorium Molten Salt Reactor

74.3 IAEA Meeting. “World Thorium Resources”. 17 - 21 October 2011. Thiruvantaphuran, Kerala, India.

73.1 D. Palacios; E. Fusella; Y. Avila; J. Salas; D. Teixeira; G. Fernández; A. Salas; Sajo, L.; Greaves, E.; Barros H;

M. Bolívar; J. Regalado.

73.2 Radon Measurements over a natural-gas contaminated aquifer.

73.3 25th International Conference on Nuclear Tracks in Solids. 2011. Puebla, Mexico

72.1 D. Teixeira, D. Palacios, E. Fusella, Y. Avila, J. Salas, A. Rangel, G. Fernández, L. Sajo, E. Greaves,

H. Barros, M. Bolívar.

72.2 Radon Measurements using SSNTD in Venezuelan oil and gas deposits (Third place for best poster)

72.3 25th International Conference on Nuclear Tracks in Solids. 2011. Puebla, Mexico

71.1 Barros H, for the LAGO Collaboration.

71.2 The LAGO Collaboration: Searching the high energy GRBs emission in Latin America. (Plenary)

71.3 IX Simposio Latinoamericano de Física Nuclear y Aplicaciones. Junio 18 - 22, 2011. Quito, Ecuador.

70.1 Eduardo D. Greaves, Kazuo Furukawa, Haydn Barros and Laszlo Sajo-Bohus1.

70.2 The thorium molten salt reactor. (Plenary)


69.1 F. Pino, H. Barros, L. Sajo-Bohus, D. Palacios and E.D. Greaves.

69.2 Interpretation of a γ-Compton densimeter response by analyzing of multi-scattered photons


68.1 Ariel Tarifeño-Saldivia, Cristian Pavez, Gustavo Venegas, Leopoldo Soto and Haydn Barros.

68.2 Strengthening and motivating the teaching of physics and nuclear science in Chile and Venezuela (Plenary).


67.1 A. Vidal, C. Osorio, F. Pino, A. Horvath, L. Sajo-Bohus, G. Viesti, H. Barros, M. Asuaje

67.2 Multiphase monitoring by annihilation radiation coincidence mode (Poster)


66.1 LAGO Collaboration (Including H. Barros, M. Rosales, J.C. Tello, et al.)

66.2 El Observatorio LAGO (Large Aperture GRB Observatory)

66.3 XIII Latin American Regional International-Astronomical-Union Meeting (LARIM 2010). 8–12 November, 2010

Morelia, Michoacán, México

65.1 Peralta Tapia A., Barros H., Izarra C., Barros A., Decarli F., Lemmo A., Arriojas A., Palacios D. y Sajo L.

65.2 Caracterización de Acuíferos Costeros de Pto. Cumarebo, Edo. Falcón, Venezuela.

65.3 X Congreso ALHSUD: Aguas Subterráneas y Desarrollo Sustentable de los Pueblos Latinoamericanos. Octubre

18 - 21, 2010. Caracas, Venezuela.

64.1 Barros H., Peralta A., Arriojas A., Alvarado R., Barros A., Palacios D. F. Hernández y Sajo L.

64.2 Estudio de la calidad de los Manantiales del Cerro Mampostal, Edo. Falcón, Venezuela.



63.1 De la Peña E., Barros H., Izarra C. y Osorio C.

63.2 Prueba de Tomografía Eléctrica como herramienta de Propecciòn de Acuíferos en Pto. Cumarebo, Edo. Falcón.



62.1 García I., Barros H. and López J. for the LAGO Collaboration.

62.2. Water Cherenkov Detector installation by the Vertical Muon Equivalent technique.

62.3 4th School on Cosmic Rays and Astrophysics. 25/08 - 04/09, 2010. UFABC, Santo André, São Paulo, Brazil.

61.1 H. Barros.

61.2. Determinación de Edades por Métodos Radiométricos y ejemplos de aplicación.

61.3 2do

Taller Internacional de Técnicas Nucleares en Ambiente, Salud e Industria. 24 al 26 de Mayo de 2010.

Universidad del Zulia, Maracaibo, Venezuela.

60.1 D. Palacios, L. Sajo-Bohus, H. Barros, E. Greaves, E. Fusella, J. Sojo and Y. Avila.

60.2 Analysis and correction of track overlapping on nuclear track detectors (SSNTD).

60.3 VI International Symposium on Radiation Physics. March 7 - 10, 2010. Zacatecas, México.

59.1 A. Arriojas, H. Barros, D. Palacios, S. Hurtado, M. Villa, K. Pérez, J. Alfonso and L. Sajo-Bohus.

59.2 Recent sediment 210

Pb (by 210

Po) geochronology at Cariaco’s trough fault (Venezuela)

by Alpha Spectrometry..

59.3 The 8th Latin American Symposium on Nuclear Physics and Applications. 15 al 19 de Diciembre de 2009.

Santiago de Chile.

58.1 F. Pino, H. Barros, M. Bernal, L. Sajo-Bohus, D. Palacios, E. D. Greaves and G. Viesti.

58.2 Quality Control of Pavements and Tarmacs Using (137

Cs) γ Compton Scattering

58.3 The 8th Latin American Symposium on Nuclear Physics and Applications. 15 al 19 de Diciembre de 2009.

Santiago de Chile.

57.1 F. Pino, H. Barros, M. Bernal, L. Sajo-Bohus, D. Palacios y E. D. Greaves

57.2 Densímetro por Reflexión Gamma para el Control de Calidad de Pavimentos

57.3 VII Congreso de la Sociedad Venezolana de Física. Diciembre 07-11, 2009. UCV, Caracas, Venezuela

56.1 D. Palacios, J. Ochoa; J. Alfonso; L. Sajo-Bohus.; H. Barros, N. Chacón; M. Bezada; A. Ojeda; S. Silva.

56.2 Mediciones de espectrometría gamma de alta resolución y radón (in situ) en superficie no cubierta por hielo de la

Isla Rey Jorge.

56.3 V Simposio Latinoamericano sobre Investigaciones sobre Investigaciones Antárticas. Septiembre 2009. La

Libertad, Ecuador

55.1 P. Nemeth, L. Colmenter, L. Sajo-Bohus, H. Barros and E.D. Greaves.

55.2 Ascorbic acid stabilizer effect to reduce radiolytic FDG decomposition.

55.3 Hungarian Society of Nuclear Medicine Congress.

55.4 2009 Debrecen, Hungría. Publicado en Abstract en Nuclear Medicine Review, Vol. 12 (2009) No. 1, p.37.

54.1 H. Barros, L. M. Marco, L. Bennun and E. D. Greaves.

54.2 Determination of arsenic in water samples by TXRF using preconcentration with alumina.

54.3 The 13th Conference on Total Reflection X-Ray Fluorescence Analysis and Related Methods. 15-19 de Junio de

2009. Goteborg, Suecia.

53.1 Daniel Palacios, H. Barros, Guillermo Fernández, Juan Sojo, Emidio Fusella, Yininber Avila,

Sajo-Bohus. L, E. Greaves. (Invited).

53.2 Variations of radon concentration in soil gases from a Venezuelan oil field.

53.3 V International Symposium on Radiation Physics. Marzo 2009. Ciudad de México.

52.1 Daniel Palacios, Francisco Palacios, Sajo-Bohus, L. H. Barros. E. Greaves.

52.2 Alternative method to determine the bulk etch rate of LR-115


51.1 Daniel Palacios, Rubén Ingles, E. Greaves, Sajo-Bohus, L. H. Barros.

51.2 Alternative method for thermal neutron flux measurements based on common boric acid as converter and LR115

detectors.


50.1 Alexandra de Castro, H. Barros, Murrugarra Q. Cecilia V.

50.2 Water Cherenkov Detertors response to a Gamma Ray Burst in the Large Aperture GRB Observatory

50.3 31st International Cosmic Ray Conference. Julio 2009. Lodz, Polonia

49.1 Xavier Bertou, Alexandra de Castro, H. Barros, Murrugarra Q. Cecilia V.

49.2 The Large Aperture GRB Observatory

49.3 31st International Cosmic Ray Conference. Julio 2009. Lodz, Polonia

48.1 Humberto Salazar, H. Barros, Alexandra de Castro, Murrugarra Q. Cecilia V.

48.2 Operating Water Cherenkov Detectors in high altitude sites for the Large Aperture GRB Observatory.

48.3 31st International Cosmic Ray Conference. Julio, 2009. Lodz, Polonia

47.1 R. El Mrabet, N. Dehbi, H. Barros, T. El Khoukhi & J. M. Abril

47.2 Levels of the radioactivity and concentration of heavy metals in the Bay of Tangier.

47.3 In-situ Nuclear Metrology as a tool for Radioecology. 13-16 October, 2008. Rabat/Morocco

46.1 D. Palacios, H. Barros, J. Sojo, E. Fusella, Y. Avila.

46.2 Radon and high resolution γ-spectrometry measurements in a Venezuelan oil field

46.3 In-situ Nuclear Metrology as a tool for Radioecology. 13-16 October, 2008. Rabat/Morocco

45.1 N. Dehbi, R. El Mrabet, T. El Khoukhi, H. Barros, J. M. Abril, A. Lebkiri, N. Amechmachi & N.Fadil.

45.2 In-Situ Monitoring of Radioactivity using NaI probe detector and Chemical analysis along Sebou River.

45.3 In-situ Nuclear Metrology as a tool for Radioecology. 13-16 October, 2008. Rabat, Morocco

44.1 R. Alvarado; F. Anzola; L. Sajo-Bohus.; E, Greaves; J. Ruiz; J. Liendo, y H. Barros.

44.2 Progress Report on the 0.2 MeV Linear Accelerator at the Universidad Simon Bolívar, Venezuela.

44.3 XV Escuela de Verao J. Swieca Nuclear Physics. Febrero 2008. Sao Paulo, Brasil.

43.1 F. Farina, F. Pino, H. Barros, L. Sajo-Bohus, P. Vermaecker, L. Sneyers, M. M. Antczak, A. Antczak, E. D.

Greaves and D. Palacios.

43.2 Instrumental Neutron Activation Analysis (k0Standardization) of Industrial and Archaeological Venezuelan

Samples.

43.3 The 7th Latin American Symposium on Nuclear Physics and Applications. June 11-16, 2007. Cusco, Perú.

42.1 Sajo Bohus L. Greaves E.D. Barros H., Gonzalez W. and Rangel A.

42.2 LabView Based nuclear physics laboratory experiments as a remote teaching and training tool for Latin

American Educational Centers.


41.1 Rangel A., Viloria T., Sajo Bohus L., Barros H. , Greaves E.D. and Palacios D.

41.2 Gamma Emitting Radioisotope concentration in Lake sediments of Maracaibo, Venezuela.


40.1 Sajo-Bohus L., Suarez C., Merlo G., Barros H., Perez I., Greaves E.D. and Palacios D.

40.2 Sediments Core Radioisotope Analysis in the Orinoco River, Venezuela.


39.1 E. D. Greaves, M Angeli-Greaves, H. Barros, J. Bermudez and L. Sajo-Bohus.

39.2 X-ray spectroscopy for quality control of chemotherapy drugs.


38.1 J. Bastardo, C. Osorio. H. Barros, E. D. Greaves, G. Villegas, L. Sajo-Bohus and J. Ruiz.

38.2 Modernization of the Physics Laboratory by using HP Mobile Technology.

38.3 Annual Worldwide HP Technology for Teaching Higher Education Conference. Feb. 2007. California, EEUU.

37.1 Pino F., Farina F., Barros, H., Sajó-Bohus, L., Vermaecker, P, Palacios, D. and Antczak Ma. M.

37.2 Análisis por activación neutrónica de muestras arqueológicas e industriales de origen venezolano.

37.3 LVI Convención Anual AsoVAC - CAPITULO ORIENTAL 20-24 de noviembre de 2006. Cumaná, Venezuela

36.1 Nemeth, P.; Galuska, L.; Sajo-Bohus, L.; Barros, H. y Greaves E.D.

36.2 Síntesis y Caracterización de TTHA y su Marcaje con Technecio-99 metaestable para Gammagrafía renal en

medicina nuclear.

36.3 LVI Convención Anual AsoVAC - CAPITULO ORIENTAL 20-24 de noviembre de 2006. Cumaná, Venezuela

35.1 S. Ocando, S; J. Tello y H. Barros

35.2 Usos de la Tecnología multimedia comercial: el experimento de la gota de Millikan

35.3 LVI Convención Anual AsoVAC - CAPITULO ORIENTAL. 20-24 de noviembre de 2006. Cumaná, Venezuela

34.1 L. Sajo-Bohus, I. Balogh, H. Barros, E. D. Greaves, P. Nemeth and D. Palacios

34.2 Nuclear track technique for 10B (n, a) distribution in vitreous metals

34.3 23rd

International Conference on Nuclear Tracks in Solids. 11-15 September 2006. Beijing, China

33.1 D. Palacios, F. Palacios, L. Sajo-Bohus, E. D. Greaves and H. Barros

33.2 LR-115 detector response to 222

Rn, 220

Rn and their progenies, exposed to hemispherical surfaces in free air, and

design of a system to calculate their concentrations

33.3 23rd


32.1 Sajo-Bohus L., W. A. Gonzalez, C. Osorio J. K. Pálfalvi, P. Nemeth, J. Walter, D. Palacios and H. Barros

32.2 Nuclear Track Analyser with IMAQ™ Vision Builder 6 from National Instruments

32.3 23rd


31.1 H. Barros, L. Sajó-Bohus, Zs. Kasztovszky , H. Postma, P. P. Vermaecker, D. Schillebeeckx,

D. Palacios, E. D. Greaves and Ma. M. Mackowiak de Antczak

31.2 Neutron method for Amerindian Archaeological Provenance Study and Etruscan Art Authentication

31.3 11th

International Conference on Nuclear Reaction Mechanisms. June 12 - 16, 2006. Varenna, Italy

30.1 D. Palacios, J. Alfonso, H. Barros, K. Pérez, M. Losada and M. Trujillo

30.2 A semi-empirical approach to calculate gamma activities in environmental samples

30.3 NURT-2006. Fifth Internacional Symposium on Nuclear & Related Techniques. Workshop on Trace & Micro

Análisis Techniques. April 03-07, 2006. Havana, Cuba

29.1 H. Barros, J.M. Abril, L. Sajo-Bohus, E. Graves, D. Palacios

29.2 Algorítmo matemático eficiente para la resolución de la ecuación de difusión-advección acoplada a modelos

cinéticos de transferencia de seudo-primer orden

29.3 V Congreso de la Sociedad Venezolana de Física. 28/11 al 05/12 de 2005. Punto Fijo, Edo. Falcón, Venezuela

28.1 M.C. Jiménez-Ramos, H. Barros, R. García-Tenorio, I. Vioque, G. Manjón and M. García-León

28.2 Actinide composition of ‘‘hot particles’’ released during the Palomares accident

28.3 Workshop: Advanced Techniques and Radionuclide Speciation Within Radioecology.

30th

Septembere 1st October 2005. IAEA - MEL. Monaco

27.1 G. Manjon, A. Absi, J. Diaz, R. Garcia-Tenorio, M. Garcia-León, S. Hurtado, M.C. Jiménez, F. Santos, M. Villa,

J.M. Abril and H Barros

27.2 Experience on Spanish Environmental Radiological Surveillance Network

27.3 Journée Nationale Etat de la Recherche Dans Le Domaine de la Radioprotection Au Maroc. 22 Avril 2005. Faculté

des Sciences-Kénitra, Marruecos

26.1 R. El-Mrabet, H. Barros, J.M. Abril, A. Delgado, G. Manjón & R. Periañez

26.2 Levels and Behaviour of Radionuclides in Agriculture Soils Treated with Phosphogypsum

26.3 COVAPHOS 1. The First Conference on the Valorisation of Phosphates and Phosphorous Compounds. October

11-13, 2004. Marrakech, Morocco

25.1 H. Barros, L. Sajo-Bohus, J. M. Abril and E. D. Greaves

25.2 Radioactivity Concentration and Heavy Metal Content in Fuel Oil and Oil-Ashes in Venezuela

25.3 ECORAD 2004. The Scientific Basis for Environment Protection Against Radioactivity. 6-10 September 2004.

Aix en Provence, France

24.1 R. El-Mrabet, H. Barros, J. M. Abril and G. Manjón

24.2 239

Pu Sorption by Suspended Matter from Hueznar Reservoir (Southern Spain): Experimental and Modelling Study

24.3 ECORAD 2004. The Scientific Basis for Environment Protection Against Radioactivity. 6-10 September 2004.

Aix en Provence, France

23.1 V. A. Laudicina, C. Dazzi, A. Delgado and H. Barros

23.2 Source of Calcium for Pedogenic CaCO3 Formation in Benchmark Soils of a Mediterranean Semiarid

Environment

23.3 EUROSOIL 2004 September 04 to 12. Freiburg, Germany

22.1 H. Barros, M. D. Hurtado, R. El-Mrabet, J. M. Abril, L. Andreu, A. Delgado

22.2 ICP-MS Applications for Environmental Assessment of Low Level Uranium in Agro-Soils Affected by

Phosphogypsum Amendments

22.3 Les Premières Journées Nationales Des Mesures Des Faibles Radioactivités Et Leurs Applications Dans Les

Sciences de la Terre, de la Vie Et de L’Environnement. Junio 2004. CNESTEN, Kenitra, Maroc.

21.1 H. Barros, J. M. Abril, R. El-Mrabet and A. Laissaoui. (Póster)

21.2 Experimental study of 133

Ba uptake by sediments cores from two different environments



20.1 R. El-Mrabet, H. Barros, J. M. Abril, R. García-Tenorio, G. Manjón, R. Periañez, A. Delgado.

20.2 Étude de l’impact radiologique des phosphogypses utilices pour l’enrichissement des sols agricoles.



19.1 J.M. Abril, M. García-León, H. Barros y R. El-Mrabet.

19.2 Estudio de la transferencia de radionúclidos (133

Ba y 137

Cs) de la columna de agua al sedimento: Aspectos cinéticos

y distribución en la profundidad.

19.3 V Jornadas de Investigación y Desarrollo Tecnológico en Gestión de Residuos Radioactivos. ENRESA. (Sesión II.

Protección Radiológica). 1-4 de diciembre de 2003. Tarragona, España.

18.1 J.M. Abril, H. Barros, R. El-Mrabet, R. García-Tenorio y G. Manjón

18.2 Estudio de la adsorción de radionúclidos (99

Tc, 133

Ba, 137

Cs, 239

Pu y 241

Am) por partículas en suspensión en

sistemas acuáticos naturales.

18.3 V Jornadas de Investigación y Desarrollo Tecnológico en Gestión de Residuos Radioactivos. ENRESA. (Sesión II.

Protección Radiológica). 1-4 de diciembre de 2003. Tarragona, España.

17.1 H. Barros & J. M. Abril.

17.2 Experimental and Modelling Study on the Uptake Kinetics of Radionuclides by SPM. Discussion on Box-Models

Applications.

17.3 1st International Meeting on Applied Physics (APHYS). October 13-18th

2003. Badajoz, España.

16.1 H. Barros, J. M. Abril, R. El-Mrabet and A. Laissaoui.

16.2 Kinetically Controlled Radionuclide Sorption by Sediments Cores from two Different Environments. Experimental

Studies using 133

Ba as a tracer.



15.1 H. Barros, J. M. Abril, V. A. Laudicina and A. Delgado.

15.2 Application of ICP-MS for Measuring Soil Metal Cations from Sequential Extractions.



14.1 V. A. Laudicina, A. Delgado, H. Barros, C. Dazzi e R. Scalenghe.

14.2 Cationi Metallici Incorporati nei Carbonati Primari e Secondari.

14.3 Convenio Annuale. Societá Italiana della Scienza del Suolo. 9-12 Giugno, 2003. Siena, Italia.

13.1 J. M. Abril, R. El-Mrabet, H. Barros and G. Manjón.

13.2 Study of the uptake kinetics of radionuclides in aqueous suspensions and its application to kinetic reactive transport

models.

13.3 International Conference on Radioactivity in the Environment. 1-5 September 2002. Monaco, France.

12.1 J.M. Abril, R. El-Mrabet and H. Barros.

12.2 The interest of the simultaneous recording of physical and chemical variables in the remote radiological

surveillance of aquatic systems as seems from the environmental modelling.

12.3 INSINUME. International Symposium-In situ nuclear metrology as a tool for radioecology. 10-12 Juin 2002.

Fleurus (Belgique)

11.1 R. El-Mrabet, J. M. Abril, G. Manjón, R. G. Tenorio et H. Barros.

11.2 Modélisation du comportement des contaminants radioactifs dans des différents systèmes lacustres européens.

11.3 4ème Rencontré Hydrodynamique Marine 02. Faculte des Sciences BEN M’SIK. 19-20 Avril 2002. Casablanca,

Marruecos.

10.1 H. Barros, J. M. Abril y R. El-Mrabet.

10.2 Estudios experimentales y de modelización de las reacciones del 133

Ba en suspensiones acuosas y en medios

porosos saturados.

10.3 XXVIII Reunión Bienal de la Sociedad Española de Física. 24-27 de Septiembre de 2001. Seville, España.

9.1 D. Palacios, L. Sajo-Bohus, H. Barros, G. Barnafoldi, S. Hernath y D. Castro.

9.2 Radioactividad natural en la cuenca del Río Orinoco.

9.3 Convención Anual ASOVAC. Noviembre 1999. Maracay, Venezuela.

8.1 D. Palacios, L. Sajo-Bohus, H. Barros, G. Barnafoldi, S. Hernath, J. Liendo and E. Greaves

8.2 40K,

232Th,

238U and

222Rn Concentration in the Orinoco River basin, Venezuela.

8.3 IRPA Regional Conference On Radiation Protection in Central Europe. August 22-27, 1999. Budapest, Hungary.

7.1 L. Sajo-Bohus, D. Palacios, E. Greaves, J. Liendo, H. Barros, G. Barnafoldi and S. Hernath.

7.2 Venezuelan Nearshore Marine and the Orinoco River Environmental Gamma Radiation and Radon Measurements.

7.3 IRPA Regional Conference On Radiation Protection in Central Europe. August 22-27, 1999. Budapest, Hungary.

6.1 H. Barros, L. Sajo-Bohus y E. Greaves.

6.2 Nuevo Método de Calibración para medir Concentración de Isótopos Gamma Emisores en Crudo y Cenizas.

6.3 First Latin American Symposium on Nuclear Tracks and its Applications in Physics, Health, Environmental

Studies and Industry. 5-9 April, 1999. Caracas, Venezuela.

5.1 D. Palacios, H. Barros, L. Sajo-Bohus y E. Greaves.

5.2 Natural Radioactivity in the Orinoco River Basin, Venezuela.

5.3 First Latin American Symposium on Nuclear Tracks and its Applications in Physics, Health, Environmental

Studies and Industry. 5-9 April, 1999. Caracas, Venezuela.

4.1 H. Barros, L. Sajo-Bohus, M. Valdés, E. Greaves y C. Cox.

4.2 Composición radioisotópica de las cenizas derivadas del petróleo pesado.

4.3 XLVI Convención Anual AsoVAC. 18-22 Noviembre de 1996. Barquisimeto, Venezuela.

Publicado en Acta Científica Venezolana. 47, Sup. 1, 308 (1996)

3.1 H. Barros, L. Sajo-Bohus and E. Greaves.

3.2 Environmental Radioactivity in Auyan-Tepuy, Estado Bolívar, Venezuela.

3.3 XI International Conference for Physics Students. 18-24 August 1996. Szeged, Hungary.

2.1 H. Barros, L. Sajo-Bohus, J. Palfalvi, E. Greaves and N. Gómez.

2.2 TLD and LR-115 Dosimetry in the Caracas Underground Transport System.

2.3 XI International Conference for Physics Students. August 1996. Szeged, Hungary.

1.1 H. Barros, L. Sajo-Bohus, E. Greaves y N. Gómez.

1.2 Dosimetría por TLD y LR-115 en el sistema de Transporte Subterráneo de Caracas.

1.3 I Jornadas Venezolanas sobre Técnicas Analíticas no Convencionales para un Desarrollo Sustentable.

14/15 de Marzo de 1996. Camuri Grande, Venezuela. _______________________________________________________________________________________________________________________________________________________

G) Publication of Articles in Journals Indexed in the Science Scitation Index

31. Journal of Radioanalytical and Nuclear Chemistry

31.1 D. Palacios, E. Fusella, Y. Avila, J. Salas, D. Teixeira, G. Fernández, L. Sajo-Bohus, E. Greaves, H. Barros,

M. Bolívar and J. Regalado.

31.2 Soil gas radon and thoron measurements in some Venezuelan oilfields

31.3 January 2016, Vol.307. Issue 1, pp 801–810

30. Applied Radiation and Isotopes

30.1 L. Sajo-Bohus, H. Barros, E D. Greaves, H. R. Vega-Carrillo.

30.2 Graphite moderated 252

Cf source.

30.3 June 2015. 100: 108-112.

29. Physica A: Statistical Mechanics and its Applications

29.1 L. Reyes, O. Perez , C. Colonnello, A. Goncalves, H. Barros, I. Sanchez, G. Gutierrez.

29.2 Characterization of invariant patterns in a slowly rotated granular tumbler

29.3 February 2015. 419: 153–157

28. IEEE Transactions on Nuclear Science.

28.1 F. Pino, H. Barros and L. Sajo-Bohus

28.2 Determination of Multiple Compton Scattering Fractions in Gamma Densitometry by Monte Carlo Simulation.

28.3 Vol. 61(2). 2014. http://dx.doi.org/10.1109/TNS.2014.2300504.

27. Journal of Radioanal and Nuclear Chemistry

27.1 F. Pino, A. M. Sajo-Castelli, H. Barros, P. Vermaercke, L. Sneyers, L. Sajo Bohus, Ma. M. Mackowiak de

Antczak, A. Antczak.

27.2 k0-INAA of Venezuelan ceramics and complete statistical analysis to establish their provenance

27.3 July 2013. 298:1257–1272

26. Radiation Measurements

26.1 D. Palacios, E. Fusella, Y. Avila, J. Salas, D. Teixeira, G. Fernández, A. Salas, L. Sajo-Bohus, E.D. Greaves,

H. Barros, M. Bolívar, J. Regalado

26.2 Radon measurements over a natural-gas contaminated aquifer

26.3 2013. 50:116-120

25. Applied Physics B, Lasers and Optics

25.1 R. Castell, E. Greaves, L. Abdala and H. Barros

25.2 TXRF and ICP-OES analysis of liquid-phase laser-ablated (LP-LA) nanoparticles of cryolite-alumina solutions.

25.3 Sept. 2012. 109: 47–53

24. Revista Mexicana de Física A.

24.1 M. Aglietta, D. Allard, I. Allekotte, C. Alvarez, C. Araujo, E. Arturo, H. Asorey, M. Barrera,

H. Barros, et al. (LAGO Collaboration)

24.2 The Large Aperture Gamma Ray Observatory as an Observational Alternative at High Altitude

24.3 January 2011. 40: 135–140.

23. Nuclear Instruments and Methods A.

23.1 L. Sajo-Bohus, D. Rosso, A. M. Sajo Castelli, D. R. Napoli, E. Fioretto, R. Menegazzo, H. Barros,

C. A. Ur, D. Palacios and J. Liendo

23.2 HPGe detectors long time behaviour in high-resolution γ spectrometry

23.3 Marzo 2011. 648: 132–138.

22. Revista Mexicana de Física.

22.1 D. Palacios, L. Sajo-Bohus, H. Barros, E. Fusella, Y. Avila

22.2 Analysis and correction of track overlapping on nuclear track detectors (SSNTD).

22.3 Febrero 2011. S57 (1) 34–39.


21.1 R. Alvarado, D. Palacios, L. Sajo-Bohus, E. D. Greaves, H. Barros and P. Nemeth

21.2 Neutron flux characterization using LR-115 NTD and binary glass metal as converter.

21.3 2010. S 56 (1) 5-8.


20.1 D. Palacios, R. Inglés, E. D. Greaves, L. Sajo-Bohus and H. Barros.

20.2 Alternative method to determine the bulk etch rate of LR 115 detectors.

20.3 2010. S 56 (1) 22-25.


19.1 D. Palacios, R. Inglés, E. D. Greaves, L. Sajo-Bohus and H. Barros.

19.2 Alternative method for thermal neutron flux measurements based on common boric acid as converter and LR 115

detectors.

19.3 2010. S 56 (1) 30-34.


18.1 L. Sajo-Bohus, E. D. Greaves, D. Palacios, J. Palfalvi, H. Barros and P. Nemeth.

18.2 Wall effect study by PADC detector for an improved proportional counter neutron spectrometer.

18.3 2010. S 56 (1) 26-29.

17. Spectrochimica Acta Part B

17.1 H. Barros, L.M. Marcó, L. Bennun, E. D. Greaves.

17.2 Determination of arsenic in water samples by Total Reflection X-Ray Fluorescence using preconcentration with

alumina

17.3 2010. 65: 489–492.

16. Nuclear Instruments and Methods in Physics Research B

16.1 L. Bennun; Greaves, E; Barros, H; J. Díaz Valdés.

16.2 A Method for Thickness Determination of Thin Films of Amalgable Metals by Total Reflection

X-Ray Fluorescence

16.3 2009. 267 (1) 2532 – 2537.

15. Radiation Measurements.

15.1 L. Sajó-Bohus, A. Simon, T. Csákó, P. Nemeth, D. Palacios, G. Espinosa, E.D. Greaves, T. Szörényi and

H. Barros.

15.2 10

Boron distribution measurement in laser ablated B4C thin films using (n,α) reaction and LR-115 passive

detector

15.3 2009. 44 (9-10) 795-797.

14. Spectrochimica Acta Part B

14.1 C. Urdaneta, L-M. Marcó Parra, S. Matute, M. A. Garaboto, H. Barros, C. Vázquez.

14.2 Evaluation of vermicompost as bioadsorbent substrate of Pb, Ni, V and Cr for waste waters remediation using

Total Reflection X-ray Fluorescence.

14.3 2008. 63: 1455–1460.

13. Nuclear Instruments and Methods in Physics Research A.

13.1 Allard, D.; Allekotte, I.; Alvarez, C.; Asorey, H.; Barros, H; Bertou, X. et al (LAGO Collaboration)

13.2 Use of water-Cherenkov detectors to detect Gamma Ray Bursts at the Large Aperture GRB Observatory (LAGO)

13.3 2008. 595 (1) 70 - 72.


12.1 D. Palacios, F. Palacios, L. Sajó-Bohus, H. Barros, E.D. Greaves.

12.2 LR-115 detector response to 222

Rn, 220

Rn and their progenies, exposed to hemispherical surfaces in free air,

and design of a system to calculate their concentrations.

12.3 2008. 43 (1) 435 - 439.


11.1 L. Sajo-Bohus, D. Palacios, H. Barros, E. D. Greaves, P. Nemeth, J. Liendo and J. Bermudez.

11.2 (n,α) Reaction study with LR-115 for binary glass metal boron distribution

11.3 2008. 43 (1) 656 – 658.

10. Journal of Environmental Radioactivity

10.1 H. Barros and J. M. Abril.

10.2 Kinetic box models for the uptake of radionuclides and heavy metals by suspended particulate matter: Equivalence

between models and its implications.

10.3 2008. 99 (1) 146-158.


9.1 D. Palácios, J. Alfonso, H. Barros, J. LaBreque, K. Pérez and M. Lossada.

9.2 A semi-empirical approach to determine gamma activities (Bq kg-1

) in environmental samples.

9.3 2008. 43 (1) 77-84

8. Environmental Pollution

8.1 M.C. Jiménez-Ramos, H. Barros, R. García-Tenorio, M. García-León, I. Vioque and G. Manjón.

8.2 On the presence of enriched amounts of 235

U in hot particles from the terrestrial area affected by the Palomares

accident (Spain).

8.3 2007. 145: 391-394


7.1 L. Monte, R. Periañez, S. Kivva, G. Laptev, G. Angeli, H. Barros and M. Zheleznyak.

7.2 Assessment of state-of-the-art models for predicting the remobilisation of radionuclides following the flooding of

heavily contaminated areas: the case of Pripyat River floodplain.

7.3 2006. 88: 267-288.

6. Radioprotection

6.1 H. Barros, L. Sajo-Bohus, J. M. Abril and E. D. Greaves.

6.2 Radioactivity Concentration and Heavy Metal Content in Fuel Oil and Oil-Ashes in Venezuela.

6.3 2005. S1. 40: 183-189.

5 Radioprotection

5.1 R. El-Mrabet, H. Barros, J. M. Abril and G. Manjón.

5.2 239

Pu Sorption by Suspended Matter from Hueznar Reservoir (Southern Spain): Experimental and Modelling Study.

5.3 2005. S1. 40: 343-349.

4 Ecological Modelling

4.1 H. Barros & J.M. Abril.

4.2 Constraints in the Construction (Selection) of Kinetic Box Models for the Uptake of Radionuclides and Heavy

Metals by Suspended Particulate Matter.

4.3 2005. 185 : 371-385.

3. Science of the Total Environment

3.1 H. Barros, A. Laissaoui & J.M. Abril.

3.2 Trends of radionuclide sorption by estuarine sediments. Experimental studies using 133

Ba as a tracer

3.3 2004. 319: 253–267.

2. Water Research


2.2 Experimental and modelling study on the uptake kinetics of 133

Ba by suspended estuarine sediments from southern

Spain.

2.3 2004. 38: 749–755.


1.1 J.M. Abril, R. El-Mrabet, H. Barros.

1.2 The importance of recording physical and chemical variables simultaneously with remote radiological surveillance

of aquatic systems: a perspective for environmental modelling.

1.3 2004. 72 : 145-152.

_______________________________________________________________________________________________

H) Monographies and Book Chapters

5. EMRAS Team, included H. Barros (Author list on page 53)

Environmental Modelling for Radiation Safety (EMRAS) – A Summary Report of the Results of the EMRAS

Program (2003-2007). International Atomic Energy Agency: IAEA-TECDOC-1678.

ISBN 978-92-0-129810-2. ISSN. 1011-4289. IAEA Vienna, June 2012.

4. Barros, H; Castro M. L, Wong M y Mori V.

Expectrometría de Masas con Plasma Inductivamente Acoplado.

Capítulo 7 del Libro “Metodologías Analíticas para la Determinación y Especiación de Arsénico en Aguas y Suelos”.

Editores M. I. Litter, M. A. Armienta y S. S. Farías. Editado por el CYTED.

2009. ISBN:978-84-96023-71-0. pp. 113 - 138.

3. H. Barros (Autor). J. M. Abril y R. Periañez (Directores de Tesis)

Estudio de la cinética del intercambio de radionúclidos y metales pesados, en relación con la modelización de su

dispersión en ambientes acuáticos naturales.

Tesis de Doctoral. Departamento de Física Atómica Molecular y Nuclear, Universidad de Seville, España. 2005

2. H. Barros (Autor). J. M. Abril (Director del Trabajo)

Estudios Experimentales y de Modelización de las Reacciones del 133

Ba en Suspensiones Acuosas.

Trabajo de Investigación de Tercer Ciclo.: Departamento de Física Atómica Molecular y Nuclear, Universidad de

Seville, España. 2002.

1. H. Barros (Autor). L. Sajo-Bohus (Tutor)

Nuevo Método de Calibración para medir Concentración de Isótopos Gamma Emisores en Crudo y Cenizas.

Tesis de Licenciatura. Departamento de Física, Universidad Simon Bolívar, Venezuela. 1998.E K ) __________________________________________________________________________________________________________________________________________________________

I) Publications in other refereed scientific journals

41 Journal of Nuclear Physics, Material Sciences, Radiation and Applications (2017)

41.1 H. Barros, G. Espinosa, W. Rodríguez and L. Sajo-Bohus.

41.2 Radon Exhalation from Industrial Residues as Suitable Additives for Building Materials

41.3 Vol-5, No-1, August 2017, pp. 113–125

40 AIP Conference Proceedings, vol. 1671 (2015).

40.1 Barrera M., Barros H., Pino F., Sajo-Bohus L. and Dávila J.

40.2 Thermal and epithermal neutron fluence rate gradient measurements by PADC detectors in LINAC radiotherapy

treatments-field.

40.3 2015. AIP Conference Proceedings 1671, 030002 (2015); doi: 10.1063/1.4927191.

39 AIP Conference Proceedings, vol. 1671 (2015).

39.1 Sajo-Bohus L., Greaves E., Barros H., Pino F., Barrera M., Farina F. and Davila J.

39.2 Th and U fuel photofission study by NTD for AD-MSR subcritical assembly.

39.3 2015. AIP Conference Proceedings 1671, 020009 (2015); doi: 10.1063/1.4927186.

38 Proceedings of the 14th International Conference on Nuclear Reaction Mechanisms, Villa Monastero, Varenna.

38.1 R. R. Martín-Landrove, J. Dávila, H. R. Vega-Carrillo, M. T. Barrera, A.J. Kreiner, F. Pino, H. Barros, E. D.

Greaves and L. Sajo-Bohus

38.2 GDR in Radiotherapy Treatment Fields with 18 MV Accelerators.

38.3 2015. Published by CERN, ISBN: 9789290834182. Vol. 1. pp. 369-376.

375 EPJ Web of Conferences

37.1 A. Vidal, G. Viesti, F. Pino, H. Barros, L. Sajo-Bohus

37.2 Annihilation Radiation Gauge for Relative Density and Multiphase Fluid Monitoring.

37.3 2014. Vol. 66, p. 10017 (4 páginas)

36 Conference: C15-07-30 Proceedings

36.1 LAGO Collaboration (W. Alvarez et al.). May 7, 2016.

36.2 The Latin American Giant Observatory: Contributions to the 34th International Cosmic Ray Conference

ICRC 2015.

36.3 ArXiv:1605.02151 [astro-ph.IM]

35 Revista GEOS (ISSN 0435-5601)

35.1 Palacios, Daniel; Barros, Haydn; Salas, Johnny; Fusella, Emidio; Avila, Yininber; Teixeira, Diana; Fernández,

Guillermo; Sojo, Juan.

35.2 Técnicas radiométricas superficiales en la exploración petrolera.

35.3 2013. Vol. 44, p. 13-19

34 Revista GEOS (ISSN 0435-5601)

34.1 Palacios, Daniel; Salas, Johnny; Barros, Haydn; Fusella, Emidio, Avila, Yininber; Teixeira, Diana.

34.2 Radiactividad gamma y radón sobre un campo petrolero con aguas freáticas contaminadas por gas natural.

34.3 2013. Vol. 44, p. 25-31

33. CERN-proceedings-2012-002. 13th International Conference On Nuclear Reaction Mechanisms. Varenna (Italy),

33.1 E.D. Greaves, L. Sajo-Bohus, H. Barros, M. Asuaje, S. Croquer, J. Clarembaux.

33.2 An Alternative Source for Venezuela Energy Production: The Thorium Molten Salt Reactor

33.3 June 11 – 15, 2012. p. 459-468.

32. AIP Conference Proceedings 1423. The 9th Latin American Symposium on Nuclear Physics and Applications.

32.1 E. D. Greaves, K. Furukawa, L. Sajo-Bohus and H. Barros.

32.2 The Case for the Thorium Molten Salt Reactor.

32.3 July 2011. Vol 1. 453-460.


31.1 A. Vidal, G. Viesti, C. Osorio, F. Pino, A. Horvath, H. Barros, M. Caldogno, E. D. Greaves and L. Sajo-Bohus.

31.2 Multiphase Monitoring by Annihilation Radiation Coincidence Mode.

31.3 July 2011. Vol 1. 414-417.


30.1 F. Pino, H. Barros, L. Sajo-Bohus and D. Palacios.

30.2 Interpretation of a gamma-Compton Densitometer Response from Multi-Scattered Photons.

30.3 July 2011. Vol 1. 345-346.


29.1 H. Barros, for the LAGO Collaboration.

29.2 The LAGO Collaboration: Searching for high energy GRB emissions in Latin America.

29.3 July 2011. Vol 1. 151-158.

28. Proceedings of Science: 4th School on Cosmic Rays and Astrophysics, UFABC - Santo André, São Paulo, Brazil.

28.1 García I., Barros H. and López J. for the LAGO Collaboration.

28.2 Water Cherenkov Detector installation by the Vertical Muon Equivalent technique.

28.3 September 2010. Vol 1. 6 pages.

27. Libro de Resúmenes del X Congreso ALHSUD: Aguas Subterráneas y Desarrollo Sustentable de los Pueblos

Latinoamericanos.

27.1 Peralta Tapia A., Barros H., Izarra C., Barros A., Decarli F., Lemmo A., Arriojas A., Palacios D. y Sajo-Bohus L.

27.2 Caracterización de Acuíferos Costeros de Pto. Cumarebo, Edo. Falcón, Venezuela.

27.3 2010. Vol. 1. 106-VE-T3 (8 páginas).


Latinoamericanos.

26.1 Barros H., Peralta A., Arriojas A., Alvarado R., Barros A., Palacios D. F. Hernández y Sajo L.

26.2 Estudio de la calidad de los Manantiales del Cerro Mampostal, Edo. Falcón, Venezuela.

26.3 2010. Vol. 1. 107-VE-T1 (8 páginas).


Latinoamericanos.

25.1 De la Peña E., Barros H., Izarra C. y Osorio C.

25.2 Prueba de Tomografía Eléctrica como herramienta de Propecciòn de Acuíferos en Pto. Cumarebo, Edo. Falcón.

25.3 2010. Vol. 1. 45-VE-T3 (8 páginas).


24.1 A. Arriojas, H. Barros, D. Palacios, S. Hurtado, M. Villa, K. Pérez, J. Alfonso and L. Sajo-Bohus.

24.2 Geochronology of recent sediments from the Cariaco Trench (Venezuela) by Alpha Spectrometry of 210

Pb (210

Po).

24.3 2010. Vol. 1. 403-406.


23.1 F. Pino, H. Barros, M. Bernal, L. Sajo-Bohus, D. Palacios, E. D. Greaves and G. Viesti.

23.2 Quality Control of Pavements and Tarmacs Using (137

Cs) γ Compton Scattering.

23.3 2010. Vol. 1. 461-462.

22. AIP Conference Proceedings 1123.

22.1 Lago Collaboration.

22.2 Latin American Giant Observatory.

22.3 April 30, 2009 -- Volume 1123. 197-203


21.1 E. D. Greaves, M Angeli-Greaves, H. Barros, J. Bermudez and L. Sajo-Bohus.

21.2 X-ray spectroscopy for quality control of chemotherapy drugs.

21.3 2007. Vol. 1. 31-34.


20.1 L. Colmenter, L. Sajo-Bohus, J. Liendo, E. Greaves, D. Coelho, H. Barros, J. Castillo, L. Esteves, N. Ruíz,

L. Morales and L. Lugo.

20.2 Five years of Cyclotron Radioisotope Production Experiences at the First PET-CT in Venezuela.

20.3 2007. Vol. 1. 67-70.


19.1 L. Sajo-Bohus. E. D. Greaves, H. Barros, W. González and A. Rangel.

19.2 LabViewTM Based Nuclear Physics Laboratory experiments as a remote teaching and training tool for Latin

American Educational Centers.

19.3 2007. Vol. 1. 477-478.


18.1 A. Rangel Salas, T. Viloria, L. Sajo-Bohus, H. Barros, E. D. Greaves and D. Palacios.

18.2 Radioisotope Concentration in Lake Sediments of Maracaibo, Venezuela.

18.3 2007. Vol. 1. 475-476.


17.1 F. Farina, F. Pino, L. Sneyers, P. Vermaecker, H. Barros, L. Sajo-Bohus, Mackowiak Ma. M, A. Antczak, E.

Greaves and D. Palacios.

17.2 k0-INAA of Archaeological and Industrial Venezuelan Samples.

17.3 2007. Vol. 1. 467-468.

16. CIENCIA

16.1 H. Barros, J. M. Abril, L. Sajo-Bohus, E. D. Greaves y D. Palacios.

16.2 Algoritmo matemático eficiente para la resolución de la ecuación de difusión-advección acoplada a modelos

cinéticos de transferencia de seudo-primer orden

16.3 2007. 15 (4) 413-418.

15. 1er Taller Binacional y Regional sobre Desertificación. Ediciones IVIC. ISBN 978-980-261-089-1

15.1 H. Barros, C. Izarra, G. Merlo y L. Sajo-Bohus.

15.2 Evaluación de la Intrusión Marina y Salinización de Acuíferos Costeros en áreas piloto al noreste del Estado

Falcón, Venezuela.

15.3 Agosto 2007. p. 65-70.

14. Proceedings of the 11th International Conference on Nuclear Reaction Mechanisms

14.1 Barros, H., Sajo-Bohus, L., Kasztovszky, Zs., Postma, H., Vermaercke, Peter, Schillebeeckx, P., Palacios, D.,

Greaves, E.D. and Mackowiak de Antczak, M.

14.2 Neutron methods for Amerindian Archaeological Provenance Study and Authentication of Etruscan

bronze art objects

14.3 Varenna, Italy, 12-16 June 2006. p. 379-385.

13. Proceedings des Premières Journées Nationales des Mesures des Faibles Radioactivités et leurs Applications dans

les Sciences de la Terre, de la Vie et de l’Environnement.

13.1 H. Barros, J.M. Abril, El-Mrabet & A. Laissaoui.

13.2 Etude expérimentale de l'adsorption du 133-Ba par des carottes de sédiment provenant de deux milieux naturels

différents.

13.3 2004. Vol. 1. 36-46.

12. Proceedings des Premières Journées Nationales des Mesures des Faibles Radioactivités et leurs Applications dans

les Sciences de la Terre, de la Vie et de l’Environnement.

12.1 H. Barros, M. D. Hurtado, R. El-Mrabet, J. M. Abril, L. Andreu, A. Delgado.

12.2 ICPMS Applications for Environmental Assessment of Low Level Uranium in Agro-Soils Affected by

Phosphogypsum Amendments.

12.3 2004. Vol. 1. 12-20.

11. Proceedings of EUROSOIL Conference 2004.

11.1 V. A. Laudicina, C. Dazzi, A. Delgado and H. Barros.

11.2 Source of Calcium for Pedogenic CaCO3 Formation in Benchmark Soils of a Mediterranean Semiarid

Environment.

11.3 2004. CD 1, 9 páginas.

10. Recent Advances in Multidisciplinary Applied Physics. A. Méndez-Vilas Editor.


10.2 Experimental and Modelling Study on the Uptake Kinetics of Radionuclides by SPM. Discussion

on Box-Models Applications.

10.3 2005. Vol. I. 519-530.


9.1 H. Barros, J. M. Abril, R. El-Mrabet and A. Laissaoui.

9.2 Kinetically Controlled Radionuclide Sorption by Sediments Cores from two Different Environments. Experimental

Studies using 133

Ba as a tracer.

9.3 2005. Vol. I. 531-542.


8.1 H. Barros, J. M. Abril, V. A. Laudicina and A.Delgado.

8.2 Application of ICP-MS for Measuring Soil Metal Cations from Sequential Extractions.

8.3 2005. Vol. I. 179-183.

7. Bollettino della Società Italiana della Scienza del Suolo.

7.1 V. A. Laudicina, A. Delgado, H. Barros, R. Scalenghe e C. Dazzi.

7.2 Cationi metallici incorporati nei carbonati primari e secondari.

7.3 2004. 53 (1-2) 304 - 307.

6. Proceedings from the International Conference on Radioactivity in the Environment, 2002.

6.1 J. M. Abril, R. El-Mrabet, H. Barros and G. Manjón.

6.2 Study of the uptake kinetics of radionuclides in aqueous suspensions and its application to kinetic

reactive transport models.

6.3 2002. Vol. 1. 4 páginas.

5. Proceedings International Symposium on in-situ nuclear metrology as a tool for radioecology, 2002.

5.1 J.M. Abril, R. El Mrabet and H. Barros.

5.2 The interest of simultaneously recording physical and chemical variables in the remote radiological

surveillance of aquatic systems as seen from the environmental modelling.

5.3 2002. Vol. 1. 118-123.

4. ACTES 4ème Rencontré Hydrodynamique Marine, 2002.

4.1 R. El-Mrabet, J. M. Abril, G. Manjón, R. G. Tenorio & H. Barros.

4.2 Modélisation du comportement des contaminants radioactifs dans des différents systèmes lacustres européens.

4.3 2002. Tome I, 10 pag.

3. Resúmenes de las comunicaciones. XXVIII Reunión Bienal de la Sociedad Española de Física.

3.1 H. Barros, J. M. Abril y R. El-Mrabet.

3.2 Estudios experimentales y de modelización de las reacciones del 133

Ba en suspensiones acuosas.

3.3 2001. Vol. II, 137-138.

2. Proc. IRPA Reg. Conf. On Rad. Prot. In Central Europe, 22-27 Aug 1999 Budapest, Hungary,

2.1 Sajo Bohus L., Greaves, E.D., Liendo J., Barros H., Barnafoldi G. and Hernath Sz.

2.2 Venezuelan Near-Shore Marine And Orinoco River Environmental Gamma Radiation And Radon Measurements.

2.3 2000. ISBN 9638051884, Vol I. (CD) 658-660.

1. Proc. IRPA Reg. Conf. On Rad. Prot. In Central Europe, 22-27 Aug 1999 Budapest, Hungary,

1.1. Palacios D., Sajo-Bohus L., Barros H., Barnafoldi G.1, Hernath Sz.1, Liendo J. and Greaves E.D.

1.2. 40K,

232Th,

238U and

222Rn Concentration in the Orinoco River Basin, Venezuela.

1.3. 2000. ISBN 9638051884, Vol I. (CD) 639-645.

_________________________________________________________________________________________________

J) Collaborator / Member of the Organizing Committee of Conferences.

11. Encuentro PDVSA con nuestra Ciencia. Miembro del Comité Organizador. IVIC 01, 02 y 03 de febrero, 2017.

10. Primera Jornada Nacional sobre Investigación y Tecnología de las Radiaciones Ionizantes: Salud, Ambiente,

Seguridad Alimentaria e Industria. RADION. 24 al 27 de marzo de 2015. Caracas, Venezuela. Comité Organizador y

Comité Científico.

9. 8vo Workshop de la Comunidad LAGO (Large Aperture GRB Observatory)

Escuela Politécnica Superior del Chimborazo (ESPOCH). Riobamba, Ecuador, 4 al 7 de Julio 2012

8. L.A.G.O. Workshop 2011 (Large Array Gamma-ray-burst Observatory).

Universidad de San Andrés, Guatemala, Guatemala, 13-17 de Junio de 2011.

7. X Congreso Asociación Latinoamericana de Hidrología Subterránea para el Desarrollo: Aguas Subterráneas y Desarrollo

Sustentable de los Pueblos Latinoamericanos. Miembro del Comité Científico. Hotel Alba Caracas, 18 – 21 Octubre de

2010.

6. L.A.G.O. Workshop 2008 (Large Array Gamma-ray-burst Observatory).

Universidad de Los Andes, Mérdia, Venezuela, 15-17 de Julio de 2008.

5. Encuentro de Física para la Educación: Motivación y Experimentos.

9 y 10 de Junio 2006. Organizado por: UPEL – Instituto Pedagógico de Caracas y Universidad Simon Bolívar. Caracas,

Venezuela.

4. Second Latin-American Workshop on: Nuclear and Heavy Ion Physics.

1-5 Sep 1997. Organizado por: Universidad Simon Bolívar. Caracas, Venezuela.

3. 18th International Conference on NUCLEAR TRACKS IN SOLIDS.

Organized by: International Nuclear Track Society and Ain Shams University, National Institute for Standards, Atomic

Energy Authority of Egypt. 1-5 September, 1996 Cairo, Egypt.

2. I Jornadas Venezolanas sobre Técnicas Analíticas no Convencionales para un Desarrollo Sustentable.

14 y 15 de Marzo de 1996. Organizado por: Universidad Simon Bolívar, Sede del Litoral, Camuri Grande, Venezuela.

1. First Latin-American Workshop on: On and Off Line Beam Gamma Spectroscopy for the Study of Heavy Ion Reactions

and Pre-equilibrium Processes.

4-8 Sep 1995. Organizado por: Universidad Simon Bolívar. Caracas, Venezuela. ____________________________________________________________________________________________________________________________________________________

K) Responsible of Research and Development Projects and Contracts.

1. NORM/TENORM monitoring on industrial byproducts: radiological and environmental protection and re-use of

building materials. National Technical Cooperation Project IAEA VEN/2016/003; 2018-2019

2. Radiometric monitoring in production pipelines storage and handling facilities and other TENORM. PDVSA -

INTEVEP. 2016-2017.

3. Preliminary radiometric evaluation of PEQUIVEN phosphogypsun in the context of building materials incorporating

NORM/TENORM as additives. PEQUIVEN 2016-2017.

4. Radioisotope study and NORM of the Navay Formation (Táchira State) Uraniferous phosphates. Funded by the Dean of

Research and Development at Simon Bolívar University. January 2016-2017.

5. Geochemical and Mineralogical Study of the U-Bearing Phosphate Rocks of Navay Formation, Tachira State,

Venezuela. International Atomic Energy Agency Research Contract. 2016-2017 and 2018-2019.

6. Elemental, Radioisotope and Dosimetric Characterization of the Red Mud of the BAUXILUM Plant (Puerto Ordaz) and

Feasibility of its use as Additive in Construction Materials. First part. BAUXILUM 2016-2017.

7. Enhancing Nuclear Education, Training, Outreach and Knowledge Management in Latin American and Caribbean

Region. ARCAL Project (Regional Cooperative Agreement for the Promotion of Nuclear Science and Technology in

Latin America and the Caribbean). IAEA. 2016-2017.

8. Preliminary Technical Assessment to Oil Production Piping Adequacy / Cleaning Facilities. PDVSA - INTEVEP. 2015.

9. Evaluation of residence times and water ages in aquifers by means of environmental beta emitter radioisotopes to better

understanding and managing water resources. (VEN/7/005). TCP IAEA. 2014-2016.

10. Capacities Strengthening of the National Geochronology Network to increase the supply of services to national

companies and institutions and reduce technological dependence from abroad. FONACIT - PEI CFI-703.2013-2014.

11. Use of agro-environmental radioactive soil tracers (i.e. 137

Cs and 210

Pb) for assessing and managing sedimentation

processes impacting reservoirs (VEN/7/004). TCP IAEA. 2012-2013.

12. Evaluation of the recharge of the calcareous formation of the Zamora and Tocópero Municipalities, Falcón State.

Funded by the Ministry of Science and Technology through FUNDACITE Falcón. 2008-2009.

13. Training program of relief generation in the Research Line of Hydrology and Hydrogeology. 2007-2008. Financed by

Hilandes (LOCTI). Home 2007.

14. Study of the Marine Intrusion and Salinization of Coastal Aquifers in the Falcón State by means of Hydrogeology and

Hydrogeophysics. Funded by PROFALCA (LOCTI). 2007-2008.

15. Project VEN/8/020. "National Program of Application of Nuclear Techniques for the Evaluation and Integral

Management of the Water Resources". TCP IAEA. 2007-2009. Responsible: Dr. Hervé Jegat (CIDIAT-ULA).

Responsible for sub-project VEN/8/020/5 Dr. Haydn Barros (USB).

16. Identification of natural tracer and characterization of pollutant processes in tropical karstic aquifers using nuclear

techniques. Funded by PROFALCA (LOCTI). 2007-2009.

17. Modernization of the Physics Laboratory by using HP mobile technology. Funded by HP. 2006-2008..

18. Underground Hydrogeology and Evaluation of Saline Intrusion in the Northern Zone of Falcon State. Funded by the

Ministry of Science and Technology and FUNDACITE Falcón. 2006-2010.

19. Applications of Alpha Spectrometry. Funded by the DID - USB. Project DI-CB-029-05 (S1). 2006-2007. ______________________________________________________________________________________________________________________________________________________________

L) Working Stays and Scientific Visits to Research Centres.

1. Laboratorio Geológico y Nucleoteca, El Chaure. PDVSA – Oriente. Exploration Management Division. Puerto La Cruz.

20 to 23 Sept. 2016.

2. Polytechnic University of Silesia (Politechnika Śląska, Gliwice, Poland), GADAM Center. Absolute Dating Methods

Center. 14C Measure by LSC (Funded by IAEA). 15/09 to 11/12 2015.

3. University of Seville, CITIUS, Techniques of reconcentration and measurement of Tritium through LSC (Funded by the

IAEA). 15/08 to 14/09 2015.Universidad de Seville (España), CITIUS y ETSIA, Sabatic year. Nov 2012 – Sept 2013.

4. Observatorio Astronómico de Quito (OAQ-Quito), Ecuador, July 15, 2011.

5. Escuela Superior Politécnica del Chimborazo (ESPOCH-Riobamba), Ecuador, July 17, 2011.

6. Departamento de Física, Facultad de Ingeniería, Universidad de San Andrés, Guatemala. June 2011. (6 days)

7. CIDIAT – Universidad de Los Andes. Laboratorio de Isótopos Ambientales. September 2010. (3 days)

8. Observatorio Pierre Auger. Malargüe, Argentina. 20 - 24 de Diciembre de 2009.

9. Instituto de Tecnología Nuclear (ITN). Lisboa, Portugal. August 2009. (20 days)

10. Laboratorio de Radioisótopos, Centro de Investigación, Tecnología e Innovación de la Universidad de Seville (CITIUS)

Julio y Agosto de 2009. (50 days)

11. Centro de Investigación, Tecnología e Innovación de la Universidad de Seville (CITIUS) 10 al 17 de mayo de 2008.

12. Laboratorio de Espectrometría de Masas del Servicio General de Investigación Agraría de la Universidad de Seville

(SGIAUS). 19 de diciembre 2007 al 15 de enero de 2008.

13. Centro de Física Fundamental, Universidad de los Andes (ULA), Mérida. 26 de Agosto al 05 de Septiembre de 2007.

14. Instituto de Investigaciones Físicas (La Paz) y Observatorio de Física Cósmica (Chacaltaya), Universidad Mayor de San

Andrés, Bolivia. 18 al 20 de Junio de 2007.

15. Centro de Física Fundamental (CFF), Universidad de los Andes, Facultad de Ciencias. Mérida. 06 al 08 de Dic. 2006.

16. Institute of Physics and Biophysics, University of Salzburg. Austria. 10-17 November 2004.

17. Centre National de l’Energie des Sciences et des Techniques Nucleaires, Unité Surveillance Chimique, Département

Protection de l’Environnement. Kenitra, Marruecos. 22 Junio - 2 Julio 2004.

18. Dipartimento di Agronomia, Coltivazioni Ervacee e Pedologia. Universitá de Palermo, Italia 4-19 Nov 2003.

19. University Hospital Birmingham, Department of Medical Physics. NHS Trust. England. Ago.-Sep. 1998.

M) Experience in handling equipment and instruments.

1. Nuclear Spectrometry: Gamma, Alpha and Beta, SSNT, TLD, Scintillation Detectors and Cherenkov. Application to:

Cosmogenic particles, α-β, Radon, measurements in water, soil, sediments, etc. Hydrology, Geochemistry,

Geochronology, Environment, NORM, TENORM, etc.

2. Spectrometry: Mass, Atomic and RX: ICP-MS, ICP-OES, AA, XRD, XRF, TXRF, PIXE and SEM

3. Radiochemistry: Synthesis of benzene from samples of interest (water and solid samples) for the measurement of

Carbon 14 by means of LSC. Basic Electrolytic concentration of deuterium and tritium in aqueous samples for

measurement by Laser Absorption Spectrometry and Liquid Scintillation Spectrometry (LSC) respectively. Radioisotope

separation by means of liquid chromatography and applications to Alpha and Beta Spectrometry (LSC).

4. Radiation Protection: Dosimeters, Hydrometers, G-M Monitors, Neutron Monitors, etc.

5. Electronics for Nuclear Instrumentation: H-V sources, ADC Converters, Multichannel Cards (MCA), Preamplifiers,

Amplifiers, NIM, etc.

N) Computing.

1. Modeling of aquatic systems and pollutants dispersion (radioisotopes and heavy metals), aquatic environments and

porous systems

2. Digitalization of images applied to nuclear trace detectors

3. Simulation of the transport of particles and radiation through matter using Monte Carlo methods

4. Dosimetric calculations using Monte Carlo methods

5. Management of analysis programs for nuclear spectrometry

U) Languages: Fluent in Spanish and English, Intermediate level of Italian and Portuguese, basic level of French.

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