PH0CEEDIHG3 OP THEKUCLBAS. PHYSICS AKD SOLID STATE PHYSICS SYMPOSIUM'

BAHARAS HIHDU UNIVERSITY

TARAHASI, DECEMBER 27-31, 1982

TOIUME 25 BHUCLEAR PHYSICS

ORGANISED BY THE

DEPARTMENT OP ATOMIC ENERGYGOVERNMENT OP INDIA

O0HTENT8

£fiK£

SESSION NAi NUCLEAR STRUCTURB

Rotation-Alignment Effect in 198Hgby Angular Momentum Projection from

Hartree-Pock Intrinsic Statee j

S.B. Khadkikar and C.R, Praharaj. 1

Structure of the CollectiTe Bands

in 68Ge « R. Sahw and S.P.Pandya. 3

Onset of Large Deformation in Some

Highly Neutron-Rich Iootopee of Sr,Zr and Mo i G. Mukher.jee and

S.K. Shanna. 5

Does the Backbe-nding Anomaly Occur

in the Highly Neutron Rich Moly-bd*num Isotopes with A>100? j

P.N. Tripathl. S.K. Sharma and

S.K. Khooa. 7

SESSION NB x NUCLEARREACTIONS

Studies of Angular Momentum

Transfer in *°0 Induced Reactions

at 180 and 310 MeV t

R,K. ChoudhuTTi M.N. Namboodiri,J.B. Natowit*, M, Berlanger,L. Adler, R.P. Schmitt, I. Hageland S. Simon. 9

A Microscopic Theory of One-BodyDissipation in Heavy-Ion Colli¬

sions t Santanu Pal and

H.K. Ganguly. 11

Fragmentation Processes in HearyIon Reactions t L. Satpathy and

M. Satpathy. 15

Enhanced Fragment Emission in the

Heary Ion Induced Reaction t

M. Satpathy and B.M. Sahu. 16

»•

It

hss.

An Experimental Investigation on

the Coherence of Meson Field in

Heavy Ion Interaction ; Dipak

Ghosh, Jaya Roy, Dipak Benerjee,Kaushik Sengupta and Sadhcn Nflha. 18

Three Particle Correlation in

Nucleus-Nuclfus Interaction i

Dipak Ghosh, Jaya Roy, Sadhan

Nsha, Kaushik Sengupta, DipekBanerjee and ttadhunita Besu. 20

A New Observation on the Emission

of Black Fragments from AG(BR)Nuclei Bombarded with Heavy Ion :

Dinak Ghosh, Jaya Roy, Sadhant

Nana, Kaushik Sengupta, DipakBsnerjee and Tarit Guhathekurta. 22

SESSION NO t NUCLEAR STRUCTURE

Application of DPPQ Model to

Multi-Phonon Bands of Gd-156 s

J.B. Gupta. 24

B(E2, 2+-*-0+) Values of Even-EvenNuclei in the Week Coupling Limitof the Pseudo SU(3) Scheme :

K. Amrutaiah. 26

On the Coexistence of Sphericaland Deformed Shapes in the YrastBend of 186 Hg : S.K. Khosa,A.K. Tickoo and A.K. Peer. 28

Evidence of Triaxial Shape of

H8Sn> Nucleus : V.P. Varshney,S.N. Gaur, K.K. Gupta,A.K. Chaubey end D.K. Gupta. 30

High-Spin Yrpst Spectra in Some

Doubly-Even Krypton Isotopes jA Variational Approach :

P.N. Tripathi and S.K. Sherma.

Page

17. A Microscopio Study on the HighSpin Behavior of ER1g9 t

S. Sengupta and T.K. Das. 34

18. M1 Transition Matrix Elements in

the N1 Region t A Microscopic

Study in Terms of Various Pertur-

bative Diagrams t B. Ghosh,and S.K. Sharma. 36

19. M1 Strengths and Sum Rules in

Wigner'a Scheme : Kamales Kar. 38

20. Time Dependent Hartree Pock

Bogoliubov Equations for a

Solvable Model i B.M. Jyrwaand Y.S.T. Rao. 40

21. Unitary Group and its Applica¬tion to Hartree Pock ProjectedCalculations : R.S. Nikam,V.L. Narasimham and C.R. Sarma. 42

22. Dipole-Dipole Interaction Term

and Quasi-Rotational Bands inODD-A In and Sb Isotopes j

S. Bhattacharya, R.K. Guchhait

and S. Sen., 44

23. Strength of Quadrupole Inter¬

action s D. Bannerjee and

S.C, Nanda. 46

24. Spin Tensor Decomposition of

the Effective Interactions in

Truncated Space : M.L. Soni

and A.N. Mishra. 48

25. Effective Interactions ThroughDifferent Mass Regions t

K.P. Joshi and S.B. Welankar. 50

26. Calculation of the Levels ofNi Isotopes withX2N2 Term inthe Hamilton!an i Ram Raj. 52

IV

12£2.

Nuclear Surface Effects -

A New Approach s

M. Rajaeekaran, N. Arunaohalam

and V. Bevanathan. 54

How Core Polarization Affects

the Neutron an4 Proton Distri¬

bution in 208pb s"

R. Bbattaoharya. 56

Effect of Correlations in Muon

Capture by ^0 s V.N. Sridhar

and R. Par-*h#*ftratby. 5®

A Studv of the Neutral Current

Reaction % + t2C(O+:I=0) ->

12c*(1 + ;I=1, 15.WeV)+ V^l t

C. Prero Kumar Yeaudian,V.N. Sridhar and R. Parthasarathy. 60

Hyperspherieal Pormalism for

Photoe-ffeot of Alpha Partiole j

S. Sanyal and S.N. Mukherjee. 62

SESSION .ND ; NUCLEAR REACTIONS

Study of the 48Ca(d,«c )46KReaction at 22.8 MeV : CM. Bhat,N«G. Puttgawamy, H.T. Portune andJ hi. YfltemV. Tg

64

The Radiative Neutron CaptureCross-Sections for 5-1V ip MeV

Erjergy-B.e-gi on J M. fffcaS AnSftPi,

R.K. Yaisk-ul Singh, R.'L. Se-hgal,V.K. Mlttal, D,K. Aya^thi and

I.M. Go-vil. 66

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34. Isospin Characteristics of the

Excited States of "lr Throughthe Reaetion 32s(oc ,i ) 56Ar I

D.R. Ohakrabarty. M.A. Eswaran

and N.L. Ragoowansi. 68

35. Anomalous Shape of the Excitation

Function of V-51{<* t n)Mn-54Reaction : S. Singhal, N.I>. Singh,I. Chaturvedi and J. Rama Rao. 70

36. Study of Excitation Function of

Tm-169(<* ,xn) I»u 173-x Reactions,Using 30 MeV Alpha Particles :

N.L. Singh, S. Singhal,L. Chaturvedi and J. Rama Rao. 72

37. Neutron Angular Distributions in

Reactions Induced by 14 MeV

Neutrons : A. Chatterjee and

S.K. Gupta. 75

38. Resonant Wave Paoket and

Analytioity : Theory :

V.J. Menon and A.V. lagu, 78

39. Stripping to Unbound State

Calculations Using Normalisable

Resonant State t V.J. Menon,.A.V. Xagu, S. Pal and N.K.Ganguly. 80

40. An Improved Local Approximationto a Non-Local Potential for

Low Energy Protons « Y.P. Viyogi,D.K. Srivastava and N.K. Ganguly. 82

V. SESSION HE : NUCLEAR FORCES AND

NuOLiJAk MA'l'fEH

41. Nuclear Matter Calculations with

Paris Potential for Gap Choice

and Continuous Choice of Partiole

Spectrum t M.A. Matin, B.C.Sementa,M. Dey and J, Dey. 84

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42. A Relativists Model for

Hadrona i S.B. Khadklkar and

S.K. Gupta, 86

43. Parity Violating i M Couplingin Nuclei i Shoeo Abdullah andS.K. Singh. 88

VI. SESSION NF: EXPERIMENTAL TECHNIQUES

44. LSI-11/03 Based Control and

Acquisition System for a

Magnetic Spectrometer t

R.R. Hoaangdi, R.G. Pill ayand H.G. Devare. 90

45. Microprocessor Controlled DigitalMultiplexer with PUP-15 ComputerExtends PHA Facility from SingleParameter to Multiparameter(upto 8 Parameters) Mode j

D. Sarkar, C.K. Khasnabis and

N.K. Ganguly. 92

46. Response of Cellulose Nitrate

Plastic Detector to 8.75 MeV/No016-lon t S.M. Farid and

A.P. Sharraa. 94

13?47. Study of 54*® Ion Tracks in

Makrofol Polyoarbonate Track

Detector j S.M. Farid and

A.P. Sharma. 96

48. Study of Tracks of ChargedParticles in Cellit-T :

S. Kumar, J.S. Yadav,S. Chander and A.P. Sharma. 98

49. Use of 'Dissolved DetectorThickness' Instead of EtchingTime as a Variable in Glass

Solid State Nuclear TraokDetectorsi V.P. Singh 101

VII

l£BS.

50. A New Glass Slide for Neutron

Dosimetery ? Sudhir lunar and

D.S. Srlvastava. 103

51. Bulk Etching Rates of Cellulose

Nitrate Plastic Nuclear Track

Detector Under Different Gamma Dose

and at Different Temperatures

of Etching : NarayanBandyopadhyay, B. Chaudhuryand Ashim Kumar Ganguly. 106

520 Influence of Electric Field on

Track Recording Properties of

CA80-15 Cellulose Nitrate

Particle Deteotor t

S.K. Chakarvarti and

K.K, Nagpaul. 108

53. Riee Time of large Volume

Ge(Li) and N-type Intrinsic

Ge Detector at Low and High

Incident Photon Energies j

P. Bhattacharya and P.Banerjee. 111

54. Performances of Coiapton

Suppressed P-Type and N-TypeGe Gamma Detectors j

P. Mukherjee, P. Sen,I. Mukherjee and C.Samanta. 113

55. Drift Chamber for Accurate

Position Measurement for

Charged ParticleB :

H. Nendakumar Sarma and

D.M. Binnie. 115

56. Measurement of Specific EnergyLosses of Individual Fission

Fragments and the Determination

of Fragment Charge with a Back •

to Back AE-E Datector SystemtRekha Govil, S.S. Kapoor,D.M. Nadkarni, S.R.S. Murthy

and P.N. Rama Rao. 117

viii

Esss

57. Charged Particle AngularDistribution Using a

Particle Telescope j

S.C.L. Sharma, M.M. Sharma,A.K. Sinha and G.K. Mehta. 119

58. Neutron-Gamma Discrimination

with Optimum Pulse Shaping :

D.N. Basu, A. Banerjl,A.K. Chaudhuri, C.K. KhaBnabis,

G.S.N. Murthy,.S.K. Pardha

Saradhi, R.P. Sharma, M.D.Trivedi

Y.P. Viyogi and N.K. Ganguly. 121

59. Improving the Energy Resolution

by "Dispersion Matching" and

"Reduction of Kinematic

Broadening" t N..C. Bhattacharya. 123

60. Scattering Experiments with VEC

Beam : T.K. De, B.B. Baligaand R. Bhattacharya. 125

61. SSNTD Experiments with VEC

Alpha Beam i Preliminary

Results : B. Chaudhury and

Ashira Kumar Ganguly. 127

62. An Experimental Setup for in

Beam Gamma Ray Spectroscopyand Life Time Measurements at

VEC j P. Bsnerjee, B. Sethi,J.M. Chatterjee, R.K.Chattopadhyayand P. Bhattacharya. 129

63. Parametrization of Gas Jet

Transport System for the Studyof Short-lived Fission Products:

A.V.R. Reddy, S.M. Deshnukh,'B.K. Srlvastava and Satya Prakash. 131

64. Studies on Single and Multicharged

Ions from a Bernas-Type Ion

Source j D. Ghose and D. Basu. 133

IX

70.

Pape

65. I-Ray-* (Emitted After

Nuclear Capture of Electrons)Gamma-*- Gamma Angular Corre¬

lation Studies j V.R. Potnis,C.P. Agin and B.P. tfingh. 135

VII. SESSION NG: NUCLEAR REACTIONS

66. Range of the Pion Propagatorin the Surface of Semilnfinite

Nuclear Matter i B.C. Parijaend S.C. Phatak. 117

67. Photoproduction and Radiative

Capture of Pions in °Li t

S.K. Singh and S. Jonathan. 139

68. The Pole Model for Quasi-Pree

Cluster Knockout Reactions on

°Ii t K. Srlnivaaa Rao and

V.S. Bhasin. 141

69. Photoproduction of ChargedPions on DeuteronB j

G. Ramachandran, M.V.N. Murthyand Swarnamala Slrsi. 144

Seemingly Parity ViolatingObservables in '&0(V , ~L+n)151T t

G, Ramachandran, K. Venkatesh

and R.S. Keshavaaurthy. H6

VIII. SESSION NH: NUCLEAR REACTIONS

71. The Imaginary Part of the

Nucleon-Nucleus OpticalPotential j S. Bhattacharyaand S. Kailas. 148

72. Exeet Finite-Range DtBA Forma¬

lism with D-State Effects in

(d,p) Reactions: E.V. Ivesh,R.J. Kulkarni and V.N. Pal. 150

X

73. Analytical Wave Function for

D-State and Finite-RangeEffects in (d,p) Reactions

Within DWBA Formalism :

V.N. Pal and R.J. Kulkarni.

74. Optical Effects at Nuclear

Surface and Precompound

Reactions » Anuradha De,Slddhartha Ray and SudipKumar Ghosh.

75. The Magnitude of Compound

Nucleus Effects in 24 Mg(d,p)2*Mg Reactions at Ed >13 MeV:

S.R. Verma and R. Prasad.

76. Multiparticle Reaction Cross-

Sections : S.B. Garg, V.K.

Shukla and Amar Sinha,

77. Energy Dependence of the

Heavy-Ion Potential UsingSkyrme Force : K.C. Panda,I. Parija and R.K. Satpathy.

78. Complex Semi Classical Method

for Heavy Ion Scattering :

R.K. Samanta and S, Mukherjee.

79. Improved Semi-Classical Phese

Shifts for Potential ScatteringR.K. Samanta, A.K. Roy and

S. Mukherjee.

80. Empirical Description of HeavyIon Reaction Cross Sections :

S.K. Gupta and S. Kailaa.

81. On the Elastic Scattering of12C with 13c at 15 MeV :

V.K. Sharma.

*i

2S£S

82. Classical Description of low

Energy 160++°0a Collisions s

A.N. Dixit and Y.R. faghaare. 170

83. Effect of Spin of Nucleus on

Fusion Cross-Sections i

T.K. Mani and Y.R. lagnaare. 172

84. Could the Nuclei ExchangeClusters in Seep Inelastie

Collisions ? : J.V. De and

K. Krishan. 174

85. Application of the Date-to-

Data Relation to Alpha-Nucleus Scattering at HighEnergies t I. Abaad, f. Mehdl,M.A. Alvi and A. Bajpai. 176

86. Effect of the Gradient Operatorand Nuclear Deformation in

Quasi-Free Reaction i

R.K. Hatarajan, 1. Arunachalam

and V. Devanathan. 178

87. Polarisation Study of the

Recoil lucleus In

1°B( 1 , ii+ )10Be* »

6. Raaachandran and

V. Raviahankar. 180

88. Pion Scattering on Li :

G. Renachandran, S.B. Patangi

and V. Raviahankar. 182

89. Inner Bremsstrahlung from

Unique First Forbidden Beta-

Decay in 90sr-90r ,

A. Basavaraju, P. Venkataramaiah

.

and H. Sanjeevlah. 184

xn*£££

II. SESSION II t NUCLEAR FISSION

90. Characteristics of Binary Fission

Produced in the Interaction of

1,8 GEV/C K" with Heavy Emulsion

Nuclei » K. Goswami, T.M. Singhend T.D. Goswami. 186

91. Simultaneous Measurements of

Polar and Equatorial Particles

in Fast Fission : M.M. Sharma,A.K. Sinha and G.K. Mehta. 189

92. Charged Particle Induced

Fission » Fragment AngularMomentum in 2*2Th(<^--in V(sV f)System J S.M. Sahakundu?'flR. Guin, N. Chakravorty,T.. Datta. S.P. Dange, SatyaPrakash and M.V. Raraaniah. 191

93. Mass Spectroscopic Investigationsof Rb and Cs Fragments in 2"f235u( oC ,f) : T Nagerajan, R.H. Tangand J.K. P. Lee. 193

94. Fission Fragment Angular Distri¬bution Data of '235u(ii,f) and the

Shifting of the Shape of the

Transition State Nucleus t

S.S. Kapoor, K.N. Iyengar,D.M. Nadkerni and V.S. Ramarourthy. 196

95. Study of Fission Fragment Mass

Distributions for Specified Total

Kinetic Energies i Rekha Gpyil,S.S. Kapoor, D.M. Nadkarni, S.R.S.

Murthy and P.N. Rema Rao. 199

96. Isotopic Yield Distribution of

Technetium Isotopes in the

Spontaneous Fission of 252cf •

B.K. Srlvastava, A.G.C. Nair,Alok Srivastava. 5„B„ ManohT,Satya P^rakash and M. 7, Remeniah. 202

XIII

SESSION NJ t NUCLEAR FORCES AND

NUCLEAR MATTER

Page

High Energy Phase-Shifts and

Reaction Matrices for the Paris

Nuoleon-Nucleon Potential t

M.A, Matin, B.C Samanta,D.C. Gandhi and J. Day. 204

Laplace Transform Method for

Scattering on Coulomb Plus

Nonlocal Separable Potentials j

B. Talukdar, D.K. Ghosh and

M.R. Sinha. 206

Half-Shell Extension Function

from Phase Method : S. Saha,S.R. Bhattaru and K. Niyogi. 208

Properties of Trinucleon Systemswith Tucson Potential : Tapan K.

Das, and Helio T. Coelho. 210

Systematica of Nuolear ChargeDistribution Parameters Deduced

from Muonic X-ray Measurements j

K.V. Subba Rao and A.A. Kamal. 212

Critical Dynamics of HighlyViscous Nuclear Matter :

Nandita Rudra and P. Rudra. 214

SESSION NK : NUCLEAR FISSION

Wave Packet Description with

Dissipation for *°Ar + 232thFisBion at 250 MeV :

L.N. Pandy and S.N. Mukherjee. 216

Charge Division Mechanism in

Binary Fission in Terms of

DCM : P. Basu, M.B. Chatterjeeand M.L. Chatterjee. 218

XIV

Page

105. Prompt Neutron Kinetio EnergyDistribution in Fission :

Harashit Majuadar and

Aparesh Chatterjee. 220

106. Dependence of Fission FragmentAngular Momentum on ChargeSplit in Low Energy Fission :

T. Datta, S-;P. Dange, S.K. Das,Satya Prakash and M.V. Ramaniah. 222

HI. SESSION NL > NUCLEAR STRUCTURE

107. The Charge Perm Faotor of Li :

K. Srlnivasa Rao and R. Sridhar. 224

108. The R.M.S. Radius of ^1 i

K. Srlnivasa Rao and

J. Srinivasan. 226

log. The Photodiaintegration of Til :

K. Srlnivasa Rao and J.Srinivasan. 228

110. A Toy Interesting Boson Model in

Two Dimensions : IBM Study Group. 230

XIII. SESSION HM : NUCLEAR REACTIONS

111. Systematic Trends in Heavy Ion

Potentials : S. Bhattacharyaand S.K. Gupta. 232

112. Role of Pauli Blocking In Wall

Friction t J.N. De, S.K.Saaaddar, N.N..Ajltanand and

3. Bhattaoharya. 234

113. Study of Fusion in Deformation

Model t R.C. Nayak. 236

XV

Page

114. A Comment on Sucleon Transfer

Induoed Energy Dissipation in

Heavy Ion Inelastic Collisions t

S.K. Kataria, J.N. De, S.S,

Kapoor and V.8. Ramamurthy. 238

HV. SESSION NN : NUCLEAR REACTIONS

115. High Energy Alpha-NucleusScattering in Terns of a

Phenomenological N-ot

Amplitude : M.A. Alvi,

I. Ahmad and P. Mehdi. 240

116. Study on Mesic HypernuoleiProduoed in 1.8 GeV/c K^Interactions with theEmulBion Nuclei t P. Mandaland M. Sana. 242

XV. SESSION NO : NUCLEAR SPECTROSCOPY

117. Relative Contribution of Compoundand Coulomb Cross Seotion in

,p'V ) Reaction on °9Ga and

*Rh for 2-5 MeV Protons :

D.C. Tayal, K.P. Singh, V.K.

Mittal and H.S. Hans. 244

iw

118. High-Resolution Spectroscopyof "Tc - Study of Finer

Details j D.B. Subba Rao,D. Venkateswara Sarma,K. Venkata Bameniah and

V.V. Rama Murty. 246

225119. Energy Levels of Ra x

S.S. Rattan, A.V.R. Reddy,R.J. Singh and Satya Prakash. 248

120. On the Shape of the 1~-2+ Beta

Transition of 188Re 1

K. Venkata Ramaniah, S. Bhuloka

Reddy, V.V. Ramamurty and

K. Venkata Reddy. 250

XVI

Page

121. On the Conversion of the

129 KeV Transition in 191Ir »

S. Bhuloka Reddy, K. Venkata

Ramaniah, K. Premchand and

V. Lakshminarayana. 252

122. Unique Soin Assignment to the

722 KeV Level of U3pr :

K. VenkPta Ramaniah,S. Bhuloka Reddy, V.V. Rama

Murty and K'. Venkata Reddy. 254

123. Nuclear Lifetime Measurements

of Some Excited States in As-75,Te-125, Cs-131, Ce-140, Sm-152,Er-166, W-182 and Pd-105 :

S.S. Sooch, Jasbir Singh,*

M.L. Garg, Ravinder Kaur,H.R. Verma, A.K. Sharma,Nirmal Singh and P.N. Trehan. 256

Author Index 258