RIKEN Accelerator Progress Report

RIKEN Accelerator Progress Report 2018 Vol. 52

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PREFACE  
Ⅰ. HIGHLIGHTS OF THE YEAR  
First observation of 20B and 21B
S. Leblond et al.
1
Gamow–Teller giant resonance in 132Sn
M. Sasano, J. Yasuda et al.
2
First spectroscopy of the near drip-line nucleus 40Mg
H. L. Crawford, P. Fallon et al.
3
Interplay between nuclear shell evolution and shape deformation revealed by magnetic moment of 75Cu
Y. Ichikawa et al.
4
Mass measurements of neutron-rich Ni isotopes in Rare RI Ring
A.Ozawa et al.
5
Discovery of 60Ca and Implications For the Stability of 70Ca
O. B. Tarasov
6
Nuclear surface diffuseness revealed in nucleon-nucleus diffraction
W.Horiuchi and A. Kohama
7
Proton- and deuteron-induced reactions on 107Pd and 93Zr at 20–30 MeV/nucleon
M. Dozono et al.
8
Transverse momentum dependent fragmentation measurements in Belle
R.Seidl
9
Measurement of elliptic flow of single electrons from semi-leptonic decay of charm and bottom hadrons in Au+Au collisions at √ sNN = 200 GeV
Y.Ueda et al.
10
The chiral propulsion effect
Y.Hirono et al.
11
Superconducting RILAC booster
N.Sakamoto et al.
12
Remodeling of acceleration cavity resonators for RIKEN Ring Cyclotron
K. Yamada et al.
13
He gas stripper with N2 gas-jet curtain
H. Imao et al.
14
Upgrade of particle selection system for Rare RI Ring experiments
Y. Abe et al.
15
Aberration correction study for high-resolution optics of BigRIPS using sextupole magnets
T.Nishi et al.
16
In-gas-jet laser ionization spectroscopy at KISS
Y.Hirayama et al.
17
Microgram-order palladium isotope separation by odd-mass-selective photoionization
T.Sonoda and T. Kobayashi
18
Introducing silver atoms into superfluid helium for precision laser spectroscopy
W. Kobayashi et al.
19
Magnetic properties of Alkali-metal Superoxide, NaO2
F. Astuti et al.
20
Mass spectrometric speciation of mononuclear Re carbonyls in the gas phase
Y. Wang et al.
21
Practical synthesis of 211At-labeled immunoconjugate by double click method for α-emission cancer radiotherapeutics
K. Fujiki and K. Tanaka et al.
22
Activation cross sections of α-induced reactions on natZn for Ge and Ga production
M. Aikawa et al.
23
A novel mutation induced by Ar-ion-irradiation affect grain length and improve yield in rice
R. Morita et al.
24
Recent progress in overcoming interspecific hybrid sterility in rice
Y. Koide et al.
25
Improved and robust method to efficiently deplete repetitive elements from complex plant genomes
H. Ichida and T. Abe
26
Ⅱ. RESEARCH ACTIVITIES I (Nuclear, Particle and Astro-Physics)  
1. Nuclear Physics  
Breakup of 9C studied at SAMURAI
A. I. Chilug, V. Panin et al.
27
Cluster structure of neutron-rich beryllium isotopes investigated by cluster quasi-free scattering reaction
P. Li, D. Beaumel
28
Particle identification in 11Li(p, n) experiment at SAMURAI
Y Hirai et al.
29
Neutron-gamma separation performance of PANDORA in SAMURAI30 experiment
Y. Hirai et al.
30
Gamow-Teller resonance in 14Be(p, n) reaction
J. Gao and L. Stuhl
31
Systematic study of one-proton and two-proton knockout reactions by deuterium target
M. Miwa et al.
32
Study of spin-isospin response of 11Li (SAMURAI30 experiment)
L. Stuhl et al.
33
Overview of the experimental setup of SAMURAI30 to measure the 11Li(p, n) reaction in inverse kinematics
M. Sasano, L. Stuhl et al.
34
Neutron-neutron correlation in Borromean nucleus 11Li via the (p, pn) reaction
Y. Kubota et al.
35
Particle identification of light charged particle by SπRIT-TPC in Sn-Sn isotopic reactions
M. Kaneko et al.
36
Recent results of collective flow for SπRIT-TPC experiment
M. Kurata-Nishimura et al.
37
New implant-decay correlation method for β-delayed neutron emission measurements with the BRIKEN setup
O. Hall et al.
38
Progress on the measurements of Pn-values and half-lives for understanding the formation of the r-process rare-earth peak
A. Tarifeño-Saldivia
39
β decays of the heaviest N = Z − 1 nuclei and proton instability of 97In
J. Park et al.
40
Beta-gamma spectroscopy of neutron-rich 150Ba
R. Yokoyama et al.
41
Preliminary results on β-decay of the Tz = −1 nucleus 66Se at RIBF
P. Aguilera et al.
42
Study of β-decay of 71Kr
A. Sveiczer et al.
43
Coexisting single-particle and octupole states in 133Sn
G. Simpson et al.
44
Inelastic scattering of neutron-rich Ni and Zn isotopes off a proton target
M. L. Cortés et al.
45
Magnetic-moment measurement of the isomeric state of 130Sn in the vicinity of doubly-magic nucleus 132Sn
G. Georgiev et al.
46
Track distortion due to ion back flow in CAT-S at RIBF113: 132Sn(d, d’) measurement
S. Ota et al.
47
First mass measurements of neutron-rich calcium isotopes, 55–57Ca
S. Michimasa et al.
48
Re-measurement of the 4He(8He, 8Be) reaction
S. Masuoka, S. Shimoura et al.
49
Evaluation of 79Se(n, γ)80Se reaction by measuring 77, 79Se(d, p)78, 80Se reactions
N. Imai, M. Dozono et al.
50
Fine tuning of isochronism in Rare RI Ring using resonant Schottky monitor
F. Suzaki et al.
51
Preliminary analysis of the mass measurement experiment in the south-western region of 132Sn with Rare RI Ring
H. F. Li et al.
52
First online experiment of α-ToF detector with MRTOF-MS
T. Niwase et al.
53
β-γ spectroscopy of 195Os at KISS
M. Ahmed et al.
54
Feasibility study of 199Pt Q-moment measurement using in-gas-jet laser ionization spectroscopy at KISS
H. Choi et al.
55
Electric field gradient of ZnO crystal measured byβ-NQR of 23Ne
H. Nishibata et al.
56
7Be target production to measure 7Be(d, p) reaction for the primordial 7Li problem in Big-Bang Nucleosynthesis
A. Inoue et al.
57
New measurement of 8Li(α, n)11B reactions
Y. Mizoi et al.
58
Trojan Horse Method-based study of the 18F(p, α)15O reaction at astrophysical energies: update on the 2015 run
S. Cherubini et al.
59
Gamow-Teller transitions in 6He with PANDORA
L. Stuhl et al.
60
β-NMR measurements for 21O at HIMAC
A. Gladkov et al.
61
RI beam production at BigRIPS in 2018
Y. Shimizu et al.
62
Measurement of production cross-section and momentum distribution of isotopes produced from 18O beam
H. Takeda et al.
64
Cross-section measurement of neutron-rich isotopes produced from an RI beam of 132Sn using a two-step scheme
H. Suzuki et al.
65
2. Nuclear Physics (Theory)  
Improvement of functionals in density functional theory using inverse Kohn-Sham method and density functional perturbation theory
D. Ohashi, T. Naito et al.
67
Coulomb exchange functional with generalized gradient approximation for self-consistent Skyrme Hartree-Fock calculations
T. Naito, X. Roca-Maza et al.
68
Joint project for large-scale nuclear structure calculations in 2018
N. Shimizu et al.
69
Bubble nuclei within the self-consistent Hartree-Fock mean field plus pairing approach
L. Tan Phuc et al.
70
Dineutron correlation and large quadrupole collectivity in deformed Mg isotopes near neutron drip line
M. Yamagami
71
Isoscalar and isovector spin responses in sd-shell nuclei
H. Sagawa and T. Suzuki
72
Self-consistent constrained HFB in odd-A nuclei
K. Sugawara-Tanabe and K. Tanabe
73
Nuclear symmetry energy and the breaking of the isospin symmetry: how do they reconcile with each other ?
X. Roca-Maza et al.
74
Neutron-proton pairing correlations and deformation for N = Z nuclei in pf-shell using deformed BCS and HFB approach
E. Ha et al.
75
Spin-singlet and spin-triplet pairing correlations on shape evolution in sd-shell N = Z Nuclei
E. Ha et al.
76
Low-lying collective excited states in non-integrable pairing models based on stationary phase approximation to the path integral
F. Ni et al.
77
Study of giant dipole resonance in hot rotating light mass nucleus 31P
D. Mondal et al.
78
3. Nuclear Data  
Verification test of 107Pd transmutation
Y. Miyake et al.
79
Measurement of neutron production from 7 MeV/nucleon α incidence on a Bi target
K. Sugihara et al.
80
EXFOR compilation of RIBF data in 2018
S. Jagjit et al.
81
4. Hadron Physics  
Preliminary result of the transverse single spin asymmetry in very forward π0 production in 510 GeV p + p collisions
M. H. Kim
83
The stability of energy scale for RHICf photon measurement during the 2017 operation
K. Sato et al.
84
Cross section and longitudinal single-spin asymmetry AL for forward W± →μ±ν production in polarized p + p collisions – at √ s = 510 GeV
R. Seidl
85
Progress in analysis technique for extracting light-antiquark flavor asymmetry by SeaQuest at Fermilab
K. Nagai et al.
86
Forward hadron calorimeter R&D
Y. Goto et al.
87
Development of the intermediate silicon tracker for sPHENIX experiment at RHIC
I. Nakagawa
88
Tracking performance simulation for INTT at sPHENIX
T. Todoroki et al.
89
Preparation status of the J-PARC E16 experiment in 2018
S. Yokkaichi
90
Spectroscopy of pionic atoms in 122Sn(d, 3He) reaction and angular dependence of the formation cross sections
T. Nishi et al.
91
Isotope identification in nuclear emulsion plate for double-hypernulcear study
S. Kinbara et al.
92
5. Hadron Physics (Theory)  
Short range πJ/ψ − DD¯* interaction
Y. Yamaguchi et al.
93
Proton decay matrix elements at physical quark mass
Y. Aoki et al.
94
The πγ →ππ transition and the ρ radiative decay width from lattice QCD
S. Meinel et al.
95
Neutron stars from an effective quark theory of QCD
T. Tanimoto
96
6. Particle Physics  
Baryon spectrum of an SU(4) composite Higgs theory
E. T. Neil et al.
97
Updated empirical formulae of the masses of elementary particles
Y. Akiba
98
A model of the empirical mass formulae of elementary particles
Y. Akiba
99
7. Astrophysics and Astro-Glaciology  
High-sensitivity sulfur isotopic measurements for Antarctic ice core analyses
K. Takahashi et al.
101
Mass Measurements with the Rare-RI Ring for the A = 130 r-process Abundance Peak
S. Naimi
102
8. Accelerator  
Construction of New 28-GHz ECR ion source for RILAC
T. Nagatomo et al.
103
Development of prototype superconducting linac for low-beta ions
N. Sakamoto et al.
104
Performance test of bulk-niobium cavities for new superconducting linear accelerators
K. Yamada et al.
105
Input power coupler for SRILAC
K. Ozeki et al.
106
Development of RIKEN 28 GHz SC-ECRIS for the production of intense metal ion beam
Y. Higurashi et al.
107
Beam energy adjuster for super-heavy element synthesis at RIKEN Ring Cyclotron
K. Yamada et al.
108
Operation of high-temperature oven for 28-GHz superconducting ECR ion source
J. Ohnishi et al.
109
Laser Energy Dependence of Plasma Instability by Solenoid Magnetic Field
T. Karino et al.
110
Evaluation of beam orbit calculation method for the injection line of AVF cyclotron and performance evaluation of pepper-pot emittance monitor
Y. Kotaka et al.
111
Updating control units around the AVF cyclotron
M. Komiyama et al.
112
Reconstruction of RF system controller for RIKEN Ring Cyclotron
K. Yamada et al.
113
Radiation monitoring for cycrotrons in RIBF
M. Nakamura et al.
114
Development of beam interlock system driven by change in current of the magnet
K. Kumagai and A. Uchiyama
115
Design of reliable control with star-topology fieldbus communication for an electron cyclotron resonance ion source at RIBF
A. Uchiyama
116
Operation report for Nishina and RIBF water-cooling systems
T. Maie et al.
117
Pressure measurement of plasma window with large diameter
N. Ikoma et al.
118
Maintenance of vacuum conditions of RILAC
S. Watanabe et al.
119
9. Instrumentation  
Application of the Generic Electronics for Time Projection Chamber (GET) readout system for heavy radioactive isotope collision experiments
T. Isobe et al.
121
PANDORA, a large volume low-energy neutron detector with real-time neutron-gamma discrimination
L. Stuhl et al.
122
Measurement of total kinetic energy using LaBr3(Ce) crystal in ZeroDegree spectrometer for two-step experiment
H. Suzuki et al.
123
Prototype of new delay line with chip inductors for the PPAC
H. Sato et al.
124
Development of electronics to allow vertex determination in the KISS MSPGC
P. Schury et al.
125
Development of Plastic Scintillator Barrel for WASA at GSI
R. Sekiya et al.
126
Energy dependence study of cylindrical drift chamber used for the MTV experiment
F. Goto et al.
127
Development of long and high-density data bus for sPHENIX INTT detector
T. Hachiya et al.
128
Performance evaluation of sensor module for INTT at sPHENIX
A. Suzuki et al.
129
Slit system between the foci F2 and F3 of the BigRIPS separator
K. Yoshida et al.
130
Fast beam interlock system for BigRIPS separator
K. Yoshida
131
Thermal model simulation of high-power rotating target for BigRIPS separator
Z. Korkulu et al.
132
Primary beam intensity calibration method using charge-states distribution
D. S. Ahn et al.
133
Angle-tunable degrader system for OEDO
J. W. Hwang et al.
134
Development of dispersion-matching optics of primary beam for SRC-BigRIPS system
S. Y. Matsumoto et al.
135
SHE-Mass-II: an MRTOF-MS for Super Heavy Nuclei
M. Wada et al.
136
Status and future plans of the MRTOF MS constructed at the SLOWRI facility
M. Rosenbusch et al.
137
Development of multiple reflection time of flight mass spectrograph at KISS
J. Y. Moon et al.
138
Offline test for RF carpet transportation in RF ion guide gas cell at the SLOWRI facility
A. Takamine et al.
139
Study of extraction yield of multi-nucleon transfer reaction products by using cooled argon gas cell
Y. Hirayama et al.
140
Yield analysis using target sliding system at KISS
Y. X. Watanabe et al.
141
Present status of ERIS at the SCRIT electron scattering facility
T. Ohnishi et al.
142
Electron-beam-current control at RTM injector
M. Watanabe et al.
143
Modification of dc-to-pulse converter FRAC
S. Sato et al.
144
Precise magnetic field measurement of WiSES
H. Wauke et al.
145
MPV – Parallel Readout Extension of VME
H. Baba et al.
146
Validation method to merge digital data acquisition with analog data-acquisition system in SAMURAI30 experiment
J. Gao, L. Stuhl
147
Development of 1.5-mm thick liquid hydrogen target
S. Koyama and D. Suzuki
148
Profile measurement of a large target cell of liquid hydrogen
M. Miwa et al.
149
The stability of the liquid hydrogen target system during the SAMURAI 30 experiment
X. Sun et al.
150
Design of an Ion Source for the eSHE project Toward Pioneering Electron Scattering on Superheavy Elements
S. Naimi
151
Absolute optical absorption cross-section of Rb atoms injected into superfluid helium using energetic ion beams
K. Imamura et al.
152
Baseline correction system of laser-microwave double resonance spectrum for atoms injected into superfluid helium by laser sputtering
M. Sanjo et al.
153
Attempt to measure relaxation time of atomic bubble surrounding alkaline atoms in superfluid helium
Y. Takeuchi et al.
154
Development of offline ion source for collinear laser spectroscopy of RI beams
M. Tajima et al.
155
Development of active nuclear spin maser with time-separated feedback scheme for Xe-EDM search
T. Sato et al.
156
Epithermal neutron spin filter with dynamic nuclear polarization using photo-excited triplet electron
S. Takada et al.
157
Measurement of impurity nuclides in 10.75 MeV/nucleon 136Xe beam in the atmosphere
T. Kambara and A. Yoshida
158
Computing and network environment at the RIKEN Nishina Center
T. Ichihara et al.
159
CCJ operations in 2018
S. Yokkaichi et al.
160
Ⅲ. RESEARCH ACTIVITIES II (Material Science and Biology)  
1. Atomic and Solid State Physics (Ion)  
Effects of asymmetrically-introduced splayed columnar defects on the peak effect in (Ba, K)Fe2As2
T. Tamegai et al.
161
Control of the electrical conductivity in diamond by ion implantation
H. Yamazaki et al.
162
Investigation of single event effects observed in SiC-SBDs
Y. Nakada et al.
163
Energy dependence of MeV-ion microbeam size extracted from tapered glass capillary optics
M. Ikekame et al.
164
Development of UV microbeam irradiation system by glass capillary optics
S. Kawamura et al.
165
2. Atomic and Solid State Physics (Muon)  
Magnetic ordered states of hole-doped pyrochlore iridates (Y1-x-yCuxCay)2Ir2O7 investigated by μSR
J. Angel et al.
167
Generalization of muon spin relaxation function to study the pseudogap state of the underdoped La2-xSrxCuO4
M. D. Umar and I. Watanabe
168
Magnetic order in defective reduced graphene oxides (rGO) investigated using μSR
R. Asih et al.
169
Ground state of quasi-one dimensional competing spin chain Cs2Cu2Mo3O12
T. Goto and K. Matsui
170
Superconductivity in single crystals of λ-(BETS)2GaCl4 studied by transverse-fieldμSR
D. P. Sari et al.
171
μSR study on ferrimagnetism of Na-K alloy clusters incorporated into zeolite LSX under high-pressure helium gas
T. Nakano et al.
172
Quantum effects of muon on the electronic state of La2CuO4
M. R. Ramadhan et al.
173
Ab-initio calculation and μSR study of the covalency effect in YBa2Cu3O6
I. Ramli et al.
174
Studies of electrical conductivity in 12-mer single-stranded DNA by using scanning tunneling microscope
H. Rozak et al.
175
Magnetic ordering of (Eu1-xCax)2Ir2O7 studied using muon spin relaxation (μSR)
U. Widyaiswari et al.
176
μSR study of the Cu-spin correlation in the electron-underdoped Pr1.3-xLa0.7CexCuO4+δ (x = 0.05) single crystals
T. Adachi et al.
177
Reduction in Néel Temperature of La2CuO4 Nanoparticles
S. Winarsih et al.
178
Muon spin relaxation after hydrogen absorption-desorption process in Pd
M. Mihara et al.
179
Negative muon spin rotation with low-density gas target under transverse magnetic field to solve the proton radius puzzle
S. Kanda et al.
180
Measurement of total muonium emission yield from silica aerogel using μSR method
K. Ishida et al.
181
3. Radiochemistry and Nuclear Chemistry  
Extraction behavior of rutherfordium as a cationic fluoride complex with a TTA chelate extractant from HF/HNO3 acidic solutions
A. Yokoyama et al.
183
Coprecipitation experiment of element 102, No, with Sm(OH)3 using NH3 and NaOH solution
H. Ninomiya et al.
184
Complex formation of Fr with crown ethers
Y. Komori et al.
185
Anion and cation exchange of Pa in HF/HCl mixture solution for Db chemistry
T. Yokokita and H. Haba
186
Study of anion exchange equilibrium of Zr and Hf in H2SO4 for Rf experiment
T. Yokokita et al.
187
Development of 211At-labeled antibody for targeted alpha therapy
Y. Kanayama et al.
188
RI imaging tracers for Na+/K+ dynamics in a living body
S. Motomura et al.
189
Measurement of activation cross sections of alpha particle induced reactions on iridium up to an energy of 50 MeV
S. Takács et al.
190
Cross-section measurement of α-induced reactions on natEr for 169Yb production
M. Saito et al.
191
Activation cross sections of alpha-induced reactions on natIn for 117mSn production
M. Aikawa et al.
192
Investigation of alpha particle induced reactions on natural silver in the 40–50 MeV energy range
F. Ditrói et al.
193
Production cross sections of deuteron-induced reactions on natural palladium for Ag isotopes
N. Ukon et al.
194
Production cross sections of 111Ag in deuteron-induced nuclear reactions on natural palladium
K. Ooe et al.
195
Production cross sections of Mo, Nb and Zr radioisotopes from α-induced reaction on natZr
T. Murata et al.
196
Activation cross sections of deuteron-induced reactions on niobium up to 24 MeV
M. Aikawa et al.
197
New cross section data for production of zirconium-89 by alpha-induced reaction on yttrium target
T. Murata et al.
198
Cross section measurement of the deuteron-induced reaction on 89Y to produce 89Zr
M. Sakaguchi et al.
199
Activation cross sections of alpha particle induced reactions on natural nickel up to 50 MeV
S. Takács et al.
200
Measurement of half-lives of 181, 182a, 182b, 183, 184mRe and 187W
Y. Komori and H. Haba
201
Production of Np isotopes in nuclear reactions for standard material in accelerator mass spectrometry
Y. Hayakawa et al.
202
Column chromatography of astatine using weak base anion exchange resin
H. Ikeda et al.
203
Speciation analysis of oxidation states of astatine extracted into ethanol-water solutions
Y. Shin et al.
204
Purification of 121mTe by anion exchange chromatography
T. Kubota et al.
205
Production of arsenic RI tracer from gallium oxide target by alpha beam irradiation
H. Ikeda et al.
206
Production of 44mSc for multiple-isotope PET
T. Fukuchi et al.
207
Adsorption experiments of 88Y and 143Pm on in HNO3
T. Yokokita et al.
208
4. Radiation Chemistry and Biology  
Development of new cultivar of Hibiscus by C-ion beam irradiation
S. Ochiai et al.
209
Effect of heavy ion beam irradiation on germination and mutation rate in local Toraja rice
R. Sjahril et al.
210
Isolation of the chalky grain mutant 13–45 in rice (Oryza sativa L.)
T. Katsube-Tanaka et al.
211
Molecular analysis of the stay-green mutant dye1 induced by carbon ion beams in rice
H. Yamatani et al.
212
An early-flowering einkorn wheat mutant with deletions of PHYTOCLOCK 1/LUX ARRHYTHMO and VERNALIZATION 2 exhibits a high level of VERNALIZATION 1 expression induced by vernalization
K. Murai et al.
213
Effects of carbon-ion irradiation to male gametes on double fertilization in Cyrtanthus mackenii
T. Hirano et al.
214
Death of pollen tetrads caused by chromosomal rearrangement
Y. Kazama et al.
215
Estimation of efficient dose for heavy-ion beam mutagenesis by whole-genome mutational analysis in Arabidopsis thaliana
K. Ishii et al.
216
Characterization of L-cysteine requiring mutants derived from heavy-ion-beam irradiated cells in the unicellular green alga Parachlorella kessleri
T. Yamazaki et al.
217
Increase of lipid production upon outdoor cultivation of heavy-ion beam irradiation mutant Parachlorella kessleri PK4 and identification of its genetic variations
T. Takeshita et al.
218
Pleiotropic mutant of plant-symbiotic edible mushroom Tricholoma matsutake induced by argon-ion beam
H. Murata et al.
219
Comparison of biological effect between low- and high-LET irradiation on DSB repair in the filamentous fungus Neurospora crassa
L. Ma et al.
220
Effect of different conditions of the mutant isolation system on rotifers by using heavy-ion beam irradiation
K. Tsuneizumi et al.
221
The inhibitor of DNA-PK suppressed DNA repair after heavy-ion irradiation in quiescent mammalian cells
M. Izumi and T. Abe
222
Phosphorylation and accumulation of low-dose high-LET heavy ion-induced bystander signaling molecules
M. Tomita et al.
223
CR-39 imaging method to estimate microbeam profiles produced by tapered glass capillary optics
Y. Hikima et al.
224
Stability test of ion microbeams produced by tapered glass capillary optics for biological use
T. Ikeda et al.
225
Ⅳ. OPERATION RECORDS  
Program Advisory Committee meetings for nuclear physics and for materials and life experiments
K. Yoneda et al.
227
Beam-time statistics of RIBF experiments
K. Yoneda and H. Ueno
228
Electric power consumption of RIKEN Nishina Center in 2018
E. Ikezawa et al.
229
Operation report of the ring cyclotrons in the RIBF accelerator complex
J. Shibata et al.
230
RILAC operation
E. Ikezawa et al.
231
Operation report on the RIKEN AVF cyclotron for 2018
K. Kobayashi et al.
232
Present status of the liquid-helium supply and recovery system
T. Dantsuka et al.
233
Present status of the BigRIPS cryogenic plant
K. Kusaka et al.
234
Radiation safety management at RIBF
K. Tanaka et al.
235
Operation of the Pelletron tandem accelerator
T. Ikeda et al.
237
Fee-based activities by the industrial application research team
A. Yoshida et al.
238
Ⅴ. EVENTS 239
Ⅵ. ORGANIZATION AND ACTIVITIES OF RIKEN NISHINA CENTER 247
Ⅶ. LIST OF PREPRINTS 417
Ⅷ. LIST OF SYMPOSIA, WORKSHOPS & SEMINARS 419

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