CONTENTS

RIKEN Accel. Prog. Rep. 56 (2023)

C O N T E N T S
PagePREFACEGRAVURE
		 FEATURE ARTICLE
		 Nuclear masses weigh heavily with us····································································································S1

Ⅰ. HIGHLIGHTS OF THE YEAR
		 Discovery of 39Na····························································································································
			
D. S. Ahn et al.

S7

		 Study of the N = 32 and N = 34 shell gap for Ti and V by the first high-precision multireflection time-of-flight mass		 measurements at BigRIPS-SLOWRI·····································································································
			
S. Iimura et al.

S9		 Charge-changing cross sections for 42–51Ca and effect of charged-particle evaporation induced by neutron removal
		reactions ····································································································································
			
M. Tanaka et al.

S10		 Probing optimal reaction energy for synthesis of element 119 from 51V+248Cm reaction with quasielastic barrier
		 distribution measurement···················································································································
			
M. Tanaka et al.

S11		 β-delayed one and two neutron emission probabilities south-east of 132Sn and the odd-even distribution of the r-process		abundances···································································································································
			V. H. Phong et al.

S12		 Various nuclear structures in 140Xe studied by β decay of ground and isomeric states in 140I······································
			
A. Yagi et al.

S13

		 Observation of a correlated free four-neutron system··················································································
			
M. Duer et al.

S14		 Isoscaling in central Sn + Sn collisions at 270 MeV/nucleon·········································································
			J. W. Lee et al.

S15

		 Breakup of proton halo nucleus 8B at near-barrier energies···········································································
			
L. Yang et al.

S16

		 Discovery of new isotope 241U and systematical mass measurement of neutron-rich Pa-Pu nuclei with KISS-MRTOF
			 system··································································································································
			
T. Niwase et al.

S17		 α-cluster structure of 12C from first principles····························································································
			
T. Abe et al.

S18

		 Isovector density and isospin impurity in 40Ca··························································································
			
H. Sagawa et al.

S19

		 Large amplitude collective motion in 44S·································································································
			
Y. Suzuki et al.

S20

		 Measurement of flavor asymmetry of light-quark sea in the proton with Drell-Yan dimuon production
		in p + p and p + d collisions at 120 GeV·································································································
			
K. Nakano et al.

S21

		 Energy measurement of beam from SRC for GUINNESS WORLD RECORDSTM registration·································
			 H. Okuno et al.

S22

		 Development of new ionization chamber specialized for high Z beam (II)··························································
			
M. Yoshimoto et al.

S23

		 Atomic-number identification of heavy RI beams using the energy loss in a Xe-based gas······································
			
T. Sumikama et al.

S24

		 Improved transmission of OEDO··········································································································
			
T. Chillery et al.

S25

RIKEN Accel. Prog. Rep. 56 (2023)

CONTENTS

		 Operation test of kicker system with new PFN capacitors·············································································
			
Y. Yamaguchi et al.

S26

		 Design of radiation shield for RI production beam line················································································
			
A. Akashio et al.

S27

		 Amorphous to polycrystalline phase transition in La2O3 films grown on a silicon substrate forming		 Si-doped La2O3 films························································································································
			
R. Lee, A. Kim, T. Ikeda et al.

S28

		 Proton hyperpolarization relay from nanocrystals to liquid water····································································
			
K. Tateishi et al.

S29

		 Estimation of the on-site Coulomb potential in La2CuO4: A μSR and DFT Study··················································
			
M. R. Ramadhan and I. Watanabe

S30

		 Comparison of basis sets for DFT calculation of guanine nucleobase·······························································
			
W. N. Zaharim et al.

S31

		 Relative formation probabilities for fluoride and oxyfluoride anions of U, Np, Pu and Am in accelerator mass
		 spectrometry measurements at VERA····································································································
			
A. Wiederin et al.

S33

		 Extraction of 229Th3+,2+ using RF carpet gas cell and observation of internal conversion process of 229mTh·····················
			
Y. Shigekawa et al.

S34

		 Innovative targeted alpha therapy for prostate cancer: preclinical evaluation of [211At]PSMA5·································
			
T. Watabe et al.

S36

		 Prevention of radionuclide-induced antibody denaturation maintains active targeting and maximizes antitumor efficacy
		in 211At-radioimmunotherapy···············································································································
			
H. Takashima et al.

S37

		 Identification of a sex determining gene in a dioecious plant Silene latifolia·······················································
			 Y. Kazama et al.

S39

		 Screening for high-growth mutants in sporophytes of Undaria pinnatifida using heavy-ion beam irradiation·················
			
Y. Sato et al.

S40

		 Radio-fluorogenic nanoclay gel dosimeters with reduced linear energy transfer dependence for carbon-ion beam		radiotherapy··································································································································
			
T. Maeyama et al.
		 Variability in the net ecosystem productivity (NEP) of seaweed farms······························································
			
Y. Sato et al.

S41
S43

Ⅱ. RESEARCH ACTIVITIES I (Nuclear, Particle and Astro-Physics)
1. Nuclear Physics
		 RI beam production at BigRIPS in 2022·································································································
			
H. Suzuki et al.

1

		 Production cross-section measurements for very-neutron-deficient Ca and As isotopes produced from a 78Kr beam
		 at 345 MeV/nucleon by BigRIPS separator······························································································
			
H. Suzuki et al.

3		 Production cross-section measurements of neutron-rich nuclei in the northeast region of 132Sn by the in-flight fission
		 of a 238U beam at 345 MeV/nucleon·······································································································
			
Y. Shimizu et al.

4		 Production of 237Np from 238U beam at BigRIPS·························································································
			
C. Fukushima et al.

5		 Search for the double Gamow-Teller giant resonance using double charge exchange reaction···································
			
A. Sakaue et al.

6

		 Development of dispersion matching optics in OEDO beamline·····································································
			
S. Hanai et al.

7

		 Single-particle states in fp-shell nuclei through 50Ca(d, p)51Ca transfer reaction····················································
			
C. Ferrera, K. Wimmer et al.

8

		 Study of νp-process nucleosynthesis at OEDO··························································································
			
D. Suzuki, B. Mauss et al.

9CONTENTS

RIKEN Accel. Prog. Rep. 56 (2023)

		 Study of 130Sn(d, p) reaction in inverse kinematics for r-process nucleosynthesis··················································
			
N. Imai et al.

10

		 Toward the mass measurement of neutron-rich nuclei in the vicinity of N = 126 isotones with SLOWRI/ZD-MRTOF·····
			
H. Ishiyama et al.

11

		Q-moment measurement of isomeric state of 99Zr using spin-aligned beam························································
			
Y. Shinohara et al.

12		 In-beam γ-ray spectroscopy of exotic 79Cu with HiCARI··············································································
			
M. Kaci, S. Franchoo et al.

13

		 Barrier distribution measurement of the 51V + 159Tb system···········································································
			
P. Brionnet et al.

14

		 Excitation functions for the 51V + 159Tb fusion evaporation reaction·································································
			
P. Brionnet et al.

16		 Analysis of proton elastic scattering from 132Sn and 48Ca at 300 MeV/nucleon in inverse kinematics··························
			
T. Harada et al.

18

		 The result of electron scattering with Xe isotopes at SCRIT electron scattering facility··········································
			
H. Wauke et al.

19

		 Beta-delayed proton emission in the decay of 71Kr·····················································································
			
A. Vitéz-Sveiczer et al.

20		 Isomeric state studies using the DTAS detector·························································································			J. A. Victoria et al.

21

		 Progress on the analysis of Pn-values relevant for the formation of the r-process rare-earth peak·······························
			
M. Pallàs et al.

22		 The study of the core-excited component in 11Li························································································
			
Y. Li, Z. Yang, Y. Kubota, and T. Uesaka

23

		 Observation of 9Li + d decay channel in 11Li(p, n) reaction············································································
			
L. Stuhl et al.

25

		 SAMURAI18: comprehensive study of 11Li·····························································································
			
Y. Kubota et al.

26

		 Analysis of 48Cr(p, n) reaction in inverse kinematics···················································································
			
M. Sasano et al.

27

		26

Si + α resonant scattering measurement to study 26Si(α, p)29P reaction rate·······················································
M. J. Kim et al.

28

		 Yield investigation of neutron-rich W isotopes produced by multi-nucleon transfer reactions of 136Xe + natIr·················
			
M. Mukai et al.

29

			

		 First application of mass measurements with the Rare-RI ring reveals the solar r-process abundance trend at A = 122
		and A = 123···································································································································			
S. Naimi et al.
		 Direct determination of the atomic mass of 189W························································································
			
M. Mukai et al.

30
31

2. Nuclear Physics (Theory)
		 Spatial correlation of a particle-hole pair with a repulsive isovector interaction···················································
			
K. Hagino and H. Sagawa

33

		 Momentum-space structure of dineutron in 11Li·························································································
			
M. Yamagami

34

		 He cluster formation in light neutron-rich nuclei························································································
			
H. Motoki et al.

35

		 Energy spectrum of 15
Ξ C and the ΞN two-body interaction·············································································
			 Y. Tanimura et al.

36		 Microscopic collective inertial masses for nuclear reactions in the presence of the nucleonic effective mass·················
			
K. Wen and T. Nakatsukasa

37

		 Gamow-Teller transitions in magic nuclei calculated based on the charge-exchange subtracted second random phase		 approximation································································································································
			
M. J.Yang, H. Sagawa et al.

38

RIKEN Accel. Prog. Rep. 56 (2023)

CONTENTS		 Indication of α clustering in the density profiles of 44,52Ti··············································································
			
W. Horiuchi and N. Itagaki

39		 Enhanced moments of inertia for rotation in neutron-rich nuclei·····································································
			
K. Yoshida40

		 Does the second-order operator in the adiabatic expansion contribute to the collective mass?···································
			
K. Sato41

3. Nuclear Data
		 EXFOR compilation of RIBF data in 2022······························································································
		 S. Shin et al.

43		 Measurement of isotopic production cross section on 99Tc via protonand deuteron-induced reactions··························
			
R. Matsumura et al.

44		 Generating scattering data using Gaussian process regression········································································
			
S. Watanabe et al.

45

4. Hadron Physics—
		 Transverse single spin asymmetry for forward neutron production in polarized p + p collisions at √ s = 510 GeV············
			 M. H. Kim et al.

47

		 EIC activities in Japan······················································································································
			
Y. Goto et al.

48

		 Impact studies for transverse spin measurements at the EIC··········································································
			
R. Seidl

49

		 Zero degree calorimeter for the ePIC experiment·······················································································
			
S. Shimizu et al.

50

		 Centrality dependence of charm and bottom quark suppression in Au + Au collisions at RHIC·································
			
T. Hachiya et al.

51

		 Study of v2 depending on multiplicity with ZDC energy event categorization·····················································
			
R. Takahama et al.

52

		 Completion of Bus-Extender development for sPHENIX INTT······································································
			
T. Hachiya et al.

53

		 Development of graphical user interface application for sPHENIX-INTT LV system·············································
			
M. Watanabe et al.

55

		 Detection efficiency of sPHENIX-INTT by cosmic ray measurements and its timing dependence······························
			
Y. Namimoto et al.

57

		 MIP measurement for mass production of sPHENIX-INTT ladder with a positron beam········································
			
Y. Sugiyama et al.

58		 The LV power system of INTT detector at RHIC·······················································································
			
W. C. Tang et al.

59		 Signature of the gluon orbital angular momentum······················································································
			
S. Bhattacharya et al.

60

5. Hadron Physics (Theory)
6. Particle Physics
		 QST algebra··································································································································			
Y. Akiba

61

		 Twelfth-order QED contributions to the muon g − 2··················································································
			
R. Yamazaki and M. Nio

62

7. Astrophysics and Astro-Graciology
		 Demonstration of multiplexing lobster-eye optics······················································································
			
Y. Zhou, T. Mihara, et al.

63		 Direct determination of the activation energy for diffusion of OH radicals on water ice··········································
			
Y. Nakai et al.

64		 Polarized X-rays emitted from a magnetar·······························································································
			
K. Uchiyama et al.

65

CONTENTS

RIKEN Accel. Prog. Rep. 56 (2023)

8. Accelerator
		 Production of high intense Ca-ion beam for RILAC II acceleration·································································
			
T. Nagatomo et al.

67		 Upgrade of rf control system for RILAC injector·······················································································
			
K. Yamada et al.

68

		 Beam profile measurement using helium gas light emission for superheavy element search experiment·······················
			
T. Watanabe et al.

69		 Improvement of the high temperature superconducting properties for the HTc SQUID current meter··························
			
T. Watanabe et al.

70

		 Development of auto-tuning system using Bayesian optimization for ion optics in primary beam line with 26 electric nA
		 Kr beam ····································································································································
			
T. Nishi et al.

71		 Development and test operation of the prototype of the new beam interlock system for machine protection of RIBF·······
			
M. Komiyama et al.

72		 Activation of temperature control in the RILAC cooling water·······································································
			
K. Yamada et al.

73

		 2022 operational report of the Nishina RIBF water-cooling system··································································
			
T. Maie et al.

74		 Relationship between instantaneous voltage drops at RIKEN and influence on transmission power lines·····················
			
M. Kidera et al.

75

		 Status of vacuum pumping systems in accelerator facilities···········································································
			
Y. Watanabe et al.

76

9. Instrumentation
		 Development of an automatic particle identification system for the BigRIPS separator···········································
			
Y. Shimizu et al.

77

		 Introduction and performance evaluation of a new data acquisition system for germanium detectors··························
			
H. Takeda et al.

78

		 Conceptual design of new high-power beam dump for BigRIPS·····································································
			
Y. Togano et al.

79		 Energy-degraded beam on BigRIPS F0··································································································
			
H. Otsu et al.

80

		 FPC board design for TOGAXSI silicon trackers·······················································································
			
K. Higuchi, J. Tanaka et al.

82

		 Study of the position dependence of the large GAGG(Ce) calorimeter······························································
			
R. Tsuji et al.

83

		 Integration of VX2740B digitizer into babirl DAQ·····················································································			
S. Ogio et al.

85

		 Integration of DABC and babirl DAQ····································································································
			
S. Takeshige et al.

86

		 Fokker-planck analysis for particle motion in RUNBA················································································
			
M. Wakasugi et al.

87

		 Present operation status of ERIS at the SCRIT electron scattering facility··························································
			
T. Ohnishi et al.

88		 Improvement of gas inlet system for FRAC at SCRIT facility········································································
			
S. Iimura et al.

89

		 Charge state distributions of 138Ba ions trapped in the SCRIT·········································································
			
R. Ogawara et al.

90

		 Installation of the NEBULA-Plus neutron array························································································
			The EXPAND Collaboration91		 Silicon tracker array for RIB experiments at SAMURAI··············································································
			
A. I. Stefanescu et al.

92

RIKEN Accel. Prog. Rep. 56 (2023)

CONTENTS		 Development of a new configuration for the liquid hydrogen target·································································
			
X. Wang et al.

93		 Improvements in cooling operations of the SAMURAI magnet······································································
			
H. Sato et al.

94		 The extraction test aiming for the laser spectroscopy of actinoid elements by PALIS·············································
			
T. Sonoda et al.

95

		 Charge population investigation for the 248Cm fission products extracted from a helium gas catcher···························
			
A. Takamine et al.

96

		 Offline measurement of 248Cm fission products at ZD-MRTOF·······································································
			J. M. Yap, A. Takamine, et al.

98

		 Development of a high-speed digital data acquisition system for the ZD-MRTOF and β-decay experiments at F11·········
			V. H. Phong et al.

99		 The new MRTOF mass spectrograph following the ZeroDegree spectrometer at RIKEN’s RIBF facility·····················
			
M. Rosenbusch et al.

100

		 Improvements in the performance of the KISS MRTOF···············································································
			
P. Schury et al.

102

		 Development of cryogenic helium gas cell at KISS····················································································
			
Y. Hirayama et al.

103

		 Development of light collection system for collinear laser spectroscopy····························································
			
M. Tajima et al.

104

		 Measuring the stopping position of the energetic radioactive Rb beams in superfluid helium····································
			
M. Ito et al.

105

		 Highly-efficient γ-ray linear polarization measurement by multi-layer CdTe Compton Camera·································
			
S. Go et al.

106

		 Charge-exchange reaction of francium ions using an yttrium neutralizer···························································
			
H. Nagahama et al.

107

		 Absorption spectroscopy measurements of molecular iodine for magneto-optical trapping of francium atoms···············
			
K. Nakamura et al.

108		Improved 6He beam production at CRIB with MWDC and degraders·······························································
			
H. Yamaguchi et al.

109

		 Progress on double photon coincidence imaging with 67Cu and 169Yb·······························································
			
K. Shimazoe et al.

110

		 Status of the J-PARC E16 experiment in 2022··························································································
			
S. Yokkaichi

111

		 Preparation status for sPHENIX experiment and INTT detector for Run23 at RHIC··············································
			
I. Nakagawa et al.

112

		 Preliminary results of INTT beam test 2021 at ELPH··················································································
			
C. W. Shih et al.

113

		 Accelerator report INTT onlmon progress summary 2023············································································
			
J. Bertaux et al.

114

		 Performance of a new operating system by FELIX board for INTT in sPHENIX·················································
			
G. Nukazuka et al.

115

		 Development of a control application for sPHENIX-INTT detector operation·····················································
			
H. Imai et al.

116

		 Forward calorimeter upgrade project in ALICE·························································································
			
T. Chujo et al.

117

		 Beam test data analysis of the ALICE FoCal-E pad prototype········································································
			
M. H. Kim

118

		 Activation measurement of copper by 238U irradiation·················································································
			
A. Akashio et al.

119

		 RIKEN Wi-Fi service in the RIBF experimental area··················································································
			
H. Baba et al.

120

CONTENTS

RIKEN Accel. Prog. Rep. 56 (2023)

		 Computing and network environment at the RIKEN Nishina Center································································
			
T. Ichihara et al.

121

		 CCJ operations in 2022·····················································································································
			
S. Yokkaichi et al.

122

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·································
			
H. Yamazaki et al.

123		 Lattice sites of 23Ne implanted in single-crystal ZnO studied by β-NMR/NQR spectroscopy····································
			
H. Yamazaki et al.

124

		 Evaluation of horizontal irradiation for SiC vertical diodes···········································································
			
M. Iwata et al.

125		 Improvement of the signal-to-noise ratio of Rb D1 fluorescence in superfluid helium using picosecond time-resolved
		detection ····································································································································
			
H. Endo et al.

126

		 Development of a spin polarized RI atomic beam apparatus the using atomic resonance method·······························
			
K. Imamura et al.

127

		 Application of 21O β-NMR spectroscopy to study the microscopic properties of CuO single crystal····························
			
A. Gladkov et al.

128		 Precise measurement of diffraction structures in capillary laser sight for ion microbeam irradiation to mammalian cells···			
M. Kurino et al.

129

2. Atomic and Solid State Physics (Muon)
		 DFT investigations on magnetic properties with Muon in La2CuO4 using LSDA + U functional································
			
S. Charoenphon et al.

131		 The effect of particle size on magnetic properties regarding La2CuO4 nanoparticles··············································
			
A. E. Putri et al.

133		 Sample synthesis of Nd2Ru2O7 for researches by using quantum beams·····························································
			
M. A. Syakuur et al.

134

		 Probing internal fields induced by Ru and Nd spin ordering on Nd2Ru2O7 using continuous muon beam······················
			
U. Widyaiswari et al.

135

		 Magnetic short-range order in a hyperkagome lattice alloy Mn3CoSi································································
			
D. P. Sari et al.

136

		 TF-μSR study of YbCu4Ni··················································································································
			
T. Taniguchi et al.

137

		 μSR study of slightly pressurized organic superconductor κ-(ET)4Hg2.89Br8, II·····················································
			
D. P. Sari et al.

138

3. Radiochemistry and Nuclear Chemistry
		 Extraction behavior of Nb and Ta in HF solution with F-form TOMA resin························································
			
S. Goto and M. Higuchi

141

		 Online solid-liquid extraction of 255No with the polymer-supported crown ether···················································
			
E. Watanabe et al.

142

		 Coprecipitation behavior of element 102, nobelium, with barium sulfate···························································
			
S. Otaka et al.

143		 Coprecipitation of 133Ba, 226Ra, and 152Eu with calcium oxalate for the chemical study of nobelium····························
			
R. Nakanishi et al.

144		 Improved chemical separation scheme of Pa isotopes from a 232Th target toward observing the radiative decay of229m
		Th using 229Pa·····························································································································
			
Y. Shigekawa et al.
		 Preparation of a small high-density 229Th target for the X-ray pumping of the 229Th nuclear clock isomer·····················
			
Y. Shigekawa et al.

145
147

RIKEN Accel. Prog. Rep. 56 (2023)

CONTENTS		 Development of 211Rn/211At generator through liquid phase recovery of radon and ionic liquid extraction of astatine········
			
Y. Nagai et al.
		 The feasibility study for the medical radioisotope: astatine-211 production by the gas cell-based laser ionization
		technique ····································································································································
			
T. Sonoda et al.

149

150

		 Progress of 211At production at the RIKEN AVF cyclotron············································································
			
X. Yin et al.

151		 Improvement of chemical separation method for theranostic radionuclide 141Ce···················································
			
K. Ooe et al.

153

		 Chemical separation of 139Ce from a natLa target using LN resin······································································
			
K. Akiyama et al.

154

		 Astatine-211-labeled gold nanoparticles for targeted alpha-particle therapy via intravenous injection·························
			
X. Huang et al.

155		 Efficacy of nuclear medicine therapy with 67CuCl2 in mice bearing LS180 colon cancer········································
			
Y. Fujisawa et al.

156

		 Accelerator-based synthesis of rhenium-186 that enables high spatial resolution imaging·······································
			
S. Takeda et al.

158

		44m

Sc-DOTA-TATE imaging with a cancer disease mouse model for multiple-isotope PET imaging···························
T. Fukuchi et al.

160

		 Source preparation technique for Ag 211At for alpha spectroscopy····································································
			
S. Fujino et al.

162		 Radioactivity calibrations of 225Ac and 211At·····························································································
			
K. Arai et al.

164		 Activation cross sections of 28Mg via α-particle-induced reaction on 27Al···························································
			
M. Aikawa et al.

165

		 Production cross sections of 47Sc via α-particle induced reactions on natCa··························································
			
M. Aikawa et al.

167

		 Production cross sections of 52gMn in α-particle-induced reactions on natV··························································
			
G. Damdinsuren et al.

169		 Activation cross sections of deuteron-induced reactions on natCr up to 24 MeV····················································
			
H. Huang et al.

171		 Activation cross sections of alpha-particle-induced reactions on natural lanthanum up to 50 MeV·····························
			
S. Ebata et al.

172

		 Reexamination of production cross sections of 153Sm via α-particle induced reactions on natNd·································
			
M. Aikawa et al.

173

		 Activation cross sections of 7Li-induced reactions on natSm···········································································
			
M. Aikawa et al.

174		 Activation cross sections of deuteron-induced reactions on natural gadolinium up to 24 MeV··································
			
D. Ichinkhorloo et al.

175

		 Production yields of 165Er and 169Yb via 24-MeV deuteron induced reactions······················································
			
Y. Shigekawa et al.

176

		 Activation cross sections of α-particle-induced reactions on natTa····································································
			
S. Takàcs et al.

178

		 Activation cross sections of deuteron-induced reactions on natRe·····································································
			
M. Aikawa et al.

180

		 Production cross sections of 189gIr in α-particle-induced reactions on natRe··························································
			
G. Damdinsuren et al.

181

		 Production cross sections of 198gAu in proton-induced reactions on natPt·····························································
			
G. Damdinsuren et al.

183

		 Production cross sections of 211Rn via 7Li-induced reaction on 209Bi·································································
			
N. Ukon et al.

185

			

CONTENTS

RIKEN Accel. Prog. Rep. 56 (2023)

4. Radiation Chemistry and Biology
		 Sample preparation for ion-beam irradiation for biological experiments····························································
			
Y. Hayashi and T. Abe

187

		 Identification of causal site for an Arabidopsis C30-144-as3 mutant·································································
			
A. D. Nagalla et al.

189

		 Analysis of splicing patterns in Arabidopsis egy1-4 carrying argon-induced mutations in the intron 3-exon 4 region·······
			
A. Sanjaya et al.

190

		 Irradiation of seeds with C-ion and Ar-ion beams for Streptocarpus mutagenesis to understand leaf meristem genetics····			
K. Nishii et al.

191

		 Comprehensive effects of heavy-ion beam irradiation on sweet potato (Ipomoea batatas [L.] Lam.)···························
			
H. Park et al.

193

		 Growth inhibition of marine red alga Agardhiella subulate through C-ion beam irradiation·····································
			
K. Tsuneizumi et al.

194		 Semi-automated high-throughput microbial DNA extraction protocol for population-scale mutation analysis················
			
Y. Nishimiya et al.

195

		 Heavy-ion irradiation enhanced the post-transcriptional modification of CtIP······················································
			
M. Izumi et al.

196

		 Examination of the direct visualization toward adverse events caused by space radiation········································
			
A. Sakaue-Sawano et al.

198

		 Effects of heavy-ion beam irradiation on non-model fruit fly, Drosophila miranda···············································
			 M. Ogawa et al.

200

Ⅳ. OPERATION RECORDS
		 Program Advisory Committee meetings for nuclear physics and for materials and life sciences································
			
H. Ueno203

		 Electric power consumption of RIKEN Nishina Center in 2022······································································
			
M. Kidera et al.

204

		 RILAC operation····························································································································
			
H. Yamauchi et al.

205

		 Operation report on the RIKEN AVF cyclotron for 2022··············································································
			
K. Yadomi et al.

206

		 Operation report on ring cyclotrons in the RIBF accelerator complex·······························································
			
K. Kobayashi et al.

207

		 Present status of liquid-helium supply and recovery system··········································································
			
T. Dantsuka et al.

208

		 Operation of BigRIPS cryogenic plant···································································································
			
K. Kusaka et al.

209		 Operation of Pelletron tandem accelerator·······························································································
			
T. Ikeda et al.

211		 Radiation safety management at RIBF···································································································
			
K. Tanaka et al.

213

		 Variation of impurity gas in recovered helium gas for liquid-helium supply and recovery system······························
			
M. Nakamura et al.

215

		 Fee-based activities performed by the RI application research group································································
			
A. Nambu et al.

216

Ⅴ. EVENTS
		 Research strategy with open-closed data utilization in nuclear physics experiments··············································
			
H. Baba217

		 RIKEN open day 2022······················································································································
			
T. Ikeda et al.

218

RIKEN Accel. Prog. Rep. 56 (2023)

CONTENTS		 Physics of RI: Recent progress and perspectives························································································
			
M. Kimura et al.

220		 Predictions for sPHENIX···················································································································
			
M. E. Connors et al.

221		 International workshop on “Hadron Physics with Kaon Beam and Related Topics”···············································
			
F. Sakuma

222

		 The 10th users’ meeting on mutation breeding in RIBF “Sustainable society and creation of specialty products realized
		 by ion-beam breeding”······················································································································
			
T. Abe et al.

223

Ⅵ. ORGANIZATION AND ACTIVITIES OF RIKEN NISHINA CENTER(Activities, Members, Publications & Presentations)		 Organization			

1. Organization Chart·················································································································

225

			

2. Finances·····························································································································

226

			

3. Staffing······························································································································

227

			

4. Research publication···············································································································

228

			

5. Management························································································································

229

			

6. International Collaboration (as of March 31, 2023)···········································································

233

			

7. Awards·······························································································································

235

			

8. RIKEN Awards·····················································································································

235

		 Center Director·······························································································································

237

		Laboratories
			

Nuclear Science and Transmutation Research Division			Radioactive Isotope Physics Laboratory···························································································

239

			

Spin isospin Laboratory··············································································································

246

			

Nuclear Spectroscopy Laborarory··································································································

252

			

High Energy Astrophysics Laborarory·····························································································

259

			

Nuclear Many-Body Theory Laborarory··························································································

267

			

Superheavy Element Research Group······························································································

271

				

Superheavy Element Production Team······················································································

272

				

Superheavy Element Device Development Team··········································································

275

			

Astro-Glaciology Research Group··································································································

277

			

Nuclear Transmutation Data Research Group·····················································································

279

				

Fast RI Data Team··············································································································

280

				

Slow RI Data Team·············································································································

281

				Muon Data Team···············································································································

282

			

285

High-Intensity Accelerator R&D Group···························································································

				High-Gradient Cavity R&D Team···························································································

286

				

High-Power Target R&D Team·······························································································

287

			

Research Facility Development Division			

Accelerator Group····················································································································

				

289

Accelerator R&D Team········································································································

291

				Ion Source Team················································································································

292

				RILAC Team····················································································································

293

				Cyclotron Team·················································································································

295

CONTENTS

RIKEN Accel. Prog. Rep. 56 (2023)

				

Beam Dynamics & Diagnostics Team·······················································································

297

				

Cryogenic Technology Team··································································································

299

				Infrastructure Management Team····························································································

300

			

301

Instrumentation Development Group······························································································				SLOWRI Team·················································································································

303

				

Rare RI-ring Team··············································································································

306

				SCRIT Team····················································································································

308

			

Research Instruments Group········································································································

311

				BigRIPS Team··················································································································

312

				SAMURAI Team···············································································································

316

				

Computing and Network Team·······························································································

318

				Detector Team···················································································································

320

			

Accelerator Applications Research Division		Beam Mutagenesis Group···········································································································

323

				

Ion Beam Breeding Team·····································································································

324

				

Plant Genome Evolution Research Team···················································································328

RI Application Research Group·····································································································

330

			

				

Nuclear Chemistry Research Team··························································································

331

				Industrial Application Research Team·······················································································

339

			

Subnuclear System Research Division			Strangeness Nuclear Physics Laboratory··························································································

341

			

Meson Science Laboratory··········································································································

346

			

RHIC Physics Research Laboratory································································································

352

			

RIKEN BNL Research Center·······································································································

355

				Theory Group···················································································································

357

				

Experimental Group············································································································

361

				Computing Group··············································································································

366

			

RIKEN Facility Office at RAL······································································································

371

			

Safety Management Group··········································································································

374

			

User Liaison Group···················································································································

376

				

RIBF User Liaison Team······································································································

377

				

Outreach Team··················································································································

378

Office of the Center Director········································································································

380

		 Partner Institutions···························································································································

383

			

Center for Nuclear Study, Graduate School of Science The University of Tokyo···········································

384

			

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