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RIKEN Accelerator Progress Report

RIKEN Accelerator Progress Report 2023 Vol. 57

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CONTENTS  

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PREFACE  
GRAVURE  
FEATURE ARTICLE  
The sPHENIX experiment at RHIC and the INTT silicon detector S1
SCRIT electron scattering facility S7
Ⅰ. HIGHLIGHTS OF THE YEAR  
Searching for universality of dineutron correlation at the surface of Borromean nuclei
A. Corsi, Y. Kubota, and J. Casal
S15
First observation of 28O
Y. Kondo et al.
S16
First observation of elastic electron scattering from online-produced radioactive target
K. Tsukada et al.
S17
Validation of molecular structure in the 10Be ground-state
P. J. Li, D. Beaumel et al.
S18
Multiple mechanisms in proton-induced nucleon removal at ∼100 MeV/nucleon
T. Pohl, Y.L. Sun et al.
S19
Studying the impact of deuteron non-elastic breakup on 93Zr + d reaction cross sections measured at 28 MeV/nucleon
T. Chillery et al.
S20
β-delayed neutron emissions from N > 50 gallium isotopes
R. Yokoyama et al.
S21
QCD-based charge symmetry breaking (CSB) interaction and Okamoto-Nolen-Schiffer anomaly
H. Sagawa, T. Naito, T. Hatsuda et al.
S22
Triaxial dynamics in low-lying states of 44S and 46S
K. Washiyama and K. Yoshida
S23
Correlating nuclear Schiff moment and magnetic moment of 129Xe
K. Yanase et al.
S24
Evaluation of postfission properties of uranium isotopes using hybrid method combining Langevin and statistical models
S. Tanaka et al.
S25
Measurement of direct-photon cross section and double-helicity asymmetry at √s = 510 GeV in p + p collisions
Y. Goto et al.
S26
Measuring single-spin asymmetry for forward neutron production in wide pT range of polarized p + p collisions at √s = 510 GeV
M. H. Kim et al.
S27
Development of a machine protection beam interlock system for the RIBF
M. Komiyama et al.
S28
Development of wide range photon detection system for muonic X-ray spectroscopy
R. Mizuno et al.
S30
Demonstration of nuclear gamma-ray polarimetry based on a multi-layer CdTe Compton Camera
S. Go et al.
S31
Development of fast-response PPAC with strip-readout for heavy-ion beams
S. Hanai et al.
S32
Construction status of the TOGAXSI telescope for the cluster knockout measurements in inverse kinematics
Y. Kubota et al.
S34
Development of mini-linear cooler buncher for PALIS
T. Sonoda et al.
S35
New tuning method via center drift tube at ZD-MRTOF
J.M. Yap, M. Rosenbusch et al.
S36
Development of a new 225Ac source for 221Fr EDM measurement
M. Sato et al.
S37
Commissioning of the intermediate silicon tracker in sPHENIX
G. Nukazuka et al.
S39
Construction of GEM tracker for J-PARC E16 Run-1
T. N. Murakami
S41
Singlet fission as a polarized spin generator for dynamic nuclear polarization
Y. Kawashima et al.
S42
Preclinical evaluation of the therapeutic potential of 211At-radiolabeled 2,6-diisopropylphenyl azide in mouse models for human lung cancer treatment
Y. Ode, K. Tanaka et al.
S44
Development of a large-scale production system of astatine-211 for targeted alpha-particle therapy
H. Arata et al.
S45
7Li-induced reactions on natCu for monitor reactions
M. Aikawa et al.
S46
Immuno-PET and targeted α-Therapy using anti-glypican-1 antibody labeled with 89Zr or 211At: a theranostic approach for pancreatic ductal adenocarcinoma
T. Watabe et al.
S48
Characterization of a novel mutant with inhibition of storage root formation in sweet potato
H. Park et al.
S49
Ⅱ. RESEARCH ACTIVITIES I (Nuclear, Particle and Astro-Physics)  
1. Nuclear Physics  
Observation of new decay channels in 11Li(p, n) reaction
L. Stuhl et al.
1
SAMURAI acceptance for 9Li + d decay channel in 11Li(p, n) reaction
M. Sasano, L. Stuhl et al.
2
Mass measurements of neutron-rich A ≈ 90 nuclei constrain element abundances
W. Xian et al.
3
First direct mass measurement for neutron-rich 112Mo with the new ZD MRTOF-MS
D. S. Hou et al.
4
New technique for measuring excitation function of fusion-evaporation reaction using a multi reflection time-of-flight mass spectrograph
T. Niwase et al.
5
Measurement of excitation functions of evaporation residues in 51V+159Tb system by direct ion counting using MRTOF-MS
T. Niwase et al.
6
Study of 252Cf fission fragments with MRTOF-MS: β-decay correlated mass measurement of 107Zr
S. Kimura et al.
8
Study of 252Cf fission fragments with MRTOF-MS: mass measurement of neutron-rich cerium isotope 155Ce
S. Kimura et al.
9
Study of 252Cf fission fragments with MRTOF-MS: reexamination of existing mass data’s accuracy
S. Kimura et al.
10
Yield of neutron-rich 183, 184Hf isotopes from KISS
S. Doshi et al.
11
Mass measurement of A = 184 isobars near stability
J. M. Yap, P. Schury et al.
12
Isotope shift measurement of 190W for the study of shape transition in neutron-rich tungsten isotopes
M. Mukai et al.
13
In-gas-cell laser ionization spectroscopy of 191, 192Re at KISS
Y. Hirayama
14
Direct mass measurements of fp-shell nuclei near the proton dripline
S. Hanai et al.
15
Isomeric state studies using the DTAS detector
J. A. Victoria et al.
17
Interpretation of metastable states in the N > 70 Zr region
F. Browne et al.
18
Spin Correlation Coefficients measurement in d-p elastic scattering for determination of the three-nucleon force
Y. Saito et al.
19
Analysis of the measurement of 48Ca(12C, 12Be(02+)) aiming at the observation of double Gamow-Teller giant resonance
A. Sakaue et al.
20
Production cross-section measurement of 16N isomer for proton elastic scattering experiment
R. Yoshida et al.
21
Measurement of proton elastic scattering from 132Sn at 200 MeV/nucleon
Y. Hijikata et al.
22
Kinematics of (p, pX) knocout reactions in normal and inverse kinematics
T. Uesaka
23
First systematic measurement of cluster knockout reaction with 40Ca
R. Tsuji et al.
24
A study of 6He + p reaction: elastic scattering and neutron transfer reactions
Q. Zhang, M. Sferrazza et al.
25
Mirror symmetry at far edges of stability: The cases of 8C and 8He
S. Koyama, D. Suzuki et al.
26
RIBF experimental program in TRIP project
H. Baba et al.
27
2. Nuclear Physics (Theory)  
Comparative study on charge radii and their kinks at magic numbers
T. Naito et al.
29
Effects of Coulomb and isospin symmetry breaking interactions on neutron-skin thickness
T. Naito et al.
30
Effects of two particle-two hole configurations and tensor force on β decay of magic nuclei
M. J. Yang, H. Sagawa et al.
31
Double phonon excitation with a subtracted second random-phase approximation
F. Minato
32
Di-dineutron correlation in 8He
Y. Yamaguchi, W. Horiuchi et al.
33
Role of large quadrupole deformation in the Borromean nucleus 19B
M. Yamagami
34
Microscopic study of the deformed neutron halo of 31Ne
R. Takatsu et al.
36
Investigation of the structure of 20Ne using proton elastic scattering
Y. Yamaguchi, W. Horiuchi et al.
37
Fermi operator expansion method for nuclei and inhomogeneous matter with a nuclear energy density functional
T. Nakatsukasa
38
Implementation of chiral two-nucleon forces to nuclear many-body methods with Gaussian-wave packets
T. Fukui
39
A new approach to the ATDHF equation
K. Sato
40
Cluster-shell competition and the effect of adding hyperons
N. Itagaki and E. Hiyama
41
Energetic parton in Gribov-Zwanziger plasma
M. Debnath et. al.
42
Impact of quadrupole deformation on intermediate-energy heavy-ion collisions
Z.-X. Yang et al.
43
A neural network approach for orienting heavy-ion collision events
Z.-X. Yang et al.
44
3. Nuclear Data  
Production yield of 93Zr by 93Nb (n, p) reaction for collinear laser spectroscopy
A. Takamine et al.
45
Measurement of production branching ratios following nuclear muon capture for palladium isotopes using an in-beam activation method
M. Niikura et al.
47
EXFOR compilation of RIBF data in 2023
S. Watanabe et al.
48
4. Hadron Physics  
Feasibility of the forward Λ measurement at the RHICf experiment
M. H. Kim et al.
49
RHICf-STAR correlation study to understand the finite transverse single spin asymmetry for very forward neutral pion production
S. Lee et al.
50
Measurement of the Drell-Yan angular distribution in p + p interaction at 120 GeV/c by SeaQuest experiment at Fermilab
K. Nagai et al.
51
Measurement of angular distribution of the Drell-Yan process in p + Fe at FNAL-SeaQuest
K. Nakano et al.
53
Measurement of charged jet v2 using ALICE PbPb collision data at √sNN =5.02 TeV
T. Kumaoka
54
Chiral symmetry restoration at high matter density observed in pionic atoms
T. Nishi et al.
55
Commissioning status of sPHENIX experiment at RHIC
I. Nakagawa et al.
56
Development of a tracking algorithm for sPHENIX-INTT
H. Tsujibata et al.
57
Development of the INTT event display
M. Fujiwara et al.
58
Channel classification of intermediate silicon tracker at sPHENIX
J. Hwang et al.
59
Stability monitor of sPHENIX intermediate tracker detector
W. C. Tang et al.
61
Overview of software development for sPHENIX INTT detector
T. Hachiya et al.
62
Data readout of the intermediate silicon tracker
M. Kano et al.
63
Status of the repair work of INTT readout circuit board for sPHENIX
K. Fujiki et al.
64
Development of a low voltage system and GUI for sPHENIX-INTT
M. Shimomura et al.
66
Challenge to distinguish between signal and background using 3 bit ADC of sPHENIX-INTT detector
Y. Sugiyama et al.
67
Measurement of multiplicity in the RHIC-sPHENIX experiment
M. Hata et al.
68
Development and evaluation of a jet-finding algorithm for the RHIC-sPHENIX experiment
M. Watanabe et al.
69
Commissioning status of the sPHENIX INTT with cosmic rays
C. W. Shih et al.
70
Study of backgrounds in sPHENIX-INTT hits
R. Shishikura
71
Collins asymmetry sensitivity studies for sPHENIX
R. Seidl
72
Detector development for ePIC experiment in US electron-ion collider
Y. Goto, T. Gunji et al.
73
The irradiation test of LDOs for the ALICE FoCal detector at LHC
M. Inaba
74
5. Hadron Physics (Theory)  
Composite octet baryons in nuclear Fermi liquids
K. Noro et al.
75
Positive gluon helicity in the nucleon from lattice QCD
R. S. Sufian
76
6. Particle Physics  
QST model
Y. Akiba
77
7. Astrophysics and Astro-Glaciology  
Proton irradiation experiment of the Cherenkov detector onboard lunar explorers Lunar-RICheS
N. Ota et al.
79
8. Accelerator  
Space-charge effects on transverse emittance in the extraction region of the RIKEN 28-GHz ECRIS
T. Nagatomo et al.
81
Preliminary estimation of electron density and temperature of plasma in 28-GHz electron cyclotron resonance ion source
O. Kamigaito and T. Nagatomo
82
Operation test of new high-powered Gifford-McMahon Joule-Thomson (GM-JT) cryocooler
J. Ohnishi et al.
83
Method for releasing carbon foils from substrates
H. Hasebe et al.
84
Beam profile measurement using He gas light emission and BEPM for superheavy element search experiment
T. Watanabe et al.
85
Design study of beam position monitor for heavy-ion beam
T. Adachi et al.
86
Replacement of a 5000 L/s turbomolecular pump for RILAC
T. Nishi et al.
87
Vacuum leak at feed-through of trim coils in AVF
Y. Watanabe et al.
88
Restoration of SRC vacuum leakage
K. Yamada et al.
90
Upgrading electromagnet power supply for superheavy element research in RIKEN heavy ion linear accelerator
A. Uchiyama et al.
91
Replacement of power supplies for trim coils in RIKEN Ring Cyclotron
K. Kumagai et al.
92
Electric power consumption of RIKEN Nishina Center in 2023
M. Kidera et al.
94
9. Instrumentation  
Status of exit-beam dump for BigRIPS
Y. Togano et al.
95
Present status of STQ system in BigRIPS and RI-beam delivery line
K. Kusaka et al.
96
Upgrade of the high voltage control system for the PPAC detector
Y. Shimizu et al.
97
Upgraded heating device for Ge detector annealing
S. Motomura and H. Sato
98
Simulation studies on γ-ray tracking by germanium detectors
D. Suzuki et al.
99
Performance evaluation of time-measurement system using ultra-fast plastic scintillation detectors in BigRIPS
R. Kageyama et al.
100
Concept study of using Alveo U50 hardware acceleration card in the RIBF DAQ system
Y. Ichinohe et al.
102
Development of new particle identification method by pulse shape analysis of the GAGG(Ce) calorimeter
T. Yano, J. Zenihiro et al.
103
Development of an offline energy calibration method for GAGG(Ce) calorimeter with cosmic rays
T. Sugiyama et al.
104
Breaking barriers in analysis: modularizing analysis framework
Y. Kubota and Y. Ono
105
Present operation status of ERIS at the SCRIT electron scattering facility
T. Ohnishi et al.
106
Evaluating spatial distributions of 132Xe ions extracted from SCRIT
R. Ogawara et al.
107
Concept of isomer filtering at the Rare-RI Ring facility
Y. Yamaguchi
108
Performance test of kicker system for Rare-RI Ring
Y. Yamaguchi
109
Design of the vertical steering magnets for Rare-RI Ring
A. Yano et al.
110
Multi-mass passing mode using an in-MRTOF deflector for purified detection of several isobar chains
M. Rosenbusch et al.
111
Offline commissioning of an iso-A/q mass reference ion source with an MRTOF-MS
H. Sasanuma et al.
112
An idea of a GARIS-type pre-separator for MNT reactions
M. Wada et al.
114
Commissioning of helium gas-cell + MRTOF-MS system for studies of multi-nucleon transfer reactions
S. Kimura et al.
115
Development of the telescope array for MESA in the TRIP project
S. Takeshige et al.
116
Development of the segmented plastic scintillation detector GARi
Q. Zeng et al.
117
Simultaneous observation of Fr-ion beam current and α decay of Fr
M. Fukase et al.
118
Charged particle multiplicity measurement using sPHENIX-INTT in Au + Au collision at √sNN = 200 GeV
T. Kato et al.
119
Development of sPHENIX INTT high voltage GUI
J. Bertaux et al.
121
Development of the sPHENIX INTT unpacker
J. Bertaux et al.
122
Analysis of INTT survey data
J. Bertaux et al.
123
Status of the J-PARC E16 experiment in 2023
S. Yokkaichi
124
Stability of the ALICE FoCal-E prototype for hadrons
M. H. Kim et al.
125
PET image background reduction of prompt γ emitting 86Y through quantum entanglement property of annihilation γ rays
D. Kim et al.
126
Progress on double-photon coincidence imaging with 169Yb
B. Feng, K. Shimazoe et al.
128
Back trace of ions ejected from glass capillary optics using super-high-resolution nuclear emulsion
T. Shiraishi et al.
130
CCJ operations in 2023
S. Yokkaichi et al.
131
Equipment and procedures for safe handling of activated material
H. Mukai et al.
132
Ⅲ. RESEARCH ACTIVITIES II (Material Science and Biology)  
1. Atomic and Solid State Physics (Ion)  
Anomalous peak effects in Ba0.6K0.4Fe2As2 with splayed and tilted columnar defects
T. Tamegai et al.
133
Control of electrical conductivity in diamond by boron-implantation using an ECR ion source —Crystallographic orientation and crystal quality dependence II—
H. Yamazaki et al.
135
Study on radiation resistance of GaN power devices
M. Iwata et al.
137
Wavelength shift of emission from Rb atoms in superfluid helium due to atomic bubble deformation
H. Endo et al.
138
Polarizing agents beyond pentacene for efficient triplet dynamic nuclear polarization in glass matrices
K. Sakamoto et al.
140
Triplet dynamic nuclear polarization of pyruvate via supramolecular chemistry
T. Hamachi et al.
141
2. Atomic and Solid State Physics (Muon)  
A successive magnetic transition in Sm2Ru2O7 studied by muon spin relaxation (μSR)
M. A. Syakuur et al.
143
3. Radiochemistry and Nuclear Chemistry  
Incomplete fusion reaction producing Pa nuclides in the 232Th + 7Li reaction
K. Teranishi et al.
145
Production of singly charged 229mTh by charge exchange reaction in an ion trap
Y. Shigekawa et al.
146
Solvent extraction of Zr and Hf using soft ligands toward chemical study of Rf
Y. Itakura et al.
148
Modification of 211At production apparatus to increase its production efficiency
X. Yin et al.
149
Solvent extraction following oxidation of astatine for the use of a 211Rn-211At generator
Y. Shin et al.
151
Construction of new experimental apparatus for astatine-211 production by a resonant laser ionization
T. Sonoda et al.
152
Resonant laser ionization of 211At
T. Nakashita et al.
153
Production of 173Lu and 184Re for gamma-ray standard
S. Goto et al.
154
Production of no-carrier-added 169Yb by the 169Tm(d, 2n)169Yb reaction
A. Nambu et al.
155
Development of accelerator production method of 139Ce for domestic supply
S. Egawa et al.
157
Production of 118Te by the alpha-particle irradiation on enriched 116Sn
Y. Kanayama et al.
159
Selective complexation and a 3D printer device for separation and purification of medical radioactive metal ions from target metals
G. Kagawa et al.
161
Evaluation of 211 At-labeled fibroblast activation protein inhibitor (FAPI): comparison of different linkers with polyethylene glycol and piperazine
A. Aso et al.
162
Development of a pharmacokinetic imaging system for astatine-211 in the whole body of mice
A. Yagishita et al.
164
Investigation of radiopharmaceutical labeling of 141Ce with DOTA
K. Ooe et al.
165
Comparison of 211At recovery rates in glass vials and plastic tubes
T. Tatsumi et al.
167
Effect of tumor size on the accumulation of 67Cu-labeled compounds targeting the somatostatin receptor in tumor
Y. Fujisawa et al.
168
Activation cross sections of α-particle-induced reactions on scandium
M. Aikawa et al.
169
Activation cross sections of proton-induced reactions on manganese up to 30 MeV
H. Huang et al.
170
Production cross-sections of 61Cu in α-particle-induced reaction on 59Co
G. Damdinsuren et al.
171
Cyclotron production of 62Zn generator radioisotope via natZn(p, x)62Zn
M. U. Khandaker et al.
173
Cross sections of 155Tb and 156Tb via α-particle induced reactions on nartEu
Y. Shigekawa and H. Haba
174
Production cross-sections of dysprosium-159 radioisotope from alpha-particle-induced reaction on natural terbium up to 50 MeV
D. Ichinkhorloo et al.
176
Activation cross-sections of α-particle-induced reactions on natDy
S. Takàcs et al.
177
Activation cross sections of α-particle-induced reactions on natTa
S. Takàcs et al.
178
Cross sections of proton-induced reactions on natW for 186gRe production
M. Aikawa et al.
179
Activation cross sections of alpha-particle-induced reactions on natural tungsten for osmium and rhenium radionuclides
N. Ukon et al.
181
Activation cross sections of deuteron-induced reactions on natural rhenium
M. Aikawa et al.
183
4. Radiation Chemistry and Biology  
Determination of the mutation which affect plant height and seed length of rice induced by Ar-ion irradiation
R. Morita et al.
185
Production of long-day specific early-flowering mutant by heavy-ion irradiation on indonesian rice cultivar: Gemdjah Beton
A. D. Nagalla et al.
186
Identification of chromosomal region responsible for the phenotype of the novel torenia mutant frilly petal undulation 1
T. Mayuzumi et al.
188
The effects of heavy-ion beam irradiation on survival rates in Colocasia esculenta ‘Ehimenoushi V2 gou’
M. Okamoto et al.
189
The amount of chromatin-bound Rad51 reached maximum after 2 Gy heavy-ion irradiation in mammalian cells
M. Izumi et al.
190
A mutant of defect of macrochaete is temperature sensitive
K. Tsuneizumi and T. Abe
192
Effects of heavy-ion beam irradiation on non-model fruit fly, Drosophila miranda: part II. Inducing large deletions to males
J. A. Nagasawa et al.
193
Ⅳ. OPERATION RECORDS  
Program advisory committee meetings for nuclear physics and for materials and life experiments
K. Yoneda et al.
195
RILAC operation
A. Yusa et al.
196
Operation report on the RIKEN AVF cyclotron for 2023
M. Nishimura et al.
198
Operation report on ring cyclotrons in the RIBF accelerator complex
R. Koyama et al.
200
Present status of liquid-helium supply and recovery system
T. Dantsuka et al.
201
Variation of impurity gas in recovered helium gas for liquid-helium supply and recovery system
M. Nakamura et al.
202
Operation of Pelletron tandem accelerator
T. Ikeda et al.
203
Radiation safety management at RIBF
K. Tanaka et al.
205
Fee-based activities performed by Nuclear Chemistry Group
A. Nambu et al.
207
Ⅴ. EVENTS  
Nishina School 2023
H. Ishiyama et al.
209
International symposium on “Direct reactions and spectroscopy with hydrogen targets: past 10 years at the RIBF and future prospects”
R. Taniuchi et al.
210
RIKEN open day 2023
Y. Yamaguchi and T. Ohnishi
211
Third international workshop on the extension project for the J-PARC hadron experimental facility (3rd J-PARC HEF-ex WS)
F. Sakuma et al.
212
International workshop on “Equation of State of Dense Nuclear Matter at RIBF and FRIB”
T. Isobe et al.
213
Machine learning workshop on accelerator and beam physics 2023
Y. Morita and T. Nishi
214
Cosmic ray measurement workshop for junior and senior high school students at RIBF
T. Nishi et al.
215
The fourth “Hodan-kai” for the future of exotic nuclear physics
F. Minato et al.
217
Workshop on Muon Nuclear Data
M. Niikura et al.
218
INTPART School 2023
M. Niikura et al.
219
EIC Asia Workshop in Japan
Y. Goto et al.
220
Beam Physics Workshop 2022
H. Okuno et al.
221
8th High Power Target Workshop (HPTW2023)
H. Okuno et al.
222
RBRC 25th anniversary cerebration
Y. Akiba
223
ALICE/sPHENIX/STAR/EIC-J joint workshop
I. Nakagawa and T. Gunji
224
Report on the JST/ERATO Sekiguchi three-body nuclear force introductory symposium
H. Otsu et al.
225
Ⅵ. ORGANIZATION AND ACTIVITIES OF RIKEN NISHINA CENTER (Activities, Members, Publications & Presentations)  
Organization  
1. Organization Chart 227
2. Finances 228
3. Staffing 229
4. Research publication 230
5. Management 231
6. International Collaboration (as of March 31, 2024) 236
7. Awards 238
8. RIKEN Awards 239
9. Brief overview of the RI Beam Factory 240
Center Director 241
Laboratories  
Research Facility Development Division  
Accelerator Group 243
Accelerator R&D Team 245
Ion Source Team 246
RILAC Team 248
Cyclotron Team 251
Beam Dynamics & Diagnostics Team 254
Cryogenic Technology Team 256
Infrastructure Management Team 257
Research Instruments Group 258
Automated Operation Technology Team 259
BigRIPS Team 260
SAMURAI Team 264
Data System Team 266
Detector Team 268
Instrumentation Development Group 271
Nuclear Science Research Division  
Radioactive Isotope Physics Group 275
Nuclear Dynamics Research Group 283
Nuclear Structure Research Group 290
SLOWRI Team 297
Superheavy Element Research Group 300
Superheavy Element Device Development Team 303
Meson Science Laboratory 306
Few-body Systems in Physics Laboratory 311
Cosmic Radiation Laboratory 316
Astro-Glaciology Laboratory 328
Nuclear Many-Body Theory Laboratory 331
RHIC Physics Research Laboratory 336
Accelerator Applications Research Division  
Nuclear Transmutation Data Group 341
Slow RI Data Team 344
Nuclear Transmutation Technology Group 345
High-Gradient Cavity R&D Team 346
Ion Beam Breeding Group 347
Nuclear Chemistry Group 351
Industrial Application Research Team 360
Safety Management Group 361
User Liaison Group 362
RIBF User Liaison Team 363
Office of the Center Director 364
RIKEN BNL Research Center 367
Theory Group 368
Experimental Group 372
Computing Group 377
Partner Institutions 381
Center for Nuclear Study, Graduate School of Science, The University of Tokyo 382
Wako Nuclear Science Center, IPNS (Institute of Particle and Nuclear Studies) KEK (High Energy Accelerator Research Organization) 393
Ⅶ. APPENDICES  
Symposia, Workshops & Seminars 397
Events 405
Press Releases 406
News 407
Preprints 408

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