NSC
Annual Report
2002-2003
(Available
in .PDF
formats )
CONTENTS
(
Details of Chapters including subsections / page nos. given below )
Chapter
1.
ACCELERATOR (
click for Chapter 1 )
1.1
Operational Summary
1
1.2
Maintenance and
Development Activities 2
1.3 Ion
Source 3
1.4
Operation and
Maintenance of Beam Pulsing System 4
1.5
Accelerator
Mass Spectrometry (AMS) 4
1.5.1 Off-line testing of the Wien filter as procured from Danfysik 4
1.5.2 Testing of BeO samples as processed from Mn-nodules using AMS 5
Chapter
2.
ACCELERATOR AUGMENTATION PROGRAMME (
click for Chapter 2 )
2.1
LINAC
7
2.1.1
Superconducting
Resonator Fabrication Facility - SuRFF 7
2.1.2
Indigenous
Fabrication of Niobium Resonator 9
2.1.3
Installation
and Testing of the High Energy Sweeper 10
2.1.4
Status of Simple
Test Cryostat facility 12
2.1.5
Linac Beam
Line 13
2.1.6
Linac
Cryostat 13
2.1.7
Development
of High Energy Sweeper Controller 13
2.1.8
Optimization
of Multi-harmonic Buncher and Testing of High Energy Sweeper with DC
and
Bunched Beams 14
2.1.9
Upgradation
of 6MHz, 500 Watts RF Amplifier for H.E. Sweeper 14
2.2
Cryogenics
2.2.1
Cryostats 15
2.2.2
Cryogen Distribution
line 16
2.2.3
Helium purifier
& gas analysis setup 17
2.2.4
Experiments
on MLI set up 18
2.2.5
Cryogenic facility
18
2.2.6
Miscellaneous
work 19
2.2.7 A
VME based
Cryogenic Data Acquisition & Control System 19
2.3 RF
Electronics
22
2.3.1
Status of 97
MHz Power Amplifier for LINAC 22
2.3.2
Status of Resonator
Controller Modules 23
2.4 Beam
Transport
23
2.4.1
Quadrupole
Magnets 23
2.4.2
High Field
steerers 24
2.4.3
IGOR modules
24
2.4.4
Switch gear
for magnets in LINAC beam line 24
2.4.5
Switch Mode
Power Supply for Superconducting Solenoid magnets 24
2.4.6
Super Conducting
Magnet Power Supply Programmer 25
2.4.7
Persistent
Switch Heater Power Supply 25
2.4.8
High Current
High Stability Magnet Power supply 25 (200A/50V, 5PPM/8 hrs)
2.4.9
Faraday
Cup Controller 25
2.4.10
Spark Protection
Modules 26
2.4.11
SMPS Controller
26
2.4.12
PSTV Controllers
26
2.4.13
Extension
of Zero degree Beam line 26
2.4.14
Development
of 43 kVA H-class Air Cooled Linear Voltage Regulator & six phase
Double
Delta Transformer for 300 A, 100 V DC Power Supply 26
2.5 Low
Energy Ion
Beam Facility (LEIBF) 27
2.6 High
Current
Injector 31
2.6.1
Design of a
High Temperature Superconducting Electron Cyclotron Resonance Ion
Source
for the High Current Injector of LINAC 31
Chapter
3.
RESEARCH SUPPORT ACTIVITIES (
click for Chapter 3 )
3.1
High Vacuum Laboratory
34
3.1.1
Beam Line Maintenance
and Installation 34
3.1.2
Fast Valve
(BLV 02-1) Replacement 35
3.1.3
LIBR Chamber
Recommissioning 35
3.1.4
Design and Fabrication of Diesets 35
3.2
Maintenance of
Magnets and Power Supplies 36
3.3
Detector Development
Laboratory 36
3.3.1
Gas Ionization
Chamber 37
3.3.2
Fast Timing
Amplifiers 37
3.3.3
Auxilliary
Detectors 37
3.3.4
Discrete Delay
Line MWPC 38
3.3.5
Precise Gas
Pressure control system for Focal Plane Detectors 38
3.3.6
Local Data
Acquisition at HIRA focal plane 38
3.3.7
Timing PPAC
39
3.4
Target Development
Laboratory 39
3.5
Electronics &
RF Laboratory 42
3.5.1
Development
of PCI Card 42
3.5.2
Development
of CAMAC Modules 42
3.5.3
Electronics
Activity related to INGA at NSC 43
3.6
Electrical Group
Activities 45
3.6.1
Stabilised
Power Arrangement 46
3.6.2
UPS Systems
46
3.6.3
Power Factor
Compensation 46
3.6.4
Maintenance
of Phase-I & II Electrical Installations 46
3.6.5
Surveillance
Video Cameras 47
3.6.6
Energy Saving
47
3.6.7
Beam Hall-II
47
3.6.8
Beam Hall-II
Stores 47
3.6.9
Development
of Remote Control System for Helium Compressors & Central Control
Room
for Cryogenics 47
3.6.10
Harmonic Analysis
of Clean Power Distribution System of NSC 48
3.6.11
Phase-II
Part-II Installations 49
3.7
Computer and
Communications 49
3.7.1
Internet and
mail 49
3.7.2
Central
computing facility 49
3.7.3
Desktop
computing and local networks 50
3.8 Air
Conditioning,
Water System and Cooling Equipments 50
3.8.1
Central AC
Plant 50
3.8.2
Water Systems
51
3.8.3
Cooling Equipment
51
3.9
Mechanical Workshop
51
3.10
Health Physics
56
3.10.1
Development
of nano-phosphor 57
3.10.2
Radon Monitoring
in the water & Indoor air 58
3.10.3
Radiation
Shielding Calculation with PACE & MCNP code 59
3.10.4
Shielding
Calculations for Modified Plan of BH-II 59
3.11
Civil Works
60
3.12 SF6
Gas Storage
& Gas Handling System, Compressed Air System, Mechanical Pumps and
Material Handling Equipments 61
3.13
Data Support
Laboratory 63
3.13.1
Current
Amplifier 63
3.13.2
Calibrator
Module for CANDLE data acquisition setup 63
3.13.3
Current Integrators
64
3.13.4
Four Channel
12 Bit Peak Measuring ADCs 64
3.13.5
Servicing
and Maintenance 64
3.13.6
Electronic
modules acquired for data acquisition resource pool 64
Chapter
4.
EXPERIMENTAL FACILITIES IN BEAM HALL (
click for Chapter 4 )
4.1
General Purpose
Scattering Chamber (GPSC) 66
4.1.1
Modification
in Scattering Chamber 66
4.1.2
Array of Neutron
Detectors (AND) 66
4.1.3
Fabrication
of Pulse Shape Discrimination module for Neutron-Gamma separation 67
4.1.4
Performance
of 8 Channel Peak sensing 4K ADC-CAEN C420 69
4.1.5
Developing
extended resolution from a 12 bit ADC 69
4.1.6
Experiments
conducted in GPSC 70
4.2 Gamma
Detector
Array (GDA) 71
4.2.1
Experiments
done using GDA beam-line 71
4.2.2
Large
Gamma Array 72
4.2.3
HIRA-INGA system
at NSC 74
4.2.4
Automatic Liquid
Nitrogen filling System for Clover Ge Detectors 79
4.2.5
Simulation
study of a Clover gamma ray detector 80
4.3 Heavy
Ion Reaction
Analyzer (HIRA) 83
4.3.1
New focal
plane chamber of HIRA 85
4.3.2
Development
of a Large Area Telescopic Detector System for Transfer Reaction
Angular
Distribution Measurements 86
4.3.3
In Vacuum
Transfer System for 7Be+7Li Scattering Experiment 89
4.3.4
Hybrid
Recoil Mass Analyser (HYRA) 91
4.4
Materials Science
Facility 94
4.4.1
Synthesis of
semiconductor nanocrystalline powders and thin films 95
4.4.2
Studies on
nc-ZnO/SiO2 films 96
4.4.3
Structural
And Magnetic Studies of NiMn0.05TixMgxFe1.95-2xO4 96
4.4.4
Performance
of the Large Area two dimensional Position Sensitive Detector Telescope
(LAPSDT) developed for Material Analysis at NSC 98
4.5
LIBR Beam
Line 100
4.5.1
Status of LIBR
Beam Line for Beam-Foil Experiments 100
4.6
Radiation Biology
Beam Line 102
4.6.1
Status of the
Radiation Biology Beam Line 102
4.6.2
Status of the
Molecular Radiation Biology Laboratory 102
Chapter
5.
RESEARCH ACTIVITIES
5.1
Nuclear
Physics 103 (
click for Chapter 5.1 )
5.1.1
Investigation
of the shears mechanism in 112Sb 104
5.1.2
In beam
g-ray spectroscopy of 125,126Cs 107
5.1.3
Spectroscopy
of Light Neutron Rich Nuclei (35P, 36S, 34Si..) using the nucleon
transfer
in Near Barrier & Sub-Barrier Heavy Ion Reactions 108
5.1.4
Study of High
Spin States In 138Ce 110
5.1.5
Study of n-p
interaction in N = Z Nuclei in mass 80 region 112
5.1.6
Structure studies
of neutron rich nuclei in mass 100 region 116
5.1.7
Spectroscopy
of Ar and K isotopes in A=40 region 118
5.1.8
Investigations
of low and high spin states of 134La 120
5.1.9
New measurement
of astrophysical S17 factor from d(7Be,8B)n at Ecm=4.4 MeV 123
5.1.10
First
measurement of Elastic scattering of the d(7Be,7Be)d system at ECM=4.3
MeV using kinematics coincidence 127
5.1.11
Elastic Scattering
of 7Be+7Li Experiment 129
5.1.12
Change of
7Be decay rate in C60 fullerene: A new tool for studying atomic cluster
133
5.1.13
Neutron
evaporation as a probe of entrance channel effects in the heavy ion
induced
fusion reactions 138
5.1.14
Energy and
Time Response of Stilbene Scintillator for Proton Energy Ranging from
5-25
MEV 139
5.1.15
Mass
Distribution Study of spherical nuclei 140
5.1.16
Fission Fragment
Anisotropies In The 12,13C + 235U System at Near and Sub
Barrier
Energies 140
5.1.17
Complete
and Incomplete Fusion in 16O+159Tb and 16O+169Tm Systems Below
7MeV/nucleon
141
5.1.18
Complete
and Incomplete Fusion Reactions in 12C + 59Co via Excitation functions
and Recoil Range Measurements 143
5.1.19
Measurement
of the Nuclear g-Factor of 9/2- and 21/2- Isomeric States in 175Ta 146
5.2 Swift
Heavy Ions
in Materials 149 (
click for Chapter 5.2 )
5.2.1
Electronic
Sputtering from Semiconducting HOPG: A Study of Angular Dependence 150
5.2.2
Formation of
Au0.6Ge0.4 Alloy Induced by Au-Ion Irradiation of Au/Ge Bilayer 152
5.2.3
Swift Heavy
Ion Induced Interface Modification in Ni/Ge 153
5.2.4
Study of swift
heavy ion irradiation effects in metal/Si systems 156
5.2.5
Mixing in Cu/Ge
system by swift heavy ions 159
5.2.6
Mixing Induced
by Swift Heavy Ion Beam at (Ti, Ni) / Si Interface 161
5.2.7
Mixing in Au/Si
system by nuclear energy loss 162
5.2.8
UV-VIS and
Photoluminescence (PL) Characterization of Ag Nanoparticles Doped
Glasses
prepared by Ion Implantation/Ion Exchange Methods 164
5.2.9
Controlled
Growth of Silicon nanocrystals in SiO2 Matrix using MeV Ag Ion
Irradiation
167
5.2.10
Effect of
Swift Heavy Ion Irradiation on Doped Nanoparticles of Fe2O3/TiO2
for Photoelectrochemical Splitting of Water 169
5.2.11
Ion
Beam Induced Modification of Lattice Strains in In0.1Ga0.9As/GaAs
system
171
5.2.12
Swift heavy
ion induced strain in a lattice matched superlattice 173
5.2.13
Lattice Strain
Measurements using Automated High Energy Channeling Facility at NSC 175
5.2.14
Investigations
on High energy Sn Irradiation induced effects in GaN 177
5.2.15
Irradiation
effect on dielectric properties of NiMn0.05Tix(Zn2+, Mg2+)xFe1.95-2xO4
ferrites thin films 178
5.2.16
Mössbauer
studies of 190 MeV Ag ion irradiated NiMn0.05TixMgxFe1.95-2xO4 ferrite
180
5.2.17
Characterization
of Zn and Mg Substituted Nickel Ferrite Thin Film using Elastic Recoil
Detection Analysis 182
5.2.18
Oxygen Content
Meaurement and Compositional Analysis of 190 MeV Au14+ Ions Irradiated
Li-Mg Ferrite Thin Films 183
5.2.19
In-situ Resistivity
Measurement of Nanoferrite Li-Mg films Irradiated by 190 MeV Au14+ Ions
184
5.2.20
Mössbauer
Studies on Irradiated Nanosized Mg1.0Mn0.1Fe1.9-xInxO4 (x = 0, 0.3,
0.6,
0.9) 186
5.2.21
Conversion
Electron Mössbauer Spectroscopy Studies of Irradiated Li-Mg Ferrite
Thin
Film 187
5.2.22
Study of Swift
Heavy Ion Beam Irradiation Effects On Oxygen Stoichiometry Of La-2125
Type
Superconducting Thin Films By Elastic Recoil Detection Analysis 189
5.2.23
Low temperature
resistivity study in 50 MeV Li3+ irradiated La0.7Pb0.3MnO3 190
5.2.24
Effect of
100MeV Oxygen Ion Irradiation on Hole Doped CMR Material 191
5.2.25
Effect
of 50 MeV Li3+ Ion Induced Irradiation on Single Crystals of Hexagonal
Ferrite and Rare Earth Orthoferrite 193
5.2.26
Interesting
aspects of Li3+ irradiated Bi-HTSC 194
5.2.27
Swift Heavy
Ion Induced Modifications in Ferroelectric Thin Films and Relaxors 195
5.2.28
Influence
of High Energy Ion Irradiation on Field Emission Characteristics of CVD
Diamond Thin Films 197
5.2.29
Phase Transformations
in Thin Films of C60 Irradiated with Swift Heavy Ions 198
5.2.30
Physical
and Chemical Response of 50 MeV Li³+ Ion Irradiated Blended Polymer 200
5.2.31
Effects
of High Energy (MeV) Ion Beam
Irradiation
on Polyethylene Teraphthalate(PET) 204
5.2.32
Study of Chemical
Modification Induced by 120 MeV Silicon Ions in Polypropylene 205
5.2.33
Optical Study
of Poly (Ethyleneterphthalate) Irradiated with Different Energies of
Swift
Heavy Ions of Silicon 207
5.2.34
Effect of
Si28 Ion-Beam Irradiation on Natural Rubber and Carboxylated Styrene
Butadiene
Rubber Latex Blends 209
5.2.35
Dielectric
Behaviour of 100 MeV Ni58 Ion Irradiated Kapton-H Polyimide Film 210
5.2.36
Photo
Conduction in 75 MeV Oxygen Ion Irradiated Kapton-H Polyimide 212
5.2.37
Investigation
of Swift Heavy Ion Irradiation Effects on Ionic Conduction in
P(VDF-HFP)-LiClO4
Polymer Electrolytes 214
5.2.38
Gas
permeability studies of 100 MeV Si8+ ion irradiated polymers 216
5.2.39
Luminescence
in Sapphire Induced by Swift Heavy Ion Irradiation 217
5.2.40
Latent track
creation in fused silica by 200 MeV silver beam 219
5.2.41
On-Line Ionoluminescence,
in-situ Photoluminescence and off-line Thermoluminescence Studies in
Kyanite
220
5.2.42
Swift Heavy
Ion Beam Induced Luminescence Studies of Color Centers in PSL and FED
Phosphors
221
5.2.43
Energy
Loss of Heavy Ions in Gases 223
5.2.44
Transverse
Cooling of Channeled Ions 224
5.2.45
Possibility
of Online observation of ion beam mixing using LAPSDT based ERDA at NSC
- A very initial indication 226
5.2.46
Heavy Ion
Testing of VLSI Devices 227
5.2.47
Electronic
sputtering studies of LiF thin films 230
5.3 High
LET Radiation
Biology Research 233 (
click for Chapter 5.3 )
5.3.1
Expression
of NF-kB and ERK following Heavy Ion Irradiation 233
5.4
Atomic Physics
Research 239
( click
for Chapter
5.4 )
5.4.1
Novel analysis
of beam-foil and beam-two foil data from He-like V
5.4.2
Lifetime of 1s2p2s 4P5/2 level in Li-like 48Ti using Beam
Two-foil
Experiment 241
5.4.3
L X-ray
production cross-sections for 57La, 58Ce, 60Nd & 62Sm by 30-60 MeV
C4+ & O5+ ions 243
Chapter
6.
ACADEMIC ACTIVITIES (
click for Chapter 6 )
6.1
Pelletron Beam
Utilization By Users 247
6.1.1
Pelletron Beam
Time Utilization and Experiments performed (April 2002-March 2003) 247
6.1.2
List of Users
Family 249
6.2 M.Sc.
Orientation
Programme 253
6.3
Library 254
6.3.1
Integrated
Library System 255
6.4 The
Ph.D. Teaching
Programme at NSC 256
6.5
Academic Activities
Held in 2002-2003 256
6.6
Calendar of Events:
2003 257
6.7 List
of Seminars
conducted in the year 2002-2003 258
6.8 List
of Publications
(2002-2003) 260
6.9 List
of Technical
Reports / Technical Memos Submitted for the Year 2002-2003 265
Appendix
I - Committees
270
Appendix
II -
NSC Personnel 277
Appendix
III -
List of Users 280
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