NEUTRON EMISSION FROM SPONTANEOUS FISSION OF HEAVY ELEMENTS
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Transcript of NEUTRON EMISSION FROM SPONTANEOUS FISSION OF HEAVY ELEMENTS
NEUTRON EMISSION FROM SPONTANEOUS FISSION
OF HEAVY ELEMENTSStudents:RIHA ThomasTARGA Alexandre
Supervisor:Alexander I. SVIRIKHIN
Flerov Laboratory of Nuclear Reactions, JINR Dubna, 2011
2011 Student Practice in JINR Fields of Research
Main goal of project
- Preparation of the detection system of VASSILISSA separator for experiments aimed to investigation of neutron properties of spontaneous fissioning heavy nuclei
Conclusion
- Neutron detection efficiencyε = 45 %
- Average living time of neutron before capturing in 3He-detector
tav = 41 μs
References
- J.R Dunning et al., Interations of neutrons with Matter
Phys. Rev. 48, 265-280 (1935)
- A.Foderaro, The Elements of Neutron Interaction theory
MIT Press, Cambridge, USA (1971)
- J. Martin, Physics for Radiation protection
John Wiley and sons, New York, USA (2000)
- D.C. Hoffman et al., Nucl. Phys., A502 (1989) 21-40
- E.A. Sokol et al., Phys. Instr. Meth., A400(1997) 96-100
- A.V. Yeremin et al., Phys. At. Nucl., 66(2003) 1042-1052
- A.V. Yeremin et al., Phys. Instr. Meth., A539(2005) 441-444
- A.I. Svirikhin et al., Eur. Phys. J. A 44, 393–396 (2010)
Acknowledgement
We would like to express our gratitude
to our supervisor Mr. Alexander I. SVIRIKHIN
for his attention and for his helpful discussions
and to the Vassilissa team as well.