DAE

SYMPOSIUM

ON

NUCLEAR PHYSICS

CONTRIBUTE!} PAPERS VOLUME 41B(1998)

BHABHA ATOMIC RESEARCH CENTRE

MUMBAI

DECEMBER 21 - 24,1998

Editor*

A. Cttatterjee

A. B. Santra

Organised by

DEPARTMENT OF ATOMIC ENERGY

GOVERNMENT OP INDIA

Contents

I Invited Talks 1

1.1 EXOTIC NUCLEI: PERSPECTIVE AND RECENT EXPERIMENTS,

C. Samanta 2

1.2 RELATIVISTIC MEAN FIELD DESCRIPTION OF NUCLEI IN THE

NEUTRON HALO REGION, Y. K. Gambhir'

3

1.3 NUCLEARSTRUCTURE AND DEFORMATION FROM PARTICLE

SPECTRA, I. M. Govil 4

1.4 MULTINUCLEON TRANSFER REACTIONS, M. G. Betigeri ... . 5

1.5 STUDY OF THE FISSION SURVIVAL OF HOT ROTATING NU¬

CLEI FOR PROBING THE FUSION FISSION DYNAMFCS, Ajil. K.

Sinha 6

1.6 AN UPDATE ON RESULTS FROM WA98 EXPERIMENT, D. P.

Mahapatra 7

1.7 ELECTROMAGNETIC RADIATION FROM HOT AND DENSE

HADRONIC MATTER, Jan-e Alam 8

1.8 CHEMICAL EVOLUTION OF STRONGLY MAGNETISED QUARKCORE OF A NEWBORN NEUTRON STAR, Tanusri Ghosh,Somenath Chakrabarty 9

1.9 NEUTRINO OSCILLATION : CURRENT STATUS AND FUTURE

PROSPECTS, Srubabati Goswami 10

1.10 WEAK DECAY OF HYPERNUCLEI: A STATUS REPORT,A. Ramos 11

1.11 NUCLEOSYNTHESIS - SOME PUZZLES, S. Rarnadurai 12

1.12 EXCLUSIVE STUDIES OF GDR IN EXCITED NUCLEI, Vandana

Nanal 13

1.13 FISSION FRAGMENT ANISOTROPIES IN HEAVY ION INDUCED

REACTIONS AT NEAR AND BELOW BARRIER ENERGIES, B. K.

Nayak 14

1.14 MECHANISM OF. IMFS EMISSION AND ROLE OF DE¬

FORMATION IN THE DECAY OF LIGHT NUCLEI, Chandana

Bhattacharya . . , 15

1.15 NUCLEAR STRUCTURE STUDIES IN THE MASS REGION

A = 70 - 80, P. Banerjee 16

1.16 RECENT DEVELOPMENTS IN NUCLEAR EXPERIMENTAL

TECHNIQUES, P. K. Joshi 17

1 Nuclear structure 19

1.1 DISAPPEARANCE OF NUCLEAR MAGICITY TOWARDS DRIP-

LINE, R. C. Nayak . . .• 20

1.2 LARGE MODEL-SPACE CALCULATION OF THE NUCLEAR

LEVEL DENSITY PARAMETER, B. K. Agrawal, S. K. Samaddar, J.

N. De, S. Shlomo 22

v

1.3 SECOND MOMENT OF SPIN DISTRIBUTION AND SHAPE

'

CHANGES 'IN HOT ROTATING NUCLEI, M. Rajasekaran, D. Caleb

Chanthi Raj,

.•

'

• • *24

1.4 MULTI-QUASIPAltTJCLE BAND IN ,2&F, iiariprakash Sharma, B.

Sethi, Ranjana Goswami, P. Banerjee, R. K. Bhandari, Jalian Singh .26

1.5 LIFETIME MEASUREMENTS OF EXCITED STATES IN "As, •

Tayeb Kakavand, M. Hajivaiieli, K. P. Singh, I. M. Govil 28

1.6 ENERGY STAGGERING IN GAMMA BAND..A. K. Kavathekar, J.

B. Gupta .-'.: ....'...., 30

1.7 ELECTRICQUADRUPOLEMOMENTMEASUREMENTSOFTIIE'

.

9/2 AND 21/2 ISOMERS IN 173Ta, P. Thakur, A. K. Bhati, S. C. Bedi,

R. K. Bhowmik, S. Muralithar, R. P. Singh 32

1.8 BAND STRUCTURE IN 77Kr, K. C. Tripathy.'R, Salni 34.

1.9 HIGH SPIN STATESilN 131Cs, Rajesh Kumar, D.Mehta, Nirmal Singh;"

H. Kaur, ~ P. N: Trehan, S. Chmel,1 A. Goeigen, R.P.Singh, S;

Muralithar * r . ".<'<•< - 36

1.10 ROLE OFOCTUPO'L'E-OCTUPOLE INTERACTION IN NEUTRO.N

RICH 108-1,4Pd ISOTOPES, Arti Pandoh, Rani Devi, S. K. Khosfe ; 38

1.11 HIGH SPIN ROTATIONAL BANDS IN 7°As, G. Mukherjeej B.

Mukherjee, P. Joshi, S. N. Roy, S. Datta, R. P. Singh, S. Muralithar,A. K. Pande, L. Chaturvedi, S. L. Gupta, S. C. Pahcholi, G. Shankar,

S. K. Katoch, R. K. Bhowmik 40

1.12 MODEL OF SPREADING WIDTH OF COLLECTIVE STATES,Sudhir R. Jain 42

1.13 ELECTROMAGNETIC PROPERTIES OF EVEN MASS BARIUM

ISOTOPES, S. P. Sai-swat, Arun Bharti, S. K. Khosa 44

1.14 THE DESCRIPTION OF ll8Xe IN IBA-1, Bir Singh Rawat, P. K.

Chattopadhyay 46

1.15 PENETRATION THEORY FOR PROTON EMISSION, G.'

Shanmugam, S. I. A. Philomin Raj, J. Jebasingh Kores 48

1.16 ROLE OF 3 - DIM. ORBITS IN SUPERDEFORMATION, Sham S.

Malik, M. Dudeja, Ashok Kumar Jain 50

1.17 PARITY OF BAND HEAD AT 3710 KeV IN "Rh USING CLOVER

DETECTOR AS COMPTON POLARIMETER, R. Palit, H. C. Jain,P. K. Joshi, S. Nagaraj, B. V. T. Rao, S. N. Chintalapucli, S.

S. Ghugre 52

1.18 MULTI-CLUSTER STRUCTURE OF HIGHLY EXCITED STATES

IN 24Mg, M. Ho, Y. Sakuragi, Y. Hirabayashi, Y. Abe 54

1.19 STUDY OF LEVELS IN 71Ge, Tayeb Kakavand, K; P. Singh, J. M.

Govil 56

1.20 STUDIES OF K-iELECTRON CAPTURE PROBABILITIES, N. R.

Mishra, M. V. S.,Chandra Sekhar Rao, G. Satyanarayana, D.L. Sastry,S. N. Chintalapudi 58

1.21 ANOMALOUS K-CONVERSION IN I31Cs y-TRANSITlON, C. C.

Dey, B. K. Sinha 60

vi

1.22 LEVEL STRUCTURE OF MCu, A. K. Singh, G. Gangopadhyay, D.

Banerjee, R. Bhattacharya, R. K. Bhowmik, S. Muralithar, R. P. Singh,'A. Mukherjee, U. Datta Prainanik, A. Goswami, S. Chattopadhyay, S.

Bhattacharya, B. Dasmahapatra, S. Sen 62

1.23 HIGH SPIN LEVEL STRUCTURE OF "Pd.S. R. Kore.S. K.Tandel,S. B. Patel, S. Muralithar, R. P. Singh, R. K. Bhowmik 64

1.24 HIGH SPIN STRUCTURE OF N=40 NUCLEI, 76Kr AND 7"Se, G.

Mukherjee, P. Joshi, S. N. Roy, S. Datta, R. P. Singh, S. Muralithar,R. K. Bhowmik 66

1.25 CONFIGURATION DEPENDENT DEFORMATION IN ,83Au, P.

Joshi, G. Mukherjee, A. Kumar, R. P. Singh, S. Muralithar, R. K.

Bhowmik, I. M. Govil 68

1.26 GAMMA SOFTNESS IN 78Kr, P. K. Joshi, R. Palit; H. C. Jain, S.

Nagaraj, J. A. Sheikh 701.27 SYSTEMATICS OF SIGNATURE DEPENDENCE IN A/ = 2,

1 E2 TRANSITION IN RARE EARTH NUCLEI, A. K. Rath,C. R. Praharaj 'j ; 72

1.28 STUDY OF TWO PHONON tt BANDS IN 158-164Dy, J- B. Gupta,' "'

A. K. Kavathekar '" 74~1.29 BAND STRUCTURE OF 162Er IN IBM-1, A. K. Kavathekar, J. B.

Gupta 76

1.30 SINGLE PARTICLE AND COLLECTIVE EXCITATIONS IN ,03Rh,M. Sainath, K. Venkataramaniah 78

1.31 MIXING RATIOS AND B(E2) VALUES OF TRANSITIONS IN l25Te,"M. Sainath, K. Venkataramaniah, K. L. Narasimhan 80

1.32 B(E2) RATIO OF GAMMA-VIBRATIONAL BAND IN EVEN DE¬

FORMED NUCLEI, A. K. Varshney, K. K. Gupta, V. K. Dutta, D.

K. Gupta 82

1.33 EVIDENCE ON TRIAXIALITY IN n«,»«.»°Sm NUCLEI, A. K.

Varshney, V. K. Datta, D. K. Gupta, K. K. Gupta 84

1.34 THE ROLE OF CRANKING FREQUENCY IN THE GENERATION

OF ANGULAR MOMENTUM IN ISOSPIN FORMALISM FOR NU¬

CLEI AROUND A=90, A. Mphamed Akbar, S. Veeraraghayjm, N.

Arunachalam 86

1.35 A STUDY OF STRUCTURAL PROPERTIES OF NEUTRON RICH

AND NEUTRON DEFICIENT Zr NUCLEI, S. Veeraraghavan, A.

Mohamed Akbar, N. Arunachalam 88

1.36 BREAKING OF SYMMETRY IN EVEN-EVEN XENON ISOTOPES,Arun Bharti, S. P. Sarswat, S. K. Khosa 90

1.37 RELATIONSHIP OF PLANER ORBITS WITH THE GROSS-SHELL

STRUCTURE, M. Dudeja, Sham S. Malik, Ashok K. Jain 92

1.38 A/ = 2 STAGGERING IN SUPERDEFORMED BANDS AND NON¬

LINEAR FEATURES IN THE PARTICLE ROTOR MODEL,M. Dudeja, Ashok K. Jain, Sham S. Malik, Zafar Ahmed

.......94

1.39 A/= 2 STAGGERING IN NON-YRAST BANDS FROM THE

PARTICLE-RO'IOH MODEL, Amita, Ashok K. Jain 96

vii

1.40 CLUSTERISATION IN ROTATING NUCLEUS 24Mg, G. Shanmugam,

G. Alpheus Benjamitt, V. Ramasubramanian 98

1.41 GIANT DIPOLE RESONANCE AS A PROBE FOR DETECTING

JACOBI TRANSITION IN THE ZIRCONIUM ISOTOPES, G. Shan¬

mugam, P. Arumugarn, V. Ramasubramanian 100

1.42 DETECTION OF OBLATE K-ISOMERS IN THE fp SHELL NU¬

CLEI, G. Shanmugam, V. Ramasubramanian, P. Anni© Jayamala, 5.

N. Chintalapudi 102

1.43 APPLICATIONS OF THE NEW SUM RULES TECHNIQUES TO

TRANSFER REACTIONS ON TARGET STATES IN THE f-p NU¬

CLEI, H. Sharda, B. K. Bansal, Ashwini Kumar 104

1.44 OFF-STABILITY CLOSED SHELL l00Sn, l**Sn ,T6Sn, C. R.

Praharaj, S. K. Patra 106

1.45 HIGH SPIN BAND STRUCTURE OF 1770s, C. R. PrahaTaj 108

1.46 ENERGY LEVELS OF A DRIP-LINE NUCLEUS 98/n, C. R. Pra¬

haraj, P. Van Isacker 110

1.47 CUBIC TERMS FROM GASIMIR INVARIANTS IN IBM, Ramesh

Kumar, P. K. Chattopaclhy*y 112

1.48 STUDY OF MULT1PHONON BANDS OF 150Sm USING IBM-1, Sa-

tendra Sharma 114

1.49 VARIATION OF SURFACE TENSION CONSTANT WITH TEM¬

PERATURE IN l60,

P. Ali Periyanayaki, M. Balasubramaniam, N.

Arunachalam 116

1.50 FERMI ENERGY AS A FUNCTION OF SPIN AND TEMPERA¬

TURE IN 1MLu, M. Balasubramaniam, N. Arunachalam 118

1.51 N1/3 - DEPENDENCE OF NUCLEAR EXTENSION PARAMETER,I. Ahmad, M. A. Abdulmomen, J.H. Madani 120

1.52 THE RELATIVrSTIC MEAN FIELD DESCRIPTION OF ISOTOPIC

SHIFTS IN ODD-A BMSOTOPES, Y. K. Gambhir, J. P. Maharana.

122

1.53 GENERALIZED BETHE FORMULA (GBF) AND STATE DENSITY

CALCULATIONS FOR DEFORMED NUCLEI, Kinnary Patel, Mukesh

Deaai, V.Potbhare J24

1.54 SYSTEMATICSOF AVERAGE P-WAVE RADIATIVE WIDTHS, G.

C. Josiii, H. M. Agrawa) 126

1.55 PARITY PROJECTED LEVEL DENSITY FOR »°Sn, HariprakashSharma, B. K. Agrnwal 128

Low and medium energy nuclear reactions 131

2.1 DISTRIBUTION OF EVAPORATION BARRIER HEIGHTS, BencyJohn, R. K. Choudhury 132

2.2 BARRIER DISTRIBUTION FOR 37CI + ,,6Sn THROUGH PRECI¬

SION FUSION CROSS SECTION AND 180 DEGREE QUASI ELAS¬

TIC MEASUREMENT, Vandana Tripathi, Lagy T. Baby, P.V. Marf-

husudhaua Rao, S.K. Hui, R. Singh, J.J. Das, P. Sugathan, N. Mad-

hayan, A.K, Sioha 134

viii

2.3 EVAPORATION OF LIGHT CHARGED PARTICLE FROM 31P NU¬

CLEUS, D. Bandyopadhyay, S. K. Basil, C. Bhattacharya, S. Bliat-

tacharya, K. Krishan, A. Chatterjee, S. Kailas, A. Shrivastava, K. Ma-

hata 136

2.4 ANGULAR DISTRIBUTION OF PRE-EQUILIBRIUM NUCLEONS

IN HEAVY ION REACTIONS, Maitreyee Nandy, Sudip Ghosh, P. K.

Sarkar 1382.5 ASYMMETRIC PARABOLIC BARRIER MODEL FOR HEAVY ION

FUSION, B. Sahu, I. Jamir, E. F. P. Lyngdoh, C. S. Shastry 140

2.6 COUPLED REACTION CHANNEL CALCULATIONS FOR

THE ANALYSIS OF TRANSFER REACTION 56Fe(12C,X), II. S.Patel, B. Srinivasan, B. J. Roy, M. G. Betigeri 142

2.7 STRUCTURE INFORMATION FROM FUSION BARRIERS, S. V.

S. Sastry, A. K. Mohanty, A. Shrivastava 144

2.8 HEAVY ION REACTIONS IN 160 + 118Sn AROUND THE

COULOMB BARRIER, S. Saha, S. Mandal, M. B. Chatterjee, B. K.

Sinha, S. K. Datta 146

2.9 EMISSION OF X-RAYS FROM UNITED ATOM FORMED IN COM¬

POUND NUCLEAR REACTIONS, P. Sugathan, Lagy T. Baby, J.J.

Das, N. Madhavan, P.V. Madhusudliana Rao, N.V.S.V. Prasad, A.K.

Sinha, Vandana Tripathi, A.M. Vindokumar 148

2.10 EXCITATION FUNCTIONS OF EVAPORATION RESIDUES IN 1GO

-f 93Nb, Anil Sharma, B. Bindu Kumar, S. Mukherjee, S. Chakraharly,B. S. Tomar, A. Goswaini, S. B. Manohar 150

2.11 ASYMPTOTIC EXPANSION IN THE FISSION PROCESS, Asisli K.

Dhara, Sailajananda Bhattacharya, Kewal Krishan 152

2.12 STUDY OF a-CLUSTERING AT a-THRESHOLD OF lfi()USING (7Li,t) PROBE, T. Sinha, N. Majumdar, P. Bhatlacliarya,A. Chatterjee 154

2.13 PRE-F1SSION NEUTRON EMISSION IN 12C + 194-l98Pt SYSTEMS,A. Chatterjee, A. Shrivastava, S, Kailas, P. Singh, K. Mahata, It. K.

Choudhury, A. Saxena, L. M. Pant, R. Palit, H. C. Jain 156

2.14 SHELL EFFECTS IN FISSION FRAGMENT ANISOTROPIES FOR

,9F + iM.>*»pt SYSTEMS, A. Shrivastava, S. Kailas, A. Chattt-ijoi-,P. Singh, S. Santra, K. Maliata, B. S. Tomar 158

2.15 OPTICAL MODEL AND POLARISATION POTENTIAL FOR l2C

+ 208Pb SYSTEM, S. Santra, P. Singh, S. Kailas, A. Chatterje.-, A.

Shrivastava, K. Mahata 160

2.16 DOUBLE BETA DECAY : POTENTIAL PROBLEM OF FUTURE,P. K. Raina, P. K. Rath, R. M. Dixit, S. K. Dhiman 162

2.17 DISSOCIATION OF Hfl, VA-lsC WITHIN DIRECT FRAGMENTA¬

TION MODEL SCHEME, Raiuendra Nath Majumdar 164

2.18 POSSIBLE DISINTEGRATION FROM SOME INTERMEDI¬

ATE CLUSTERS, Suhir Sarkar, B. Bliattacharjee, T- D. GoswHini,

K. Goswami,....,...

166

ix

2.19 CHANGE OF DECAY RATE OF 7Be IN DIFFERENT MATERIAL

MEDIA AND ITS IMPLICATIONS, Pamika Das, A. Ray, S. K. Das,S. K Sana, B. Sethi 168

2.20 ALPHA PARTICLE INDUCED EXCITATION FUNCTIONS WITH

PR-141,N. P. M. Sathik, M. Afzal Ansari, M. Ismail, M. H. Rashid

. 170

2.21 ALPHA INDUCED REACTIONS ON NIOBIUM, A. K. Choubey, 1.

A. Rizvi 172

2.22 INVESTIGATION OF ALPHA PARTICLE INDUCED REACTIONS

ON RHODIUM, M. S. Gadkari, D. J. Shah, N. L. Singh, S. N. Chin-

talapudi 174

2.23 SEMICLASS1CAL AND QUANTUM MECHANICAL ANALYSIS OF

EXCITATION FUNCTIONS FOR SOME PROTON INDUCED RE¬

ACTIONS IN NATURAL NJCKEL, M. M. Musthafa, B. P. Singh,Sutiita Gupta, R. Prasad 176

2.24 BREAKUP REACTION WITH 42 MeV 7Li PROJECTILE ON. 58Ni,Dhruba Gupta, C. Samanta, R. Kanungo, M. Sharan, S. Kailas, A.

Chatterjee, K. Mahata, A. Shrivastava 1782.25 APPLICATION OF CLUSTER FOLDING MODEL (CFM) IN

,2C(7Li,t) 160 REACTION AT EiLi = 35,40,45,50 MeV, T. Sinha, N.

Majumdar, P. Bhattacharya, A. Chatterjee< .

1802.26 MEASUREMENT OF 7Li BREAK-UP REACTION USING A LARGE

AREA Si STRIP DETECTOR TELESCOPE ARRANGEMENT, T.

Madhusoodhanan, Samit Mandal, Bivash R. Behera, M. P. Sathya-vathiamma, N. G. Puttaswamy, Ramani, T. S. Mudhole, R. Shyam, D.

K. Avasthi, S. K. Datta 1822.27 ON THE SINGLE PARTICLE STRENGTHS IN HEAVY NUCLEI

THROUGH {p,y) REACTIONS, D. R. Chakrabarty, V. M. Datar. .

1842.28 REPULSIVE SHORT RANGE a-a INTERACTION AND (a -2a)

ENHANCEMENT, Arun K. Jain 1862.29 MICROSCOPIC STUDY OF HEAVY ION FUSION DYNAMICS, R.

C. Mishra, K. C. Panda 1882.30 COMPLETE AND INCOMPLETE FUSION STUDIES IN

7Li- INDUCED REACTION ON 61V BY MEASUREMENT OF EX¬

CITATION FUNCTIONS AND RECOIL RANGES, M. Ismail, R. P.

Sharma 1902.31 ROLE OF SURFACE DIFFUSENESS IN FUSION BARRIERS,

Rashini Arora, Rajeev K. Puri, Raj K. Gupta 1922.32 APPLICATION OF GM FOR LOW ENERGY LIGHT IONS, E. M.

L. Buairi, D. G. Soanes, B. Lyngdoh, B. Jyrwa 194

2.33 FUSION MEASUREMENTS ON THE 35-37Cl + 89Y SYSTEMS ATSUB-BARRIER ENERGIES, K. G. Chhaya, R. G. Kulkarni, D. O.

Kataria, N. Madhavan, J. J. Das, P. Sugathan, A. K. Sinha, R. V.

Singh, V. R. Rao, A. M. Vinodkumar, L. T. Baby, V. Tripathi .... 1962.34 ELASTIC SCATTERING FROM VIBRATIONAL NUCLEI, S. Santra,

A. K. Mohanty, S. V. S. Sastry 198

2.35 FUSION BARRIER DISTRIBUTIONS FROM CRC CALCU¬

LATIONS, S. V. S. S'astry, S. Santra 200

2.36 A NEW EXPERIMENTAL TECHNIQUE FOR FUSION BARRIER

DISTRIBUTION THROUGH PRECISION FUSION CROSS

SECTION MEASUREMENTS, Lagy T. Baby, Vandana Tripathi, J. J.

Das, P. Sugathan, N. Madhavan, A. K. Sinha, M. C Radhakrishna,P. V. Madhusudhana Rao, N. V. S. V.. Prasad, S. K. Hui, A.

M. Vinodkumar 202

2.37 SUB-BARRIER FUSION CROSS SECTION AND SPIN DISTRIBU¬

TION STUDIES FOR 24Mg AND J8Si PROJECTILES ON tA*NdTARGET NUCLEUS, P. V. Madhusudhana Rao, N. R. Mishra, D.

L. Sastry, A. K. Sinha, J. J. Das, P. Sugathan, N. Madhavan, Lagy T.

Baby, Vandana Tripathi, Akhil Jhingan S. K. Hui, S. Muralithar, G.

Satyanarayana 204

2.38 INCOMPLETE FUSION : ONE OF THE—DOMINANT"

MECHANISMS IN THE INTERACTION OF ,2C WITH ,6SHo BE¬

LOW 7 MeV/NUCLEON, Sunita Gupta, B. P. Singh, M.M. Musthafa,H.D. Bhardwaj, D.K. Awasthi, R. Prasad 206

2.39 RECOIL RANGE DISTRIBUTION OF REACTION PROD¬

UCTS FORMED IN 12C + t69Tm, S. Chakrabarty, $. S. Tomar, A.

Goswami, G. K. Gubbi, S. B. Manohar, Anil Sharma, B. Bindukumar,S. Mukherjee 208

2.40 STUDY OF THE 58Ni+ 60N» SYSTEM, S. V.S. Sastry 210

2.41 MEASUREMENT OF FUSION CROSS-SECTION FOR 12C + 9:,NbSYSTEM AT E(,2C) = 40 AND 50 MeV, U. K. Pat, D. R. Chakrabarty,V. M. Datar, Suresh Kumar, E. T. Mirgule, H. H. Oza, A. Shrivastava,S. Kailas 212

2.42 FISSION FRAGMENT ANGULAR DISTRIBUTIONS FOR l9F +

1920s SYSTEM, K. Mahata, S. Kailas, A. Chatterjee, P. Singh, A.

Shrivastava, S. Santra, B. S. Tomar, S. Chakrabarty 214

2.43 /-DISTRIBUTIONS IN FUSION-FISSION REACTIONS FROM FIS¬

SION FRAGMENT SPIN MEASUREMENTS IN l2C, lfiO, "»F +

232Th AND 209Bi REACTIONS, D. V. Sbetty, R. K. Choudhury, B.

K. Nayak, D. M. Nadkarni, S. S. Kapoor 216

2.44 EMISSION ANGLE DEPENDENCE OF FRAGMENT SPIN AND

THE ROLE OF COLLECTIVE SPIN EXCITATIONS IN FISSION

PROCESS, D. V. Shetty, R. K. Choudhury, B. K. Nayak, D.M. Nad¬

karni, S. S. Kapoor , 218

2.45 MEASUREMENT OF NEUTRON MULTIPLICITIES IN THE FIS¬

SION OF ,9F + 232Th AND 19F + 2,,9Bi SYSTEMS, L. M. Pant,Alok Saxena, R. K. Choudhury, S. S. Kapoor, D. M. Nadkarni, D. C.

Biswas, B. K. Nayak, B. V. Dinesh, R. G. Thomas, A. Chatterjee, A.

Shrivaslava, D. V. Shetty, R. Palit, II. C. Jain, G. Viesti, G. Prule. .

220

XI

2.46 FISSION FRAGMENT ANISOTROPICS IN 10B, "IJ + 23aTh RE¬

ACTIONS, B. K. Nayak, R. G. Thomas, R. K. Choudhury, A. Saxena,

D. C. Biswas, D. M. Nadkarni, L. M. Pant, D. V. Shetty, R. Varma,

Shrabani Sinha, D. Umakant, S. S. Kapoqj •,. 222

2.47 EFFECT OF NUCLEAR LEVEL DENSITY ON HIGH ENERGY 7-

RAY EMISSION FROM THE FRAGMENTS PRODUCED IN THE

SPONTANEOUS FISSION OF 252Cf, D. C. Biswas, B. K. Nayak, M.

Cinausero, B. Fornal, G. Viesti, D. Bazzacco, M. DePoli, D. Fabris, E.

Fioretto, M. Lunardon, D. R. Napoli, G. Nebbia, G. Prete, C. A. Ur,G. Vedovato 224

2.48 FRAGMENT ANGULAR DISTRIBUTIONS OF I60 AND 19F + 209Bi

AT NEAR AND SUB-BARRIER ENERGIES, N. Majumdar, T. Sinha,P. Bhattacharya, D. C. Biswas, L. M. Pant, R. K. Choudhury, D. M.

Nadkarni, A. Saxena, R. G. Thomas 226

2.49 PHENOMENOLOG1CAL EFFECTIVE INTERACTION AND THE

MEAN FIELD IN NUCLEAR MATTER, T. R. Routray, B. Sahoo, B.

Behera, R. K. Satpathy 228

2.50 DETERMINATION OF CORRELATION MATRIX FOR A SIMPLE

SYSTEM, E. M. L. Buam, B. Lyngdoh, D. G. Soanes, B. Jyrwa . . .230

2.51 ON THE PHASE SHIFTS OF YUKAWA TYPE AND OTHER PO¬

TENTIALS, B. G. Sidharth, R. E. P. Koundinya 232

2.52 NUCLEON OPTICAL POTENTIAL IN BRUECKNER THEORY

AND THE EFFECTIVE MASS CORRECTION, S. M. Saliem,W. Haider 234

2.53 GENERATION OF SQUEEZED SPIN-1 STATES, Swarnamala Sirsi,K. S. Mallesh, A. R. Usha Devi 236

2.54 SEMICLASSICAL THEORY OF ONE-BODY DISSIPATION, Sudhir

R. Jain 238

2.55 INSTRUCTIVE S-WAVE PHASE SHIFTS : EXACT AND WKB,Zafar Ahmed

'

240

2.56 PHASE-SHIFT OF NEUTRON - ieO AND PROTON - 160 SCAT¬

TERING WITH THE SEPARABLE POTENTIAL IN 5,/3 STATE,Anjana Acharya 242

Physics with Radioactive Ion Beams 245

3.1 T = 0 PAIRS, SPECTRA AND B(E2)'s FOR HEAVY N ~ Z NUCLEI

IN A IBM-4 GROUP CHAIN WITH GOOD s, d AND sd BOSON

WIGWER SPIN ISOSPIN SU(4) ~ 0(6) SYMMETRIES,V. K.'B. Kota

'

.' 246

3.2 STRUCTURAL PROPERTIES OF GROUND AND EXCITED

STATES OF "Li BY SUPERSYMMETRIC VARIATIONAL

APPROACH, B. Chakrabarti, T. K. Das, S. N. Mukherjee 248

3.3 HYPERSPHERICAL THREE BODY CALCULATION FOR "LiWITH CORE-N POTENTIAL BY FOLDING NN INTERACTION,Sagar K. Datta, T. K. Das 250

Xtl

3.4 STUDY OF NUCLEAR BREAK-UP OF "Li, Rajesh Kharab, H. C.

Sharma 252

4 Intermediate energy nuclear reactions, sub and non-nucleouic de¬

grees of freedom 255

4.1 IN MEDIUM EFFECTS ON p-ui MIXING, Abhijit Bhattacharyya .256

4.2 MULTIFRAGMENTATION AND ITS DEPENDENCE ON THE

MASSES OF COLLIDING NUCLEI, Jaivir Singh, Suneel Kumar,

Rajeev K. Puri 258

4.3 INCISIVE SPIN PHYSICS TESTS OF THE WOLFENSTEIN-

GERSTEIN ANOMALY, G. Ratnachandran, S. Prasanna Kumar,P. N. Deepak 260

4.4 THERMODYNAMICS OF A HADRON GAS USING STATES PRE¬

DICTED FROM k-DEFORMED POINCARE ALGEBRA, Jislmu Dey,Siddhartha Bhowmick, Kanad Ray, Subliarthi Ray 262

4.5 NON CENTRAL INTERACTIONS IN np SCATTERING, G. Ra-

rnachandran, P. N. Deepak » 264

4.6 A SIMPLE COORDINATE SPACE APPROACH TO STUDY THE

6He HYPERNUCLEUS, S. Mahapatra, J. Nag, D. P. Sural, S. N.

Mukherjee 266

4.7 INVESTIGATION OF EXOTIC j^lle HYPERNUCLEI BY THE HY-

PERSPHERICAL THREE BODY METHOD, Md. Abdul Khan, T.

K. Das 268

4.8 A PHENOMENOLOG1CAL STUDY OF A CHARGE-SYMMETRY-BREAKING COMPONENT IN AN INTERACTION

,N. Neelofer,

M. Z. Rahaman Khan, M. A. Suhail 270

4.9 RELATIVISTIC ANALYSIS OF THE NUCLEAR DENSITIES AT

INTERMEDIATE ENER.GIES,M. A. Suhail, N. Neelofer 272

4.10 DOES MULTI FRAGMENTATION DEPEND ON EQUATION OF

STATE?, Suneel Kumar, Rajeev K. Puri 274

4.11 THE STABILITY OF FRAGMENTS PRODUCED IN A

SIMULATION OF HEAVY ION COLLISIONS, Suneel Kumar,

Rajeev K. Puri 276

4.12 NEUTRINO ABSORPTION CROSS-SECTIONS IN 160 AND 40Ar,

S. K. Singh, M. Sajjad Athar 278

4.13 MAJORON EMISSION IN NEUTRINOLESS DOUBLE BETA DE¬

CAYS, B. M. Dixit, K. Chaturvedi, S. K. Dhiman, P. K. Raina, P. K.

Rath 280

4.14 t> PRODUCTION STUDIES VIA THE REACTION d(p,3He), B. J.

Roy, A. Chatterjee, M. G. Betigeri 282

4.15 THE p d -» 3He q REACTION, 13. K. Jain, A. B. Santra 284

4.16 RESONANCES IN COHERENT p PRODUCTION, Swapan Das, B.

K. Jain 286

4.17 "He(f,r'p)3H RFACTION AND COLOR TRANSPARENCY PHE¬

NOMENON, A A tlstrani 288

xiu

4.18 PION DOUBLE CHARGE EXCHANGE WITHIN HEAVY BARYON

CHIRAL PERTURBATION THEORY (HBChPT) TO ONE LOOP,A. Misra 290

Relativistic nuclear collisions and QGP 293

5.1 THERMODYNAMICS OF QCD PLASMA AT HIGH TEMPERA¬

TURE, S. Arunagiri, P. R. Subrarnanian 294

5.2 PHOTONS FROM HOT AND DENSE HADRONIC MATTER, PradipRoy, Sourav Sarkar, Jan-e Alam, Bikash Sinha 296

5.3 SOFT ELECTROMAGNETIC RADIATIONS FROM EQUILIBRAT¬ING QUARK-GLUON PLASMA, Dipali Pal, Munsfei Golam Mustafa 298

5.4 SEARCH FOR DCC IN RELATIVISTIC HEAVY ION COLLISION

THROUGH EVENT SHAPE ANALYSIS, B. K. Nandi, G. C. Mishra,B. Mohanty, D. P. Mahapatra 300

5.5 EFFECT OF FRICTION ON DCC FORMATION, A. K. Chaudhuri.302

5.6 SOME RESULTS ON PERIPHERAL AND CENTRAL IN¬

TERACTIONS CAUSED BY 4.5 A GeV CARBON NUCLEI IN

NUCLEAR EMULSION, H. Khushnood, M. Saleem Khan, Sk.

Sarfaraz Ali, Mustafa Abdusalam Nasr, Prithipal Singh 3045.7 DEPENDENCE OF PSEUDORAPIDITY DISTRIBUTION ON THE

MULTIPLICITY OF SHOWER PARTICLES IN 12C-NUCLEUS COL¬

LISIONS AT 4.5 A GeV, Prithipal Singh, M. Saleem Khan, Sk.

Sarfaraz Ali, H. Khushnood 306

5.8 COMPOUND MULTIPLICITY CHARACTERISTICS AT 4.5

A GeV/c IN 28Si-EMULSION INTERACTIONS, Shaikh Sarfaraz Ali,M. Saleem Khan, H. Khushnood 308

5.9 INVESTIGATION ON THE EXOTIC PHENOMENA OB¬

SERVED IN 238U + 27AI INTERACTIONS, D. P. Bhattacharya,Basudhara Basu 310

5.10 HADRON LIKE MODELS IN THE PLASMA WITH AN INTERNAL

SYMMETRY, Munshi Golam Mustafa 3125.11 ENTROPY PRODUCTION IN THE QGP PHASE TRANSITION

WITH SUPERCOOLING IN VISCOUS HYDRODYNAMICS,P. Shukla, S. K. Gupta, A. K. Mohanty '..'... 314

5.12 LEPTON PAIR EMISSION FROM HOT AND DENSE HADRONICMATTER, Jan-e Alam, Sourav Sarkar, Pradip Roy, Biuayak Dutta-Roy, Bikash Sinha 316

5.13 DISTRIBUTION OF QUARK NUGGETS IN THE EARLYUNIVERSE, Abhijit Bhattacharyya, Jan-e Alam, Sourav Sarkar, PradipRoy, Bikash Sinha

.

3185.14 EFFECTS OF HIGHER ORDEJl GLUON MULTIPLICATION,ON

CHEMICAL EQUILIBRATION OF QUARK GLUQN PLASMA, D.,

Dutta, Kiran Kumar, A. K. Mohanty, R. K. Choudhury 3205.15 DISSIPATIVE EFFECT ON CHEMICAL EQUILIBRATION

OF QUARK GLUON PLASMA, K. Kumar, D. Dutta, A. K. Mohanty;R> K.-Chdudhury , ..*... 322

xiv

5.16 SEARCH FOR LOCALISED DCC IN Pb + Pb COLLISIONS AT

158.A GeV USING DWT TECHNIQUE, B. K. Natidi, T. K. Nayak,G. C. Mishra, D. P. Mahapatra, Y. P. Viyogi 324

5.17 RESULTS OF DCC SEARCH AT SPS, Debsankar Mukhopadhyay . .326

5.18 SYSTEMATICS OF PHOTON PRODUCTION IN Pb + Pb, Nb AND

Ni COLLISIONS AT 158 A GeV, G. C. Mishra, T. K. Nayak, B. K.

Nandi, D. P. Mahapatra, Y. P. Viyogi 328

5.19 STUDY OF AZIMUTHAL ANISOTROPY OF PHOTONS IN Pb +

Pb COLLISIONS AT CERN-SPS, G. C. Mishra, T. K. Nayak, B. K.

Nandi, D. P. Mahapatra, Y. P. Viyogi 330

5.20 SELECTION OF LOW PT PHOTONS USING A PRESIIOWER DE¬

TECTOR, Y. P. Viyogi 332

5.21 EVENT BY EVENT VARIATION OF < PT > OF PHOTONS IN Pb

+ Pb COLLISIONS AT 158 AGeV, Zubayer Ahammed 334

5.22 MULTIFRACTAL ANALYSIS OF PHOTON MULTIPLICITY DIS¬

TRIBUTIONS IN LEAD INDUCED REACTIONS AT 158 A GeV, P.

V. K. S. Baba, S. K. Badyal, A. Bhasin, S. Dutt, M. M. Farooq, V. K.

Gupta, L. K. Mangotra, N. K. Rao, S. S. Sambyal, T. II. Shah ....336

5.23 CONDITIONAL ENTROPY AND MUTUAL INFORMATION

IN PHOTON MULTIPLICITY PRODUCED IN Pb - Pb CENTRAL

INTERACTIONS AT 158 A GeV, P. V. K. S. Baba, S. K. Badyal, A.

Bhasin, S. Dutt, M. M. Farooq, V. K. Gupta, L. K. Mangotra, N. K.

Rao, S. S. Sambyal, T. II. Shah 338

5.24 ENTROPY CONTENT MULTIPLICITY DISTRIBUTION IN Pb IN¬

DUCED INTERACTIONS AT 158 A GeV, P. V. K. S. Baba, S. K.

Badyal, A. Bhasin, S. Dutt, M. M. Farooq, V. K. Gupta, L. K. Man¬

gotra, N. K. Rao, S. S. Sambyal, T. H. Shah 340

Hadrouic structure and interactions '" 343

6.1 PARTON DISTRIBUTIONS IN A STATISTICAL MODEL, N. G.

Kelkar, R. S. Bhalerao, B. Rain .'\ .? .-• 344

6.2 RESONANCE REGION ESTIMATION OF SPIN STRUCTURE

FUNCTIONS g\ AND gf, K. Ganesamurthy, M. Sathyamurthy ....346

6.3 THE PROTON STRUCTURE FUNCTION AT SMALL x, A. Kumar,

B. Ghosh :>.». 348

6.4 HEAVIER IIADRON MASSES IN FLAVOURED MODEL, S. B. L.

Sachan, C P. Singh 350

6.5 MAGNETIC MOMENTS OF HEAVIER BARYONS IN LIPKIN

MODEL, S. B. L. Sachan, C. P. Singh'

352

6.6 P-WAVE MASSES OF OPEN FLAVOUR MESONS FROM

A UNIFIED CONFINMENT SCHEME, Jignesh N. Pandya, P. C.

Vinodkumar ' - < • • •354

6.7 NON PERTURBATIVE EFFECTS THROUGH MEDIUM COEFFI¬

CIENTS FOR QUARK ATOMS AND HADRONIC ATOMS, Raghani

Pushpa, Jignesh Pandya, P. C. Vinodkumar 356

XV

Nuclear matter and equation of state 359

7.1 EQUATION OF STATE IN HEAVY ION COLLISIONS,P. K. Salui 360

7.2 LIQUID-GAS PHASE TRANSITION IN NUCLEAR SYSTEMS, C.

B. Das, L. Satpathy 362

7.3 EQUATION OF STATE OF FINITE NUCLEI AND LIQUID-GAS

PHASE TRANSITION, J. N. De, B. K. Agrawal, S. K. Samaddar. .

364

7.4 NUCLEAR TEMPERATURE ANOMALY IN MULTIFRAGMENTA¬

TION, B. K. Agrawal, S. K. Samaddar, Tapas Sil, J. N. De 366

7.5 PHASE TRANSITION AND NUCLEARSPECIFIC HEAT,G. Suresh,

T. R. Rajasekaran 368

Nuclear astrophysics 371

8.1 CHARGELESS, BETA-STABLE STRANGE STARS WITH REALIS¬

TIC INTERQUARK POTENTIAL, Mira Dey, Ignazio Bombaci, Jishnu

Dey, Subharthi Ray, B. C. Samanta 372

8.2 THE EFFECT OF NEUTRINO OSCILLATIONS ON THE DETEC¬

TION OF SUPERNOVA NEUTRINOS, Sandhya Choubey, Debasish

Majumdar, Kamales Kar 374

8.3 IS STRANGE PULSER A VIABLE OPTION?, Sushan Konar ...376

Accelerators and nuclear instrumentation 379

9".l MEASUREMENT OF CHARGE EXCHANGE CROSS SECTION

FOR HEAVY IONS USING CYCLOTRON, M. Dutta, V. S. Pandit. 380

9.2 CONVERSION ELECTRON SPECTROMETER : A FACILITY AT

THE NUCLEAR SCIENCE CENTRE, Nirmal Singh, D. Mehta, Ra-

jesh Kumar, 3. Goswamy, P. N. Trehan, R. P. Singh 382

9.3 FABRICATION AND TESTING OF 30CM X 30CM PROTOTYPE

CATHODE PAD CHAMBER WITH 350 GeV/c PIONS, P. Bhat¬

tacharya, S. Chattopadhyay, N. Majumdar, S. Bose, S. Sen, S. Sarkar,T. Sinha, A. Sanyal, P. Sen, B. C. Sinha, P. V. K. S. Baba, A.

K. Gupta 384

9.4 CHARACTERISTICS OF FIRST HEAVY-ION BEAM EXTRACTED

FROM VEC CALCUTTA, S.R. Banerjee, B.Sethi, HariprakashSha-rma, P. Y. Nabhiraj, C. MalHk, R. K. Bhandari, Bikash Sinha . . 386

9.5 MEASUREMENT OF THE TRANSVERS EMITTANCE FOR THE

NSCPfcLLETRON, G. Rodrigues, A. Mandal, S. Chopra, R. Joshi, S.

K. Datta, A. Roy 388

9.6 SINGLE GAP MULTI-HARMONIC BUNCHER FOR NSC

PELLETRON, A. Sarkar, S. Ghosh, P. Barua, R. Joshi, R. Ahuja, S.

Rao, R. Kumar, S. Chopra, S. Gargari, A. J. Malyadri,S. A. Krishnan,

D. Kanjilal, S. K. Datta, A. Roy, R. K. Bhowmik 390

9.7 DESIGN OF HIGH POWER WAVEGUIDE FOR 10 MeV, lOkW RF

ELECTRON LINAC, A. J. Dabeer, V. T. Ninije, R. C. Sethi .... 392

9.8 DESIGN AND DEVELOPMENT OF "SPHERICAL" QUADRUPOLEMAGNETOSTATIC TRAPPING FIELDS, A. P. Marathe, K, G.

Manohar, B N. Jagatap, S. G. Nakliate, S. A Ahmad, R. ('. Sethi 394

9.9 DESIGN OF LOW-NOISE HIGH-SPEED CMOS VLSI READOUT

CHIP FOR PARTICLE DETECTORS- A SIMULATION STUDY, S.

Sarkar, S. K. Sen 396

9.10 POLE PROFILE IN COMBINED FUNCTION MAGNETS, P.

R. Sarma, S. K. Pattanayak, R. K. Bhandari 398

9.11 NEUTRON DETECTOR ARRAYFOR IDENTIFICATION OF DIF¬

FERENT NEUTRON CHANNELS, R. Palit, H. C Jain, P. K. Joshi,

S. Nagaraj, H. V. Pandial, S. Bhattacharya, S. Chanda, S. K. Basu,M. B. Chatterjee 400

912 SUPERHEATED DROPS OF FREON-502 AND FREON-21 AS NEU¬

TRON DETECTOR, Mala Das, B. Roy, B. K. Chatterjee, S. C. Roy .402

9.13 CHARGED PARTICLE DETECTOR ARRAY FOR GDA OF NSC,S. Muralithar, R. P. Singh, G. Mukherjee, P. Joshi, S. Mandal, A.

Punithan, B. Sahu, A. Gupta, R. Ahuja, S. K. Saini, J. Zacharis, R.

Ram, R. K. Bhowmik 404

9.14 DEVELOPMENT OF A BRAGG CURVE SPECTROSCOPY DE¬

TECTOR, V. Vijay Kiran, P. Mahipal Rao, B. Krishnarajulu, C.

Nageshwara Rao 406

9.15 ANNULAR IONIZATION DETECTOR FOR BACK ANGLE QUASI-ELASTIC AND TRANSFER REACTION STUDIES, B. V. Dinesh, R.

V. Srikantiah, R. K. Choudhury 408

9.16 PULSE SHAPE DISCRIMINATION WITH SILICON DETECTORS

FOR IDENTIFICATION OF FISSION FRAGMENTS AND HEAVY

IONS, B. K. Nayak, E. T. Mirgule, R. K. Choudhury 410

9.17 FLUCTUATIONS IN THE TRANSVERSE ENERGY DEPOSITION

IN THE PMD AND CPV FOR THE ALICE EXPERIMENT, Neelam

Tyagi, R. Varma, Y. P. Viyogi, Tapan Nayak, S. Chattopadhyay . . .412

9.18 3-DIMENSlONAL STUDY OF THE GAS PIXEL ARRAY FOR THE

ALICE EXPERIMENTAL SET UP, Dhananjay Adhikari, R. Varma,

Y. P. Viyogi, G. S. N. Murthy, Tapan Nayak, S. Chattopadhyay ...414

9.19 THE STUDY OF CPV EFFICIENCY IN THE STAR EXPERIMENT,

Kshitiz Garg, R. Varma, Y. P. Viyogi, S. Chattopadhyay, Tapan Nayak,

G. S. N. Murthy 416

9.20 PERFORMANCE OF PROTOTYPE HONEYCOMB CELL GAS DE¬

TECTOR, M. M. Aggarwal, Z. Ahammed, P. V. K. S. Baba, S. Chat¬

topadhyay, M. R. Dutta Majumdar, D. P. Mahapatra, G. S. N. Murthy,T. Nayak, S. Ramnarayan, M. D. Trivedi, Y. P. Viyogi 418

9.21 ELECTRONICS FOR THE SINGLE-GAP MULTI-HARMONIC

BUNCHER, A. Sarkar, R. Kumar, A. Roy, R,K. Bhowmik, I. R.

Tilbrook, B. E. ClifTt 420

9.22 SINGLE HARMONIC BUNCHER FOR VEC, P. Y. Nabhiraj, D. K.

Bose, G. Pal, C. Mallik, K. V. Purushottam, R. K. Bhandari 422

9.23 NSC RADIOACTIVE ION BEAM FACILITY FOR NUCLEAR RE¬

ACTION STUDIES, J. J. Das, P. Sugathan, N. Madhavan, 0 Kumar,

T. Varughese, P. V. M. Rao, A. K. Sinha .

"

.424

xvii

9.24 A MULTIPLE-SAMPLE CESIUM SPUTTER NEGATIVE ION

SOURCE DEVELOPMENT AT BARC-TIFR PELLETRON

ACCELERATOR, S. C. Sharma, R. M. Kale, A.K.Gupta 426

9.25 STUDIES OF RF COUPLING EFFECTS ON v/2 MODE OF ELEC¬

TRON LINAC, V.T. Nimje, R. C. Sethi 428

9.26 A NEW METHODOF DESIGNING POLE PROFILE INSEXTUPOLE

MAGNETS, P. R. Sarma, R. K. Bhandari 430

9.27 PROGRAMMABLE MULTIPLE STEPPER MOTORCONTROLLER,

Q. N. Ansari, S. K. Sarkar 432

9.28 MAGNETIC FIELD OF SUPERCONDUCTING CYCLOTRON, M.

II. Rashid, R. K. Bhandari 434

9.29 TERMINAL CHARGE SELECTOR FOR HUD PELLETRON AC¬

CELERATOR FACILITY AT BARC-TIFR MUMBAI, P. Surendran,

P. V. Bhagwat, J. P. Nair, S. K. Gupta, R. G. Pillay, M. Y. Vaze. . .

436

9.30 THRESHOLDING EFFECTS ON DENOIS1NG NUCLEAR SPEC¬

TRA, Bindu Chandna, V. K. Madan 438

10 Theses 441

10.1 NUCLEAR STRUCTURE AT HIGH SPINS IN NEAR TRAN¬

SITIONAL NUCLEI IN THE A=80 AND 100 REGIONS,Sujit K. Tandel 442

10.2 STRUCTURAL PROPERTIES OF HOT DEFORMED 122Xe

ANDl24Ba AT HIGH SPINS USING STATISTICAL THEORY,K. Ilangovan

'

AAA

10.3 STRUCTURE OF EXCITED NUCLEI IN THE fp SHELL REGION

,V. Ramasubramanian

.446

10.4 SHAPE TRANSITION IN HOT ROTATING NUCLEI,V. Selvam

. . 448

10.5 CLUSTERIZATION AND MOLECULAR FORMATION IN HIGHLY

DEFORMED HOT ROTATING NUCLEI, G. Aipheus Benjamin . . . 450

10.6 Li-INDUCEDHEAVY ION HEACTIONS AT SUB-BARRIER ENER¬

GIES, A. Mukherjee 452

10.7 MICROSCOPIC NUCLEON OPTICAL POTENTIAL AT LOW ANDINTERMEDIATE ENERGIES, S. M. Saliem 454

10.8 STUDIES OF FRAGMENTSPIN DISTRIBUTIONS IN HEAVY ION

INDUCED FISSION REACTION, D. V. Shetty 456

10.9 STUDY OF EXCITATION FUNCTIONS FOR ALPHA INDUCED

REACTIONS IN SOME NUCLEI, N. P. M. Sathik 458

11 Author Index 461

JCviii