DAE

SYMPOSIUMON

NUCLEAR PHYSICS

CONTRIBUTED PAPERS VOLUME 39B(1996)

G.B. PANT UNIVERSITY

PANTNAGAR

DECEMBER 20-24,1996

Editors: V.M. Datar

SuresSi Kumar

Organised by

DEPARTMENT OF ATOMIC ENERGY

GOVERNMENT OF INDIA

UNIVERSITATSBIBLIOTHEKHAMNOVER

TECHNISCHEINFORMATIONSBIBLIOTHEK

CONTENTS

INVITED TALKS

11. Quantum mechanical interference and indistinguishability in

nuclear orbiting reaction, A. Ray12. Fission dynamics through GDR studies and evaporation residue

measurements, Manoj K. Sharan

13. Melting the Jff in Pb-Pb collisions: a harbinger of quark-gluonplasma ?, . . .

• Rajiv V. Gavai

14. Results from the WA98 experiment, M.M. Aggarwal15. current status of nuclear structure, .

•

. . . Peter Ring16. Internal pair decay of giant resonances - signature from ISGMR

in hot and heavy nucleus, 8.X. Bauerjee17. Spin observables in inelastic nucleon scattering on nuclei,

M.S. Vidya18. Dynamics of incomplete momentum transfer processes and complex

fragment emission,'

. . S. Bhattacharya19. Neutron resonances and parity-dependence of nuclear level

density at high excitation, H.M. Agrawal110. Data acquisition systems for nuclear physics experiments,

H.D. Ghodgaonkar111. Folded Tandem Ion Accelerator at BARC, P.Singh112. Angular momentum dependence of GDR width and level densities in

hot nuclei, ..... b.K. Agrawal

SEMINARS

81. Mon-nualeonic degrees of freedom

a. Strangelets at finite temperature, ..... M.O. Mustafa

b. Neutron and quark stars, Sanjay Ghosh

c. Weak decays of heavy mesons, A.B. Santra

82. nuclear structure

a. New band structures and shape co-existence in odd-mass Iodine

isotopes, Ranjana Goswami

b. Shell model in large spaces and statistical spectroscopy,V.K.B. Kota

c. Nuclear structure at high spin with Gammasphere, . . 8.8. Ghugre

83« Dynamics of low energy heavy ion reactions

a. Heavy ion induced fission excitation functions in extreme

sub-barrier energy region, Durganand M. Kadkarni

b. Transfer reactions with heavy ions, . . M. c. Radhakrishna

a. Elastic and inelastic scattering with heavy ions, . . 8. K. Datta

d. Quasifission reactions in low energy heavy ion collisions,. P. Bhattacharya

Beam characteristics in cyclotrons and possible improvementsof its quality, V.8. Pandit

Study of correlations and fluctuations of photons in ultra-

relativistic collisions of nuclei at CERN SPS, . . Arun c. Das

A study of clustering effect of °Li in light ion induced

reactions, Tinku Sinha

Vacuum structure in QCD and hadronic correlators, . Varum Sbael

Nuclear reactions near the coulomb barrier, . . O.V. Ravi Prasad

Analytic cubic potential model for exotic decay, alpha emission

and spontaneous fission, . . . . . 8.I.A. Philomin Raj

Study of transfer channel coupling and entrance channel effects

for the near and sub-barrier fusion of 46Ti+64Ni, 50Ti+60Ni and

19F+93Nb systems, . M.V.8. Vara Prasad

Investigations of heavy ion induced fission of heavy nuclei at

near and sub-coulomb barrier energies, . . . Havana Majumdar

Heavy-ion induced fission fragment angular distribution

measurements as a probe of investigate fission mechanisms,Alka M. Sam&nt

Relativistic mean field description of exotic nuclei,. . . . Jyoti Prasad Mabarana

Double beta decay study for some f-p and s-d-g-h nuclei in.

micriscopic framework, . . . . . . . . S.K. Dhiman

CONTRIBUTED PAPERS

1, NUCLEAR STRUCTURE

Oral Presentation

1. SEMIMICROSCOPIC DESCRIPTION OF THE EXOTIC NUCLEI 1XB0 AND 190,R. Bhattacharya and K. Krishan 2

2. LIFETIME MEASUREMENT OF HIGH SPIN STATES OF 73Se, G. Mukherjee,R.K. Bhowmik, R.P. Singh, S. Muralithar, P. Joshi, S. Datta and

S.N. Roy • 4

3. FIRST EVIDENCE OF A NONLINEAR EFFECT IN NUCLEAR SPECTRA, ManishaDudeja, Ashok K. Jain, Zafar Ahmed and sham S. Malik 6

4. LIFETIME MEASUREMENTS IN 7aKr, P.K. Joshi, S.D.Paul, S.Nagaraj,A^S.Medhi and H.C.Jain 8

5. SIGNATURE EFFECTS IN i13/2 BAND OF 161Dy, Aswini Kumar Rath,CR. Praharaj 10

6. THE EXPERIMENTAL ANOMALOUS ISOTOPIC SHIFTS OF Rb ISOTOPES: THE

RELATIVISTIC MEAN FIELD DESCRIPTION, J.P. Maharana and

v.K.Gambhir 12

7. GIANT DIPOLE RESONANCE DECAY. FROM HOT ROTATING 133Nd NUCLEUS,Indranil Mazumdar, P. Sugathan, D.O. Kataria, N. Madhavan,J.J. Das, R.P. Singh and A.K. Sinha 14

8. PARITY MIXING IN SUPERDEFORMED CONFIGURATIONS IN ZIRCONIUMREGION

,CR. Praharai, R.C. Mishra and A.K. Rath 16

9. HIGH SPIN STATES IN 77Kr, S.K. Tandel, S.B. Patel, R.K. Bhowmik,A.K. Sinha, S. Muralithar and N. Madhavan 18

10. Otf Rlh DECAY MATRIX ELEMENTS FOR 7.6Ge AND 82Se NUCLEI IN

MICROSCOPIC VARIATIONAL FRAMEWORK, S.K. Dhiman, B. Dixit,P.K. Rath and P.K. Raina 20

11. PENETRATION EFFECTS ON THE INTERNAL CONVERSION OF THE 94 keV^-TRANSITION IN 169Tm, C.C. Dey, B.K. Sinha and S.K. Basu 22

12. CLUSTER CONFIGURATION AND SUPER DEFORMATION IN f-p SHELL NUCLEI,G.Shanmugam, S.N.Chintalapudi, G.A.Benjamin and S.Santhosh Kumar 24

Poster presentation

13. MAGNETIC MOMENTS OF THE EXCITED STATES OF THE 138Ba and 13fiXeWITHIN THE CRANKED HARTREE FOCK BOGOLIUBOV SCHEME,Ramen Majumdar 26

14. GIANT DIPOLE RESONANCE IN SPECTRAL AVERAGING THEORY,D. Majumdar, K. Kar and A. Ansari 28

15. GIANT DIPOLE RESONANCE WIDTH IN HOT ROTATING NUCLEI, A. Ansari,B.K. Agrawal and P. Ring 30

16. ROTATIONAL g-FACTORS AND HIGH-SPIN STRUCTURE OF 108Pd, A. Ansari 32

17. THE hxly2 STATE IN 147Pm FROM THE DECAY OF X47Nd, M. Sairiath

and K. venkataramaniah 34

18. 53 keV TRANSITION AND THE 7/2+ ANOMALOUS STATE IN 103Rh,M. Sainath and V. Venkataramaniah 36

19. ON THE VMINS3 MODEL CALCULATION, J.B. Gupta and A.K. Kavathekar 38

20. A COMPARISON OF ROTATION-VIBRATION INTERACTION RESULTS WITH

VMINS3 MODEL, J.B. Gupta and A.K. Kavathekar 40

21. IBM-1 STUDIES OF NEUTRON DEFICIENT Ba ISOTOPES, J.B. Gupta and

A.K. Kavathekar 4222. NUCLEAR STRUCTURE OF 148Ce IN DPPQ MODEL, J.B. Gupta 44

23. NATURE OF THE Kw=02+ BAND IN DEFORMED NUCLEI, J.B. Gupta 46

24. HIGH SPIN STRUCTURE IN 120Te, Rajesh Kumar, Harjeet Kaur,Jagbir Singh, A. Sharma, J. Goswamy, D. Meh£a, Nirmal Singh,P.N. Trehan and R.K. Bhowmik 48

25. THE TRIAXIAL DEFORMATION PARAMETER . IN SOME Xe AND Ba NUCLEI,Ramesh Kumar and P.K. Chattopadhayay 50

26. HIGH SPIN STATES IN X4JPm, S. Bhattacharya, D. Bandyopadhyay,S.K. Basu, R.K. Bhowmik, G. Mukherjee, S. Muralithar, R.P. Singhand S. Tandel 52

27. HIGH SPIN STATES IN 77Se, I. Ray, P. Banerjee, B. Sethi,A. Goswami, M.B. Chatterjee and R. Goswami 54

28. THREE BODY MODEL OF 6He AND "Li, T.K. Das, S.K. Datta andMd. A. Khan 56

29. HIGH SPIN BAND STRUCTURES IN ODD-ODD X68Lu AND X70Lu NUCLEI,S.K. Katoch, S.L. Gupta, S.C. Pancholi, A. Kumar, D. Mehta,P. Juneja, S.Malik, G. Shankar, L. Chaturvedi and R.K. Bhowmik 58

30. ROTATIONAL LEVELS AND AN IDENTICAL BAND IN 80Rb, S.K. Tandel,S.B. Patel, R.K. Bhowmik, A.K. Sinha, S. Muralithar andN. Madhavan 60

31. SHELL MODEL STUDIES IN THE N=54 ISOTONES 99Rh, X00Pd,S.S. Ghugre, S. Sarkar and S.N. Chintalapudi 62

32. BETA DECAY IN MASS 60 REGION IN THE INTERACTING BOSON

APPROXIMATION, A.K. Singh and G. Gangopadhyay 6433. IDENTIFICATION OF NEW HIGH SPIN ISOMER IN X53Bu, S. Basu-Roy,

S. Chattopadhyay, J.M. Chatterjee, R.K. Chattopadhyay,S.S. Ghugre, G.o. Rodrigues, R.P. Singh and R.K. Bhowmik 66

34. RECOIL DISTANCE LIFETIME MEASUREMENT IN X85AU, P. Joshi, A. Kumar,G. Mukherjee, R. Singh, R.P. Singh, S. Muralithar, I.M. GovilR.K. Bhowmik and U. Garg 68

35. NEW BAND IN 8XY, P.K. Joshi, S.D. Paul, S. Nagaraj and H.C Jain 7036. HIGH SPIN STATES OF 70As USING HIRA AND GAMMA DETECTOR ARRAY,

A.K. Pande, L. Chaturvedi, Girish Shanker, S.L. Gupta, D. Mehta,S.K. Katoch, N. Madhavan, J.J. Das, P. Sugathan, D.o. Kataria,S. Muralidhar, R.P. Singh, P. Joshi, R.K. Bhowmik andCR. Praharaj 72

37. SUPERDEFORMED BANDS AS THE RIGID-ROTOR BANDS, Ashok K. Jain,Manish Dudeja, Sudhir R. Jain, Zafar Ahmed and Sham S. Malik 74

38. MICROSCOPIC STUDY OF LOW-LYING YRAST SPECTRA AND DEFORMATION

SYSTEMATICS OF EVr"J-EVEN BARIUM ISOTOPES, S.P. Sarswat,Arun Bharti and S.K Khosa 76

39. MICROSCOPIC STUDY OS" YRAST STATES IN X08Mo, Rani Devi andS.K.Khosa

7840. NUCLEAR LEVEL DENSITY (NLD) MEASUREMENT WITH SPIN SELECTION

.

USING EVAPORATED NEUTRON SPECTRUM FROM X33Nd, J.J. Das, S.K.Hui,I.Mazumdar, D.o.Kataria, N.Madhavan, P.Sugathan and A.K.Sinha 80

41. Q VALUES FOR a DECAYS IN THE 277112 CHAIN, CR. Praharaj andSuresh Kumar Patra

8242. BREAKING OF 0(6) SYMMETRY IN Xe NUCLEI, Veer Singh Rawat and

P.K. Chattopadhyay 8443. POSITIVE PARITY BANDS IN X25l, Hariprakash Sharma, Ranjana

Goswami, B. Sethi, P. Banerjee, R.K. Bhandari and Jahan Singh 8644. SHAPE CHARACTER EXHIBITED BY NEUTRON ORBITALS IN Zr NUCLEI,

A. Mohamed Akbar, N. Arunachalam and S. Veeraraghavan 8845. VARIATION OF OCCUPATION PROBABILITY WITH DEFORMATION, TEMPERATURE

AND SPIN, N. Arunachalam, S. Veeraraghavan and A. Md. Akbar 9046. TEMPERATURE AND ANGULAR MOMENTUM DEPENDENCE OF LEVEL DENSITY

PARAMETER IN PAIRED X22Xe AND l24Ba, K. Ilangovan, P. AliiPerianayaki and N. Arunachalam

9247. DEFORMATION DEPENDENCE OF SPECIFIC HEAT FOR HOT ROTATING

SUPERFLUID XZ2Xe and X24Ba NUCLEI, K. Ilangovan andN. Arunachalam

9448. DEFORMATION DEPENDENCE OF EXCITATION ENERGY FOR HOT ROTATING

ca, P. Alii Periyanayaki and N. Arunachalam 96

49. STUDY OF DOUBLE GAMOW-TELLER MATRIX ELEMENTS IN THE FRAME WORK

OF SPIN-TENSOR DECOMPOSITION OF EFFECTIVE TWO-BODY INTERACTIONSFOR Ge ISOTOPES, B.M.Dixit, S.K.Dhiman, P.K.Raina and P.K. Rath 98

50. SOME SYSTEMATICS OF THE DOUBLE BETA DECAY SENSITIVE NUCLEI IN

MASS 100-130 REGION, A.J. Singh, S.K. Dhiman and P.K. Raina 100

51. 2D flfi DECAY MATRIX ELEMENTS AND HALF LIVES FOR g.s. TO g.s. ANDEXCITED STATE DECAYS FROM li6Cd NUCLEUS, S.K. Dhiman, P.K. Rathand P.K. Raina 102

52. DOUBLE BACKBEND IN ROTATING 48Cr, G. Shanmugam, S.N. Chintalapudiand S. Santhosh Kumar

10453. REDETERMINATION OF LIFE TIMES FOR THE TRANS-TIN RADIOACTIVITIES,

G. Shanmugam, G.M. Carmel vigila Bai and B. Kamalaharan 106

54. SYSTEMATICS OF RADIUS CONSTANT VIA EXOTIC DECAY, G. Shanmugamand S.I.A. Philominraj 108

55. FINE STRUCTURE OF CLUSTER RADIOACTIVITY, G. Shanmugam,S.I.A. Philominraj, K.M. Geetha and T. sujatha 110

56. TEMPERATURE EFFECTS ON NEUTRON DRIP LINE, M. Rajasekaran andMamta Aggarwal 112

57. A NEW FORMULA FOR NEUTRON SEPARATION ENERGY, D. Caleb ChanthiRaj, R. Premanand and M, Rajasekaran 114

58. B(E2) BRANCHING RATIOS OF GAMMA-VIBRATIONAL BAND IN EVEN-EVEN

NUCLEI, A.K. Varshney, K.K. Gupta and D.K. Gupta 116

59. BROKEN PAIR- MODEL FOR ODD-EVEN NUCLEONS IN THE VALENCE SHELLS,S. Haq and Ibrahim M. Hamammu 117

60 LEVEL DENSITY PARAMETER BASED ON DIFFERENT MODELS, G.C. Joshiand H.M. Agrawal 118

2. LOW AND MEDIUM ENERGY NUCLEAR REACTIONS

Oral Presentation

1. FUSION BARRIER DISTRIBUTION FOR 12C + X94Pt SYSTEM,A. Shrivastava, A. Chatterjee, A. Navin, A.M. Samant, P. Singh,B.S. Tomar and S.Kailas 122

2. EVAPORATION RESIDUES FROM THE 28Si+12C REACTION: EVIDENCE FOR

INCOMPLETE FUSION, A.K. Ganguly, CR. Bhuinya, T. Sur, S.K. Hui,A. Chatterjee, S.K. Dutta and A. Mandal 124

3. COMPOUND NUCLEUS ANGULAR MOMENTUM STUDIES IN FISSILE NUCLEI BY

GAMMA RAY MULTIPLICITY MEASUREMENTS, D.V. Shetty,R.K. Choudhury, B.K. Nayak, D.c Biswas, L.M. Pant, A. Saxena,D.M. Nadkarni and S.S. Kapoor 126

4. ADIABATIC DEUTERON MODEL FOR THE (p,d) REACTION AND THE SUMMED

POTENTIAL ENERGY CONSERVATION THEOREM, Arun K. Jain 1285. QUASI-ELASTIC SCATTERING IN X2C + 209Bi SYSTEM, S. Santra,

P. Singh, S. Kailas, A. Chatterjee, A. Navin, A. Shrivastavaand A. Samant 130

6. EFFECT OF NON LOCALITY ON SUB-BARRIER FUSION ENHANCEMENT,S.V.S. Sastry, A.K. Mohanty and S.K. Kataria 132

7. ONE- AND TWO-PROTON TRANSFER IN X2C, X60+X54Sm AND X60+I15lnREACTIONS, B.K. Nayak, R.K. choudhury, L.M. Pant, A. SaxenaD.M. Nadkarni and S.S. Kapoor 134

8. EXOTIC NUCLEAR SHAPES AND THE MECHANISM OF IMF PRODUCTION INHEAVY-ION COLLISIONS, CB. Das and A. Das 136

9. STUDY OF INCOMPLETE FUSION IN 28Si+93Nb REACTION, K.K. Dwivedi,Alok Srivastava, Satya Prakash, D.K. Awasthi, B.S. Tomar,A. Goswami, A.V.R. Reddy and S.B. Manohar 138

10. ALPHA PARTICLE EMISSION AS A PROBE OF DYNAMICAL DEFORMATIONS,R. Singh, A. Kumar, N. Madhavan, D.o. Kataria, P. Sugathan,K. Kumar, B.V. John, S.K. Kataria, A.K. Sinha and I.M. Govil 140

11. DECAY OF THE 6a~RESONANCE AT 46 MeV EXCITATION IN 24Mg TO

6.13 MeV 3" OCTUPOLE STATE IN X60, E.T. Mirgule,Suresh Kumar, M.A. Eswaran, D.R. Chakrabarty, V.M. Datar,U.K. Pal and H.H. Oza 142

12. A MODIFIED WALL FORMULA FOR ONE-BODY DISSIPATION,

Tapan Mukhopadhyay and Santanu Pal 144

13. STUDY OF EXCITATION FUNCTIONS FOR XZC-INDUCED REACTIONS IN

NATURAL HOLMIUM, M.M. Musthafa, Sunita Gupta, B.P. Singh,H.D. Bhardwaj, D.K. Awasthi and R. Prasad

'

146

Poster Presentation

14. POLARIZATION IN 2H(p,y)3He FUSION REACTION,G. Ramachandran and R. Prasannakumar 148

15. FAST NEUTRON ELASTIC DIFFERENTIAL AND TOTAL CROSS SECTIONS OF

NI58 BETWEEN 3-40 MeV, Lakshmi Natarajan and Anand Prabhu 150

16. FEW-BODY ASPECTS IN THE BREAK-UP OF DEUTERONS BY ALPHA

PARTICLES, A. De, S.S. Dasgupta and D. Sen 152

17. ALGEBRAIC EXPRESSIONS FOR EFFECTIVE POTENTIAL PARAMETERS IN

HEAVY ION COLLISION, I. Jamir, E.F.P. Lyngdoh and CS. Shastry 154

18. STUDY OF HEAVY ION ELASTIC SCATTERING IN THE VICINITY OF

COULOMB BARRIER, V. Mohan, B.K. Yadav, R.K. Jain, S.K. Bose,J. Rama Rao and D.K. Awasthi 156

19. FEW NUCLEON TRANSFER STUDY OF 160 ON X44Nd SYSTEM, Samit

Mandal, T. Madhusoodhanan, Subinit Roy, S. Ray, H. Majumdar,S. Datta,M.K. Sharan, A. Mandal,- D.K. Avasthi and S.K. Datta 158

20. THE INCLUSIVE MEASUREMENT OF a PARTICLES FROM 7Li BREAKUP

REACTION ON 27At AT 48 MeV, T. Madhusoodhanan, Samit Mandal,Ramani, M.P. Sathyavathiamma, N.G. Puttaswamy, T. Mudhole, R.

Shyam, A. Mandal, D.K. Ayasthi and S.K. Datta 160

21. STUDY OF THE REACTION (12C,9Be)ON 56Fe, H.S. Patel,B. Srinivasan, M.G. Betigeri, H.c Jain and M.L. Jhingan 162

22. RELATIVE DOMINANCE OF COULOMB AND NUCLEAR BREAKUP AT DIFFERENT

ENERGIES WITH DIFFERENT PROJECTILE TARGET COMBINATIONS, SanjuktaMukherjee, Rituparna Kanungo and C Samanta 164

23. ENERGY DEPENDENCE AND DENSITY EFFECT IN THE 6Ll-NUCLEUSINTERACTIONS AT INTERMEDIATE ENERGIES, C Samanta, Y. Sakuragi,M. Ito and M. Fujiwara 166

24.' ELASTIC SCATTERING OF X0B FROM 209Bi, S. Kailas, A. Chatterjee,A. Navin, P. Singh, A. Shrivastava, V. Ramdev Raj,M. Krishna Rajulu Naidu, G. Nageswar Rao, S. Mandal,T. Madhusoodhanan, M.K. Sharan and S.K. Datta 168

25. FISSION CROSS SECTIONS AND ANISOTROPIES FOR X9F + 175LU,A. Chatterjee, A. Shrivastava, s. Kailas, A. Navin, P. Singh,S.K. Datta, T. Madhusoodhanana, s. Mandal and M. K. Sharan 170

26. MEASUREMENT OF ONE AND TWO NUCLEON TRANSFER CROSS SECTION IN THE

SYSTEM 28Si+64Ni AT SUB-BARRIER ENERGIES, Lagy T. Baby,M.C.Radhakrishna, N.G. Puttaswamy, N.M. Badiger, A.M.Vinodkumar,N.V.S.V. Prasad, Vandana Tripathi, S.K. Hui, I. Mazumdar,N. Madhavan, P. Sugathan, J. J. Das, D.O. Kataria and A.K. Sinha 172

27. RESONANCE STUDIES IN X2C+12C EXCITATION FUNCTIONS, R.CMisra,Madhup Seth, P.B. Pandey, Ashok Kumar and CR. Praharaj 174

28. SHAPE EVOLUTION FOR VARIOUS BOMBARDING ENERGY IN FUSION, R.C

Misra, Madhup Seth, P.g. Pandey, Ashok Kumar and CR.Praharaj 176

29. ELASTIC SCATTERING OF 28Si+40Ca SYSTEM AT ELA1 as 225 MeV,Ashok Kumar, Amita Srivastava, Sarita Kumar,. Madhup Seth,B.B. Srivastava and R.C. Misra 178

30. FUSION CROSS SECTIONS FOR 6Li+X2C AND 6Li+X3C REACTIONS AT

LOW ENERGIES, A. Mukherjee, U. Datta Pramanik, M. Saha Sarkar,S. Chattopadhyay, A. Goswami, P. Basu, S. Bhattacharya,M.L. Chatterjee, S. Sen and B. Dasraahapatra 180

31. CLOSED FORMULATION FOR HEAVY-ION FUSION CROSS SECTION,Basudeb Sahu 182

32. INCLUSIVE MEASUREMENT ON LIGHT PARTICLE EMISSION FROM 3XP,D. Bandyopadhyay, C Bhattacharya, S. Bhattacharya, K. Krishan,S.K. Basu, A. Chatterjee, S. Kailas, A. Navin, P. Singh andA. Srivastava - 184

33. EXCLUSIVE STUDIES ON HEAVY FRAGMENT EMISSION FROM 3XP,D. Bandyopadhyay, C Bhattacharya, S. Bhattacharya, K. Krishan,S.K. Basu, A. Chatterjee, S. Kailas, A. Navin, P. Singh and

A.'Srivastava 186

34. SPIN-PARITIES OF 15.693 MeV AND 15.711 MeV LEVELS OF 28Si,D.P.sarkar, S.Saha, C.C.Dey, M.B.Chatterjee and B.K.Sinha 188

35. COULOMB EXCITATION OF 93Nb, T. Kakavand, A. Kumar, K.P. Singhand I.M. Govil 190

36.'CLASSICAL MICROSCOPIC CALCULATION OF X60 + XX5IN FUSION CROSS

SECTION, S.S. Godre,*,*

19237. SUB-BARRIER FUSION CROSS SECTION OF 160+X60 REACTION IN

CLASSICAL MICROSCOPIC APPROACH, S.S. Godre 19438. IMPROVED GLAUBER APPROXIMATIONS FOR HEAVY ION REACTION CROSS

SECTION AT LOW ENERGIES, P. Shukla and S.K. Gupta 19639. STUDY OF SOME PROTON INDUCED REACTIONS IN NATURAL ANTIMONY,

M.M. Musthafa, Sunita Gupta, B.P. Singh and R. Prasad 198'40. ALPHA INDUCED REACTIONS ON NATURAL NICKEL, M.S. Gadkari,

D.J. Shah, B. Dave, N.L. Singh and S.N. Chintalapudi 20041. ANALYSIS OF ISOBARIC CONTRIBUTION IN ALPHA INDUCED REACTIONS IN

56Fe, N.L. Singh, D.J. Shah, H.B. Patel, S. Mukherjee and

S.N. Chintalapudi 202

42. MULTINUCLEON EMISSION IN THE ALPHA PARTICLE INDUCED REACTIONS

UPTO 50 MeV, S.Mukherjee, B.Bindu Kumar, M.H.Rashid, N.L.Singh 20443. A STUDY OF ALPHA PARTICLE INDUCED REACTIONS ON THALLIUM (A=203,

205) AT CYCLOTRON ENERGIES, N.P.M. Sathik, M. Afzal Ansari,M. Ismail and M.H. Rashid 206

44. STUDY OF MULTIFRAGMENTATION PROCESS IN NON-CENTRAL HEAVY-ION

COLLISIONS, C.B. Das, A. Das, M. Satpathy and L. Satpathy 20845. EMISSION OF e+e~PAIRS & y~y EVENT8 AT THE NUCLEAR COULOMB

BARRIER IN HIC, K. Raja 21046. TRANSFER REACTIONS TO CONTINUUM IN X9F + 93Nb REACTION,

B.S. Tomar, A. Goswami, G.K. Gubbi, S.B. Manohar, Bency John

and S.K. Kataria 212

47. ANGULAR MOMENTUM DISTRIBUTION IN SUBBARRIER FUSION OF X2C WITH

89Y, B. Bindukumar, S. Mukherjee, B.S. Tomar, A. Goswami,S.B. Manohar and Bency John

tozl4

48. STATISTICAL MODEL STUDIES OF THE REACTIONS 12C + 5XV USING" THECASCADE, LILITA AND ALICE/91 CODES, M. Ismail 216

49. OBSERVATION OF ODD-EVEN EFFECT ON NUCLEAR LEVEL DENSITY IN

A** 70, U.K. Pal, D.R. Chakrabarty, V.M. Datar, Suresh Kumar,E.T, Mirguleand H.H. Oza 218

50. STATISTICAL ANALYSIS OF S - WAVE FISSION WIDTHS, P.K. Srivastavaand H.M. Agrawal 220

51. NEAR-BARRIER FUSION ANALYSIS FOR 35C1 + TARGET SYSTEMS,S.K. Charagi and S. Kailas 222

52. SUBBARRIER TRANSFER STUDIES FOR THE 35Cl+89Y SYSTEM,K.G.Chhaya, R.G.Kulkarni, D.O.Kataria, N. Madhavan, P. Sugathan,J.J.Das, A.K.Sinha, R.Singh, Lagy T.Baby and Vandana Tripathi 224

LIGHT PARTICLE EMISSION AS PROBES FOR NUCLEAR REACTION DYNAMICS:

28Si + X2C REACTION AT 110 MeV, A.K. Ganguly, S.K. Hui,CR. Bhuinya, T. Sur, A. Chatterjee, A. Mandal and S.K. Dutta 226

MEASUREMENT OF TRANSFER CROSS SECTIONS IN X9F, X60, 12C+232ThSYSTEMS AT NEAR BARRIER ENERGIES, D.CBiswas, R.K.Choudhury,A.Saxena, B.K.Nayak, L.M.Pant, D.M.Nadkarni and V,s.Ramamurthy 228PRE-SCISSION NEUTRON RECOIL EFFECTS IN PARTICLE INDUCED FISSION,Bency John and S.K. Kataria 230

PEAK-LIKE STRUCTURE IN THE FISSION FRAGMENT ANIS0TR0PIE8 AT

SUB-BARRIER ENERGIES IN XXB, X2C, X60, X9F+232TH REACTIONS,N. Majumdar, P. Bhattacharya, D.C Biswas, R.K. Choudhury,D.M. Nadkarni and A. Saxena 232FISSION BEFORE K-EQUILIBRATION : A CLOSE LOOK, N. Majumdar,P. Bhattacharya, D.C. Biswas, R.K. Choudhury, D.M. Nadkarni and

A. Saxena 234ANOMALOUSLY HIGH FISSION CROSS-SECTIONS IN l:lB+Z3BU ANDl60+232Th AT DBEP SUB-BARRIER ENERGIES, D.M. Nadkarni,.A. Saxena, D.C. Biswas, R.K. choudhury, S.S. Kapoor,N. Majumdar and P. Bhattacharya 236

ANALYSIS OF ONE- AND TWO-PROTON TRANSFER IN 160 + 154Sm REACTIONAT 100 MeV IN DIFFRACTIONAL DWBA MODEL, K. Kumar, B.K. Nayak andR.K. Choudhury 238MASS AND ANGULAR MOMENTUM TRANSFER IN REACTIONS OF X60 + 1XSInAND X54S« AT Ehm s 100 MeV, B.K. Nayak, R.K. Choudhury andS.S. Kapoor

..240

PROBING FUSION BARRIER DISTRIBUTION IN X2C+232Th WITH

QUASI-ELASTIC EXCITATION FUNCTION, Raghav Varma, R.K. Choudhury,B.K. Nayak, D.C Biswas, B.V. Dinesh, L.M. Pant, Alok Saxena,R.G. Thomas and D.M. Nadkarni 242

FRACTIONATION OF COMPOUND NUCLEUS SPIN TO THE FISSION FRAGMENTSPIN IN XZC,X60 + 232Th REACTIONS, D.V. Shetty, r.k. Choudhury,B.K. Nayak, L.M. Pant, D.C Biswas, A. Saxena, D.M. Nadkarniand S.S. Kapoor 244

DEEP INELASTIC COLLISIONS OF 288i+28Si, 27A1 REACTIONS AT 120

AND 110 MaV BOMBARDING ENERGY, L.M. Pant, R.K. Choudhury,D.M. Nadkarni, Alok Saxena, D.C Biswas and B.K. Nayak 246

3. PHYSICS WITH RADIOACTIVE ION BEAMS

POSSIBLE HALO STRUCTURE IN THE FIRST EXCITED STATE OF 8Iii,V.L. Kameswari and R. Shyam 250

Poster Presentation

HALO STRUCUTURE OF 1XLi IN PROTON ELASTIC SCATTERING: A FOLDING

MODEL DESCRIPTION WITH ISOSPIN, DENSITY AND MOMENTUM DEPENDENTEFFECTIVE INTERACTION, Rituparna Kanungo and C Samanta 252

REACHING THE PROTON DRIP LINE AND BEYOND WITH LOW ENERGY RIB,P.Ghosh, A.Chakrabarti,v.Banerjee, Arup Bandyopadhyay, D.N.Basu 254

4. INTERMEDIATE ENERGY NUCLEAR REACTIONS ANDNON-NUCLEONIC DEGREES OF FREEDOM

Oral Presentation

THE ELEMENTARY p<p,p'ff+)n REACTION AT T_ = 800 MaV,B.K. Kundu and B.K. Jain v

258

MULTI-FRAGMENTATION OF Ca+Ca COLLISION AT INTERMEDIATE ENERGIES,Rajeev K. Puri, Suneel Kumar and Joerg Aichelin 260

MASS SHIFT OF <p MESONS PRODUCED IN HEAVY-ION COLLISIONSt

S.K. Gupta and R.S. Bhalerao 262

THE CONNECTION BETWEEN THE NUCLEAR MATTER MEAN FIELD EQUATION OF

STATE (EOS) AND QUARK-GLUON CONDENSATES AT HIGH DENSITY,Mira Dey, Jishnu Dey, M. Malheiro and A. Delfino 264

Poster Presentation

CHARM AND BEAUTY BARYONS FROM SIMPLE SUM RULES, Jishnu Dey,Mira Dey, B.C. Samanta 266

PROTON TOTAL REACTION CROSS SECTION FOR X2C USING a-PARTICLE

MODEL, J.H. Madano, I. Ahmad and M.A. Abdulmomen ° 268

DIRAC PHENOMENOLOGY AT 500 MeV, M.A. Suhail, S.M. Saliem and

N. Neelofer 270

MEDIUM EFFECTS ON THE SUBTHRESHOLD REPRODUCTION IN p+NUCLEUS

COLLISIONS, B. Ghosh, S.K. Kar 272

NEAR THRESHOLD PION PRODUCTION IN NN COLLISIONS: THE ROLE OF

HEAVY MESON EXCHANGE, R. Shyam 274

*l PRODUCTION IN pp COLLISIONS, B.K. Jain and A.B. Santra 276

RHO PRODUCTION IN p-12C COLLISION, Swapan Das, B.K. Jain and

A.B. Santra 278

DISAPPEARANCE OF FLOW IN Ne+Al COLLISION AT INTERMEDIATE

ENERGIES, Rajeev K. Puri, Suneel Kumar and Joerg Aichelin 280

HEAVY ION COLLISION AND THE NUCLEON-NUCLEON CROSS-SECTION,

Rajeev K. Puri, Suneel Kumar, M.K. Sharma and J. Aichelin 282

STUDY OF THERMAL PROPERTIES IN AU-AU COLLISIONS AT INTERMEDIATE

ENERGIES, Rajeev K. Puri, Manoj K. Sharma, J. Aichelin and

R.K. Gupta 284

HIGH ENERGY DISINTEGRATION OF SILVER AND BROMINE NUCLEI,

K. Goswami, T.D. Goswami 286

PARTIAL CROSS SECTIONS AND FACTORIZATION IN HEAVY ION REACTIONS

IN THE GeV ENERGY REGION, V. Singh, P. Roy, B.K. Singh,I.D. Ojha and S.K.Tuli 288

MULTIPLICITIES OF SECONDARY HADRONS PRODUCED IN if (V)- NEON

INTERACTIONS, S.S. Sambyal, N.K. Rao, V.K. Gupta and S.K. Badyal 290

5. RELATIVISTIC NUCLEAR COLLISIONS AND QUARK-GLUON PHASE

Oral Presentation

PRE-EQUILIBRIUM EVOLUTION AND SIGNALS OF QUARK GLUON PLASMA,Jan-e-Alam, Pradip Roy, Sourav Sarkar, S.ibaji Raha, Bikash Sinha 294

CHEMICAL EQUILIBRATION OF AN EXPANDING QUARK-GLUON PLASMA,Dinesh Kumar Srivastava, Munshi Golam Mustafa and Berndt Muller 296

RATIO OF THE THERMAL DILEPTON YIELD AS A PROBE FOR QUARK GLUON

PHASE TRANSITION, A.K. Mohanty, R.K. Choudhury and S.S. Kapoor 298

SIMULATION OF EVENTS WITH DISORIENTED CHIRAL CONDENSATE (DCC),Subhasis Chattopadhyay, D.S. Mukhopadhyay and Y.P. Viyogi 300

Poster Presentation

SPHEROID SHAPED STRANGELETS AT FINITE TEMPERATURE, A. Ansari and

M.G. Mustafa 302

ON THE CONDITIONS OF DEN8ITY AND THERMALISATION OF NUCLEAR

MATTER FOR TRANSITION INTO QGP, V. Kumar, Anuradha Ganesan,

B.Singh, H.S.Palsania, R.Raniwala, K.B. Bhalla and S. Lokanathan 304

FROZEN MOTION MODEL AND DILEPTON PRODUCTION FROM 200A GOV S + W

COLLISIONS AT CERN, A.K. Chaudhuri 306

QUEST FOR DECONFINED QUARK PHASE : A NEW AVENUE,V.S. Uma Maheswari and L. Satpathy

'

308

CHARGED PARTICLE MULTIPLICITY IN RELATIVISTIC HEAVY ION

COLLISIONS ! A HARMONIC ANALYSIS APPROACH, Asok Saha 310

ESTIMATION OF TOTAL CHARGE CHANGING CROSS-SECTIONS OF ULTRA

HEAVY NUCLEI IN LOW Z TARGET USING CR 39, D.P. Bhattacharyya,S. Saha, B. Basu and P. Pal 312

ANGULAR CHARACTERISTICS OF RELATIVISTIC CHARGED PARTICLES IN

CENTRAL X2C-AgBr INTERACTIONS AT 4.5 A GeV/C, Prithipal Singh,Sk. Sarfaraz Ali, M. Saleem Khan and H. Khushnood 314

SOME RESULTS ON COMPOUND MULTIPLICITY IN CENTRAL X2C-AgBrINTERACTIONS AT 4.5 A GeV/o., Sk. Sarfaraz Ali, Prithipal Singh,M. Saleem Khan and H. Khushnood 316

GENERALIZED HYBRID DERIVATIVE COUPLING MODEL WITH DILATON FIELD

TO STUDY PHASE TRANSITION FROM HADRONIC MATTER TO QUARK MATTER,Binay Malakar and Sasabindu Sarkar 318

EFFECT OF COLOUR SINGLETNESS OF QUARK-GLUON PLA8MA IN QUARK-HADRON PHASE TRANSITION, Munshi Golam Mustafa, Dinesh Kumar

Srivastava and Bikash Sinha 320

LARGE MASS DIPHOTONS AND DILEPTONS FROM RELATIVISTIC HEAVY ION

COLLISIONS, Sourav Sarkar, Dinesh Kumar Srivastava,Bikash sinha, Pradip Roy and Dipali Pal 322

SOFT ELECTROMAGNETIC RADIATIONS FROM RELATIVISTIC HEAVY ION

COLLISIONS, Dipali Pal, Pradip Kumar Roy, Sourav Sarkar,Dinesh Kumar Srivastava and Bikash Sinha 324

DISSIPATIVE EFFECTS IN PHOTON DIAGNOSTICS OF QUARK GLUON PLASMA,Pradip Roy, Sourav sarkar, Jane Alam, Sibaji Raha, Bikash Sinha 326STUDY OF FACTORIAL MOMENTS OF THE PSEUDORAPIDITY DISTRIBUTION OF

THE PHOTONS FROM Pb + Pb CENTRAL COLLISIONS AT 158 AGeV ENERGY,Debsankar Mukhopadhyay, Y.P. Viyogi and WA98 Collaboration 328

A NOVEL WAY TO IDENTIFY EXOTIC EVENTS IN ULTRA-RELATIVI8TICHEAVY-ION COLLISIONS, Arun C Das and Y.P. Viyogi 330

6. HADRONIC STRUCTURE AND INTERACTIONS

Oral Presentation

OCTET-DECUPLET BARYONS IN OPEN FLAVOURS USING RELATIVISTIC

HARMONIC CONFINEMENT, Jignesh N. Pandya and P.C Vinodkumar 334

Poster presentation

AN EXTENDED SKYRME MODEL WITH A NEW SIXTH ORDER TERM,Rajesh Kumar and P.K. Chattopadhyay 336

GROUND STATE MASSES OF MESONS IN THE FRAME WORK OF RELATIVISTICHARMONIC MODEL, K.B. Vijaya Kumar, A.K. Rath and S.B. Khadkikar 338SPIN OBSERVABLES OF THE NN INTERACTION IN A RELATIVISTICHARMONIC MODEL, K.B. Vijaya Kumar and S.B. Khadkikar 340

SU(4) MIXING SCHEME OF IJ - V Ho" WITH DECAY CONSTANTS,M. Nandy and V.P. Gautam 342AN ANALYTICAL EXPRESSION FOR THE A-NUCLEU8. POTENTIAL IN THEFOLDING MODEL FOR A FINITE RANGE OF THE A-NUCLEON FORCE,Nasra. Neelofer, M.Z. Rahman Khan, M.A. Suhail 344SYMMETRY BREAKING IN NUCLEAR MATTER AND p - O) MIXING,Abhee K. Dutt-Majumdar '

346

7. NUCLEAR MATTER AND EQUATION OF STATE

Oral Presentation

ISOSPIN LATTICE GAS MODEL AND NUCLEAR-MATTER PHASE DIAGRAM ANDPRESSURE-VOLUME ISOTHERMS, S.Ray, J.Shamanna and T.T.S. Kuo 3508UPERLUMINOSITY AND EQUATION OF STATE OF NUCLEAR MATTER,T.R. Routray, B. Behera and R.K. Satpathy 352

Poster presentation

VECTOR MESONS IN ASYMMETRIC NUCLEAR MATTER,Abhee K. Dutta-Majumdar 354

RING-DIAGRAM CALCULATIONS FOR ASYMMETRIC NUCLEAR MATTER,J. Shamanna, T.T.S. Kuo and Subhankar Ray 356

8. NUCLEAR ASTROPHYSICS

Oral Presentation

SHELL-QUENCHING IN R-PROCESS NUCLIDIC ABUNDANCES, R.C Nayak,J.M. Pearson and S. Gorielly 360

Poster Presentation

CONTINUUM ELECTRON CAPTURE RATE OF 7Be, Parnika Das, A. Ray,S.K. Das, S.K. Saha and B. Sethi 362RELATIVISTIC EQUATION OF STATE FOR NEUTRON STAR, R. Dutta andS.K, Chowdhury

'

3 64

9. ACCELERATORS AND NUCLEAR INSTRUMENTATION

Oral Presentation

THE RADIOACTIVE ION BEAM FACILITY AT VECC,VECC-SINP-RIKEN Collaboration 366

IN-BEAM TESTS WITH THE PROTOTYPE MODULE OF THE SUPERCONDUCTING

LINAC BOOSTER, R.G. Pillay, M.P. Kurup, M.K. Pandey,B. Srinivasan and M.G. Betigeri 368

HIRA-GDA COMBINED FACILITY AT NSC FOR HIGH SPIN SPECTROSCOPY OF

WEAKLY POPULATED NUCLEI, N. Madhavan, s. Muralithar, A.K. Sinha,R.K. Bhowmik, J.J. Das, D.O. Kataria, P. Sugathan, R.P. Singh,R. Singh and P. Mukhefji 370A METHOD FOR COMPACTION OF LARGE TWO-DIMENSIONAL SPECTRA,A. Chatterjee 372

PATTERN RECOGNITION FOR PHENIX MUON ARMS, D. Dutta,A.K. Mohanty and R.K. Choudhury 374

Poster presentation

SIMPLE DESIGN OF SEXTUPOLE MAGNETS WITH CIRCULAR POLE FACES4P.R. Sarma and R.K. Bhandari 376

SHIELDING STUDY FOR INJECTION LINE OF SUPERCONDUCTING CYCLOTRON,M.H.Rashid, P.R. Sarma, D.K. Bose and R.K. Bhandari 378

DESIGN OF AN ECRIS FOR ONLINE PRODUCTION OF RI BEAMS FROMVEC-RIB FACILITY, V. Banerjee, Arup Bandyopadhyay,A. Chakrabarti, P. Ghosh, S. Bhattacharya, S. Chattopadhyay,A. Polley, T. Nakagawa, A. Goto and Y. Yano 380

9. ION OPTICS DESIGN MODIFICATIONS OF VECC-ISOL SYSTEM,

Arup Bandyopadhyay, V. Banerjee, A.Chakrabarti, S. Bhattacharya,

S. Chattopadhyay, A. Polley and P. Ghosh 382

10. THE DESIGN OF A LOW-fl RFQ LINAC FOR LOW q/A HEAVY-ION

ACCELERATION, A. Chakrabarti, V. Banerjee, Arup Bandyopadhyay,S.Bhattacharya, P.Ghosh, S.Chattopadhyay, A.Polley, J.Chowdhury,K.P. Basu, D. Guha, 0. Kamigaito, A. Goto and Y. Yano 384

11. ION BEAM BUNCHING EXPERIMENTS AT VECC ISOL SYSTEM,

Arup Bandyopadhyay, V.Banerjee, A.Chakrabarti, R.M.Nath,

M.D.Trivedi, G.C. Basak, T.K. De, S. Bhattacharya,S. Chattopadhyay, A. Polley and P. Ghosh 386

12. MULTIPLE-BEAM-CATHODE DEVELOPMENT AT BARC-TIFR PELLETRON

ACCELERATOR, S.C Sharma, R.M. Kale and A.K. Gupta 388

13. A NOVEL CONCEPT OF A READOUT SYSTEM FOR A SCINTILLATOR DETECTOR

ARRAY, M.R. Dutta Majumdar, Arun C Das and Y.P. Viyogi 390

14. DEVELOPMENT OF A MINI-ORANGE SPECTROMETER FOR CONVERSION

ELECTRON STUDY, N.R. Mishra, V. Chakravarty, S.N. Chintalapudi,S.S. Ghugre and D.L. Sastry 392

15. DEVELOPMENT OF ION-IMPLANTED DETECTORS, D. Sahoo, R. Prasad,A. Ray and R.V. Srikantiah 394

16. ROLE OF CATALYST TO IMPROVE THE GAS COUNTER PERFORMANCE,B. Behera, M. Satpathy, P. Basu and M.L. Chatterjee 3 96

17. STUDY OF THE CHARACTERISTICS OF A CLOVER DETECTOR, P.K. Joshi,H.C Jain and A.S. Medhi 398

18. MEASUREMENT OF THE RESPONSE OF A LARGE Hal DETECTOR TO 22 MeV

GAMMA RAYS, Indranil Mazumdar, D,0. Kataria, N. Madhavan,P. Sugathan, J.J. Das and A.K. Sinha 400

19. EFFECT OF DETECTOR CAPACITANCE AND GAIN VARIATION DUE TO

MECHANICAL TOLERANCE IN PHENIX MUOM TRACKING CHAMBERS,B.V. Dinesh 402

20. A PRE-SHOWER PHOTON MULTIPLICITY DETECTOR FOR ALICE,

Pradeep Sarin, Raghav Varma, Bikash Sinha and Y.P. Viyogi 404

21. THEORETICAL STUDIES ON SPIN DISTRIBUTIONS IN EXTERNAL ELECTRIC

AND MAGNETIC FIELDS, Swarnamala Sirsi 406

22. APPLICATION OF X0B (M,0t)7Li REACTION INDUCED BY THERMAL NEUTRONS

FOR DEPTH PROFILING, P.A. Dokhale,V.N. Bhoraskar and

P.R. Vijayaraghavan'

408

23. APPLICATION OF Li(p,f) NUCLEAR REACTION FOR A STUDY OF LITHIUM

DEPTH PROFILE IN DOPED TEFLON, S.J. Deepa, P.A. Dokhale and

V.N. Bhoraskar 410