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RIKEN Accelerator Progress Report

RIKEN Accelerator Progress Report 2020 Vol. 54

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CONTENTS  

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PREFACE  
GRAVURE
FEATURE ARTICLE
First Beam from SRILAC S1
   
Ⅰ. HIGHLIGHTS OF THE YEAR  
Oblate shapes and metastable states of 92, 94Se
P. -A. Söderström et al.
S13
Properties of 187Ta revealed through isomeric decay
P. M. Walker, Y. Hirayama et al.
S14
In-gas-cell laser resonance ionization spectroscopy of 196, 197, 198Ir
M. Mukai et al.
S15
Fragmentation of single-particle strength around the doubly-magic nucleus 132Sn and the position of the 0f5/2 proton-hole state in 131In
V. Vaquero et al.
S16
Experimental studies of the two-step scheme with an intense radioactive 132Sn beam for next-generation production of very neutron-rich nuclei
H. Suzuki et al.
S17
On-line commissioning of the new SLOWRI/ZD-MRTOF system
M. Rosenbusch et al.
S18
Mapping of a new deformation region around 62Ti
S. Michimasa et al.
S19
Surface localization of the dineutron in 11Li
Y. Kubota et al.
S20
Probing alpha clusters in the low-density region of the nuclear surface
J. Tanaka, Z. H. Yanget al.
S21
Reaction cross sections on a deuteron as a probe of nuclear radii
W. Horiuchi et al.
S22
Mean-square radius of the neutron distribution and skin thickness derived from electron scattering
H. Kurasawa et al.
S23
Isotopic production of high-radiotoxic nuclide 90Sr via proton- and deuteron-induced reactions
R. Matsumura et al.
S24
CP -odd gluonic operators in QCD spin physics
Y. Hatta
S25
Start the operation of AVF-BIS and its performance evaluation as a successor system to BIS
M. Komiyama et al.
S26
HiCARI: High-resolution Cluster Array at RIBF
K. Wimmer et al.
S27
Removing non-isobaric ions from an MRTOF-MS by periodic electric pulses
S. X. Yan, M. Rosenbusch et al.
S28
Development of the gaseous Xe scintillation detector for heavy RI beams
Y. Hijikata et al.
S29
µSR study of slightly pressurized organic superconductor κ-(ET)4Hg2.89Br8
D. P. Sari et al.
S30
Targeted alpha therapy of cancer: Evaluation of [211At] AAMT targeting LAT1
K. Kaneda-Nakashima et al.
S31
Influence of antibody stabilization with sodium ascorbate on radioimmunotherapy with an 211At-conjugated anti-tissue factor antibody
H. Takashima et al.
S32
Kinetics of Rad51 foci in G2 phase after heavy-ion irradiation in mammalian cells
M. Izumi and T. Abe
S33
Improvement of rotifer as the new food item in larviculture
K. Tsuneizumi et al.
S34
 
Ⅱ. RESEARCH ACTIVITIES I (Nuclear, Particle and Astro-Physics)  
1. Nuclear Physics  
RI beam production at BigRIPS in 2020
H. Takeda et al.
1
Production cross-section measurement and new-isotope search for very-neutron-rich RIs produced from 70Zn beam at 345 MeV/nucleaon by BigRIPS separator
H. Suzuki et al.
2
N = 32 shell closure below calcium: Low-lying structure of 50Ar
M. L. Cortés et al.
3
Proton removal and lifetimes in the Ca isotopes: Spectroscopy and reaction studies
H. L. Crawford et al.
4
Evolution of collectivity in Ti isotopes towards the N = 40 island of inversion
T. Koiwai, K. Wimmer et al.
5
RIBF190: Exploring collectivity beyond 78Ni
F. BrowneC, V. Werner et al.
6
Neutron intruder states and collectivity beyond N = 50 towards 78Ni
F. Flavigny et al.
7
High-resolution spectroscopy and lifetime measurements in neutron-rich Zr and Mo isotopes
W. Korten et al.
8
Single particle structure of semi-magic 129Ag82
T. Parry et al.
9
Characterization of a strongly Coulomb-excited state at an excitation energy above 4 MeV in 136Te
A. Jungclaus et al.
10
Study of the 9C proton breakup reaction
A. I. Chilug et al.
11
Gamow-Teller giant resonance in 11Li neutron drip-line nucleus
L. Stuhl et al.
12
One proton removal cross section of 25F with a carbon target
Y. Yoshitome et al.
13
Particle identification of SAMURAI11 experiment
J. Gao et al.
14
Symmetry energy investigation with pion production from Sn + Sn systems
G. Jhang et al.
15
Proton efficiency function for high-multiplicity events in the SπRIT-TPC investigated by the embedding technique
M. Kaneko et al.
16
Observation of anisotropic collective flow of charged particles and neutrons in heavy-ion collisions at beam energies of 400 MeV/nucleon
S. Yamamura et al.
17
Measurement of proton elastic scattering from 132Sn at 300 MeV/nucleon in inverse kinematics
T. Harada et al.
18
Results on the β decay of 60Ge and 62Ge measured at RIBF
S. E. A. Orrigo et al.
19
On the β-decay of 70Kr
A. Vitéz-Sveiczer et al.
20
Measuring β-decay strength distribution in the 78Ni region using VANDLE
M. Singh et al.
21
Constraining multi-neutron emission models with spectroscopy of neutron-rich Ga isotopes using BRIKEN array
R. Yokoyama et al.
22
Spectroscopy of 99Cd and 101In from β decays of 99In and 101Sn
J. Park et al.
23
Total absorption γ-spectroscopy study of the beta decay of 100Sn
J. A. Victoria et al.
24
Shape evolution of 106, 108, 110Mo in the triaxial degree of freedom
J. Ha et al.
25
Evolution of proton single-particle states in neutron-rich Sb isotopes beyond N = 82
A. Jungclaus et al.
26
BRIKEN measurements of Pn-values and half-lives for understanding the formation of the r-process rare-earth peak: progress on the Ce to Nd region
A. Tarifeño-Saldivia et al.
27
Precision measurement of ground-state electric quardrupole moment for neutron-rich 21O
A. Gladkov et al.
28
Investigations of magnetic moments in Coulomb fission
G. Häfner et al.
29
Re-measurement of the 4He(8He, 8Be) reaction
S. Masuoka et al.
30
Alpha-decay correlated mass measurement of 206, 207Ra using an MRTOF-MS system equipped with an α-TOF detector
T. Niwase et al.
31
First high-precision direct determination of the atomic mass of a superheavy nuclide
P. Schury, T. Niwase, et al.
32
β-decay spectroscopy of 187Ta
M. Mukai et al.
33
β-γ Spectroscopy of 192Re
H. Watanabe et al.
34
Insight into the reaction dynamics of proton drip-line nuclear system 17F + 58Ni at near-barrier energies
L. Yang et al.
35
2. Nuclear Physics (Theory)  
Dineutron and effective pairing forces in momentum space
M. Yamagami
37
Structure of 12C studied by the no-core Monte-Carlo shell model
T. Abe et al.
38
Double charge-exchange phonon states
X. Roca-Maza et al.
39
Exotic nuclear shape due to cluster formation at high angular momentum
B. Dey et al.
40
Probing dilute nuclear density by antiproton-nucleus scattering
K. Makiguchi et al.
41
Nuclear charge radii with a trained feed-forward neural network
Di Wu, C. L. Bai et al.
42
Effects of finite nucleon size, vacuum polarization, and electromagnetic spin-orbit interaction on nuclear binding energies and radii in spherical nuclei
T. Naito, X. Roca-Maza et al.
43
Trajectory in 2D plot of IS and IV densities of 48Ca and 208Pb
S. Yoshida, H. Sagawa et al.
44
Energy-weighted sum rule for Gamow-Teller giant resonances in high-spin isomeric states of N = Z nuclei
M. Sasano et al.
45
A fully microscopic model of total level density in spherical nuclei
N. Quang Hung et al.
46
Isobaric analog state energy in deformed nuclei: A toy model
X. Roca-Maza et al.
47
Parity-conserved self-consistent CHFB solution
K. Sugawara-Tanabe and K. Tanabe
48
Role of exact treatment of thermal pairing in radiative strength functions of 161, 163Dy nuclei
L. Tan Phuc et al.
49
Non-relativistic expansion of Dirac equation by the reconstituted Foldy-Wouthuysen transformation
Y. X. Guo and H. Z. Liang
50
On the role of three-particle interactions in nuclear matter
W. Bentz and I. C. Cloët
51
A3-Foresight theory collaboration for nuclear data library: A3LIB
K. Yoshida
52
3. Nuclear Data  
EXFOR compilation of RIBF data in 2020
T. Tada et al.
53
4. Hadron Physics  
Transverse momentum dependence of forward neutron single spin asymmetries in polarized p + p collisions at √s = 200 GeV
B. Mulilo et al.
55
Transverse single-spin asymmetry for very forward neutral pion production in polarized p + p collisions at √s = 510 GeV
M. H. Kim et al.
56
Transverse single spin asymmetry in charged pion production at midrapidity in polarized p + p collisions at 200 GeV
J. H. Yoo et al.
57
Improvement of the DCA resolution for PHENIX
G. Nukazuka et al.
58
Recent progress of polarized Drell–Yan experiment at Fermilab,SpinQuest (E1039)
K. Nagai et al.
59
Measurement of J/ψ productions in p + d and p + p at SeaQuest
K. Nakano et al.
60
Expression of interest for EIC-Japan
Y. Goto et al.
61
Semi-inclusive deep inelastic scattering at the Electron Ion Collider
R. Seidl
62
Bus-extender development for sPHENIX INTT detector
T. Hachiya et al.
63
5. Hadron Physics (Theory)  
Non-global logarithms in hadron collisions at Nc = 3
Y. Hatta and T. Ueda
65
Verification of the QED tenth-order electron g−2: Diagrams without a fermion loop
A. Hirayama and M. Nio
66
6. Particle Physics  
Time development of conformal field theories associated with L1 and L−1 operators
T. Tada
67
Study of Lorentzian sine-square deformed CFT
X. Liu and T. Tada
68
Empirical formulas for the standard-model parameters
Y. Akiba
69
Quarternion-spin-isospin model for the standard-model parameters
Y. Akiba
70
R = 12H20 and its implications to gravity and cosmology
Y. Akiba
71
7. Astrophysics and Astro-Glaciology  
A novel high-resolution laser-melting sampler for discrete analyses of ion concentrations and stable water isotopic compositions in firn and ice cores
Y. Motizuki et al.
73
Annually resolved d-excess record from a shallow ice core (DFS10) near Dome Fuji station, East Antarctica
Y. V. Sahoo et al.
74
8. Accelerator  
High-intensity vanadium-beam production to search for a new super-heavy element with Z = 119
T. Nagatomo et al.
75
R&D in AVF cyclotron
J. Ohnishi et al.
76
Charge stripper ring for RIKEN RI beam factory
H. Imao
77
2020 operational report for the Nishina RIBF water-cooling system
T. Maie, E. Ikezawa, et al.
78
Status of vacuum pumping systems in accelerator facilities
Y. Watanabe et al.
79
9. Instrumentation  
Development of 216Th and 220Th beams at the BigRIPS separator
N. Fukuda et al.
81
BYACO ecosystem for innovative online operation of BigRIPS experiments with seamless connection to comprehensive analysis
T. Sumikama et al.
82
Development of auto-focusing and auto-centering system for the BigRIPS separator
Y. Shimizu et al.
83
Thermo-mechanical simulation of high-power rotating target for BigRIPS separator
K. Yoshida and Y. Yanagisawa
84
Incidents involving the DMT3 magnet in the beam transport line fromSRC to BigRIPS
K. Kusaka et al.
85
Trace-back method for dispersion matching conditions of primarybeams at RIBF
A. Sakaue et al.
86
Conceptual design of a heavy ion storage ring RUNBA
M. Wakasugi et al.
87
Development of Resonant-Extraction Charge Breeder (RECB)
R. Ogawara et al.
88
Development of a forward detector for the measurement of the mean square radius of the neutron distribution of unstable nuclei by electron scattering
H. Wauke et al.
89
Ion-beam-profile monitor using MCP at the SCRIT electron scattering facility
T. Ohnishi et al.
90
Extraction test of stopped Bi isotopes in PALIS gas cell
T. Sonoda et al.
91
Improvement of evacuation time of RI from argon gas cell
T. Sonoda et al.
92
Fourth report on offline tests for RF carpet transportation in RF ion guide gas cell at the SLOWRI facility
A. Takamine et al.
93
High mass resolving power and isomeric state separation at SLOWRI/ZD-MRTOF system
W. Xian, M. Rosenbusch et al.
94
Offline ion source for laser spectroscopy of RI at SLOWRI
M. Tajima et al.
95
Temperature and pressure dependence of ion extraction from RF gas cell
D. Hou, A. Takamine et al.
96
Degrader optimization for ZeroDegree gas cell
S. Chen et al.
97
Online extraction efficiency from RF ion guide gas cell at SLOWRI
S. Iimura et al.
98
Development of MCP timing detector for low-energy heavy ions
T. T. Yeung et al.
99
Improvement of kicker system for rare-RI ring
Y. Yamaguchi et al.
100
Improved position resolution of the beam diagnostics detector for the Rare-RI Ring
G. Hudson-Chang, S. Naimi et al.
101
Computer server and network for HiCARI experiments
H. Baba et al.
102
Development of a high-bandwidth waveform processing system using RFSoC
S. Takeshige et al.
103
GPU acceleration of SAMURAI particle tracking simulation
J. Gao
104
Observation of Rb D1 fluorescence in superfluid helium using picosecond time-resolved detection
Y. Takeuchi et al.
105
Development of ion trap system for the neutralizer toward production of spin-polarized RI beam using atomic beam magnetic resonance method
K. Imamura et al.
106
Status of the J-PARC E16 experiment in 2020
S. Yokkaichi et al.
107
Construction of GEM Tracker for J-PARC E16 experiment Run0-a
T. N. Murakami et al.
108
Performance evaluation of the electron identification system for the J-PARC E16 experiment
S. Nakasuga et al.
109
Intermediate silicon tracker for sPHENIX experiment at RHIC
I. Nakagawa et al.
110
Detection efficiency of the INTT test bench for sPHENIX
G. Nukazuka et al.
111
Radiation resistance of bus extender cable for sPHENIX-INTT
H. Imai et al.
112
Electrical and mechanical properties of the bus-extender
M. Morita, Y. Akiba et al.
113
Upgrade of the Si-CsI array TiNA for transfer reactions at OEDO
B. Mauss, J. W. Hwang et al.
114
Heat durability test of molybdenum foil for the new CRIB cryogenic gas target
S. Hayakawa et al.
115
Radiation resistivity test of an optical fiber for laser cooling of francium atoms
T. Hayamizu et al.
116
Development of novel detection system for francium ions extracted from online surface ionizer
N. Ozawa et al.
117
Experiment on hydrogen removal apparatus for helium supply and recovery system
M. Nakamura et al.
118
Safety interlock system for LINAC building
A. Akasiho et al.
119
Computing and network environment at the RIKEN Nishina Center
T. Ichihara et al.
120
CCJ operations in 2020
S. Yokkaichi et al.
121
Ⅲ. RESEARCH ACTIVITIES II (Material Science and Biology)  
1. Atomic and Solid State Physics (Ion)  
Control of electrical conductivity in diamond by boron-implantation using an ECR ion source—application of high-temperature and high-pressure annealing
H. Yamazaki et al.
123
Single-event effects in SiC planar and trench power MOSFETs
M. Iwata et al.
124
Profile measurements of dual-microbeams generated by glass capillaries
M. Mori et al.
125
2. Atomic and Solid State Physics (Muon)  
Partial order of conduction electrons in Mn3CoSi
S. Shamoto, D. P. Sari et al.
127
Magnetism and superconductivity in underdoped region of T*-type La1−x/2Eu1−x/2SrxCuO4−yFy
M. Takahama et al.
128
Spin dynamics in Pyrochlore Nd2Mo2O7
L. J. Chang et al.
129
Possible multipolar ordering in spin-orbital-entangled d2 system on a face-centered-cubic lattice
T. Takayama et al.
130
Successive Transitions in Spin-dimer Compound Cs3V2Cl9
H. Kikuchi et al.
131
Magnetism of novel heavy fermion compound YbCu4Ni investigated by µSR
T. Taniguchi et al.
132
ZF-µSR measurement to investigate thermal hysteresis of MgTi2O4 at low temperature
U. Widyaiswari et al.
133
Observation of Cu spin fluctuations in over-doped regime La2-xSrxCuO4 nanoparticles
S. Winarsih et al.
134
The electron transfer channel in the sugar recognition system assembled on gold nano particles
T. Goto et al.
135
Antiferromagnetic ordering of λ-(BEST)2FeCl4 observed by µSR measurement
T. Kobayashi et al.
136
Zero-field µSR on the out-of-plane superconductivity of λ-(BETS)2GaCl4
D. P. Sari et al.
137
Li-ion diffusion in LiFeSixP1−xO4/C with x = 0 and 0.03
F. Astuti et al.
138
Measurement of muon spin rotation in muonic hydrogen atom
S. Kanda and K. Ishida et al.
139
A LYSO calorimeter prototype for muonic X-ray detection
S. Kanda and K. Ishida et al.
140
3. Radiochemistry and Nuclear Chemistry  
Production of 266Bh in the 248Cm(23Na, 5n)266Bh reaction and its decay properties
H. Haba et al.
141
Measurement of the isotopic ratio of Np-236 to Np-237 in Th-232 + Li-7 reaction products by accelerator mass spectrometry
A. Nakajima et al.
142
Production and photon measurement of 229Pa toward the observation of radiative decay of 229mTh
Y. Shigekawa et al.
143
Measurement of extraction time and efficiency of 220Rn ions using a cryogenic RF-carpet gas cell for the chemistry of superheavy elements
Y. Shigekawa et al.
145
Anion-exchange behavior of Db in HF/HNO3 solution
M. Kato et al.
147
Anion exchange of Rf in H2SO4 using the batch-type solid-liquid extraction apparatus AMBER
T. Yokokita et al.
148
Online anion-exchange experiment of Zr in H2SO4 for the chemical study of Rf in H2SO4
T. Yokokita et al.
149
Solvent extraction of Zr and Hf from HCl by Aliquat 336 using a flow-type extraction apparatus toward online chemical studies of element 104, rutherfordium
Y. Kasamatsu et al.
150
Cation- and anion-exchange behavior and UV-vis spectroscopy of Zr in HBr for chemical characterization of bromide complexes of Rf
T. Yokokita and H. Haba
151
Solvent extraction of Fr and Cs with calix[4]arene-bis(benzocrown-6)
Y. Komori and H. Haba
152
Solvent extraction and speciation of astatine species via thin layer chromatography
S. Maruyama et al.
153
99Ru and 57Fe Mössbauer spectroscopic studies of Na2Ru1-xFexO3 of sodium-ion battery electrode (2)
K. Hamano et al.
154
Targeted alpha therapy for thyroid cancer: Radiation-induced toxicity of [211At]NaAt in mice
Y. Liu et al.
155
Quality confirmation of RIKEN 186Re using bifunctional chelating agents and derivatives
S. Oshikiri et al.
156
Complex formation of Rhenium-186 with lipophilic ligands—Comparison with technetium-99m—
I. O. Umeda et al.
157
Simultaneous imaging of Na+/K+ by semiconductor Compton camera GREI
S. Motomura et al.
159
Development of image reconstruction method for a multiple-isotope PET using 44mSc
T. Fukuchi et al.
160
Double photon emission nuclides for double photon coincidence imaging
H. Takahashi et al.
161
Production cross sections of 225Ac in the 232Th(14N, xnyp) reactions at 116 and 132 MeV/nucleon
X. Yin et al.
162
Cross sections of alpha-particle-induced reactions on natNi: Production of 67Cu
S. Takács et al.
164
Production cross sections of 68Ga and radioactive by-products in deuteron-induced reactions on natural zinc
Ts. Zolbadral et al.
165
Activation cross section measurement of the deuteron-induced reaction on yttrium-89 for zirconium-89 production
M. Sakaguchi et al.
166
Excitation functions of deuteron-induced reactions on 141Pr for medical radioisotope production
M. Aikawa et al.
167
Production cross sections of medical radioisotope 153Sm in alpha-particle-induced reaction on natural neodymium
M. Sakaguchi et al.
168
Production cross sections of 155Tb in deuteron-induced reactions on natural gadolinium
D. Ichinkhorloo et al.
169
Production cross sections of natEr(d, x)171Er reactions on natural erbium
M. U. Khandaker and H. Haba
170
Measurement of production cross sections of 175Hf in the natLu(p, x) and natLu(d, x) reactions
Y. Komori et al.
171
4. Radiation Chemistry and Biology  
Selection of high-yield rice mutant induced by heavy-ion beam irradiation
Y. Hayashi et al.
173
Whole genome sequencing analysis for detecting mutations induced by carbon- and argon-ion irradiations of rice (Oryza sativa L.)
R. Morita et al.
174
Detection of structural variations in three responsible genes induced by relatively high-LET ion beams in rice
Y. Shirakawa et al.
175
Dose-dependent mutagenic effects of 160-MeV/nucleon-argon beam in Arabidopsis thaliana
K. Ishii et al.
176
Argon-ion-induced mutant of Arabidopsis thaliana exhibiting accelerated leaf chlorosis
A. Sanjaya et al.
178
Effect of heavy-ion irradiation on survival rate of Torenia fournieri
A. Matsuta et al.
179
Behaviors of the Saprophytic Tricholoma matsutake Mutants G1 and Ar 59 In Vitro Substrate Cultivation: the former exhibited Morphological Changes while the latter did not
H. Murata et al.
180
Ⅳ. OPERATION RECORDS  
Program Advisory Committee meetings for nuclear physics and for materials and life sciences
H. Ueno et al.
181
Electric power status of RIKEN Nishina Center in 2020
E. Ikezawa et al.
182
RILAC operation
K. Oyamada, E. Ikewaza, et al.
183
Operation report on the ring cyclotrons in the RIBF accelerator complex
S. Ishikawa et al.
184
Operation report on the RIKEN AVF cyclotron for 2020
M. Nishida et al.
185
Present status of liquid-helium supply and recovery system
T. Dantsuka et al.
186
Operation of the BigRIPS cryogenic plant
K. Kusaka et al.
187
Radiation safety management at RIBF
K. Tanaka et al.
188
Operation of the Pelletron tandem accelerator
T. Ikeda et al.
190
Fee-based activities of the Industrial Application Research Team
A. Yoshida et al.
191
Activity report of the second-term (2014–2021) RIBF Theory Forum
T. Abe et al.
192
Ⅴ. EVENTS  
Symposium on Nuclear Data 2020
H. Otsu et al.
195
The 8th Asia-Pacific Conference on Few-Body Problems in Physics (APFB2020)
E. Hiyama et al.
196
Domestic Workshop on Spin Physics
Y. Goto et al.
197
Ⅵ. ORGANIZATION AND ACTIVITIES OF RIKEN NISHINA CENTER  
(Activities, Members, Publications & Presentations)  
Organization  
1 Organization Chart 199
2. Finances 200
3. Staffing 200
4. Research publication 201
5. Management 202
6. International Collaboration 206
7. Awards 207
8. Brief overview of the RI Beam Factory 209
Center Director 211
Laboratories  
Nuclear Science and Transmutation Research Division  
Radioactive Isotope Physics Laboratory 213
Spin isospin Laboratory 220
Nuclear Spectroscopy Laborarory 227
High Energy Astrophysics Laborarory 232
Superheavy Element Research Group 238
        Superheavy Element Production Team 240
        Superheavy Element Device Development Team 243
Astro-Glaciology Research Group 245
Nuclear Transmutation Data Research Group 247
        Fast RI Data Team 248
        Slow RI Data Team 250
        Muon Data Team 252
High-Intensity Accelerator R&D Group 254
        High-Gradient Cavity R&D Team 255
        High-Power Target R&D Team 256
Research Facility Development Division
Accelerator Group 257
        Accelerator R&D Team 259
        Ion Source Team 260
        RILAC Team 261
        Cyclotron Team 262
        Beam Dynamics & Diagnostics Team 263
        Cryogenic Technology Team 265
        Infrastructure Management Team 266
Instrumentation Development Group 268
        SLOWRI Team 270
        Rare RI-ring Team 273
        SCRIT Team 275
Research Instruments Group 277
        BigRIPS Team 278
        SAMURAI Team 281
        Computing and Network Team 283
        Detector Team 285
Accelerator Applications Research Division  
Beam Mutagenesis Group 287
        Ion Beam Breeding Team 288
        Plant Genome Evolution Research Team 291
RI Application Research Group 293
        Nuclear Chemistry Research Team 294
        Industrial Application Research Team 300
Subnuclear System Research Division  
Quantum Hadron Physics Laboratory 301
Strangeness Nuclear Physics Laboratory 306
Radiation Laboratory 309
Meson Science Laboratory 314
RIKEN BNL Research Center 319
        Theory Group 320
        Experimental Group 324
        Computing Group 329
RIKEN Facility Office at RAL 334
Safety Management Group 338
User Liaison Group 340
        RIBF User Liaison Team 341
        Outreach Team 342
Office of the Center Director 343
Partner Institutions 347
Center for Nuclear Study, Graduate School of Science The University of Tokyo 348
Wako Nuclear Science Center, IPNS (Institute of Particle and Nuclear Studies),  
        KEK (High Energy Accelerator Research Organization) 358
Ⅶ. APPENDICES  
Symposia & Workshops 361
Seminars 362
Events 367
Press Releases 368
Preprints 369

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