RIKEN Accelerator Progress Report

RIKEN Accelerator Progress Report 2016 Vol. 50

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PREFACE
The 50th Anniversary Special Issue Research Activities 1991–2016
Retrospective of my 24-year “RIBF life” Y. Yano	S-1
RIKEN Accelerator Research Facility (RARF) – The predecessor of Nishina Center – M. Ishihara	S-6
RIPS Project: Pursuit of the RIB Physics Program with RIPS M. Ishihara	S-9
Experiments at SMART and related activities H. Sakai	S-14
Nuclear Chemistry Laboratory F. Ambe	S-22
Development of atomic physics under the contribution of RIKEN Accelerator Research Facility, during 1972–1997 period Y. Awaya (Enomoto)	S-23
Ion beam breeding – An efficient synergic link between agricultural science and accelerator physics – T. Abe and S. Yoshida	S-37
Historical overview of the RIKEN-RAL Muon Facility from catalyzed fusion to materials/life science K. Nagamine	S-39
The RIKEN-RAL Muon Facility at the ISIS Neutron and Muon Source P. King	S-43
Pursuit of Spin Physics Program at RHIC M. Ishihara	S-46
RBRC: A great success N. P. Samios	S-48
Scientific pedigree of Chief Scientists of Radiation Laboratory H. Enʼyo	S-49
Advanced Meson Science Laboratory – Hadron part – M. Iwasaki	S-51
Developments of linear accelerators at RI Beam Factory O. Kamigaito	S-54
Development of ECR ion sources at RIKEN T. Nakagawa	S-56
Realization of recirculating He-gas stripper H. Imao	S-58
Introduction of storage-ring experiments at RIBF M. Wakasugi	S-60
Research activities of Research Instruments Group T. Kubo	S-61
Recent activities of the User Liaison and Industrial Cooperation H. Sakai	S-63
Safety management at Nishina Center since 1990 Y. Uwamino	S-66
Superheavy element research at RIKEN Nishina Center K. Morimoto and K. Morita	S-67
Direct reaction experiments with fast RI beams for studying properties of exotic nuclei and astrophysical nuclear processes T. Motobayashi	S-68
Radioactive Isotope Physics Laboratory H. Sakurai	S-69
Spin Isospin Laboratory T. Uesaka	S-70
Nuclear Spectroscopy Laboratory H. Ueno	S-71
10 years of Theoretical Physics Laboratory H. Kawai	S-73
Quantum Hadron Physics Laboratory T. Hatsuda	S-74
Theoretical Nuclear Physics Laboratory T. Nakatsukasa	S-75
Gaussian Expansion Method and its application to nuclear physics with strangeness E. Hiyama	S-76
Mathematical Physics Laboratory K. Hashimoto	S-77
A brief history of the High-Energy Astrophysics Laboratory T. Tamagawa	S-78
Six Years of cross-disciplinary studies at the Astro-Glaciology Research Unit Astronomical signatures in polar ice cores Y. Motizuki	S-80
Overview of activities of the NUSPEQ group in CNS S. Shimoura	S-82
Research activities of KEK RNB group at RIBF H. Miyatake	S-84
Ⅰ. HIGHLIGHTS OF THE YEAR
Two-Proton Radioactivity of 67Kr T. Goigoux et al.	1
94 β-decay half-lives of neutron-rich nuclei from 55Cs to 67Ho J. Wu, S. Nishimura et al.	2
First Spectroscopy of 110Zr N. Paul et al.	3
Nucleus 26O: A barely unbound system beyond the drip line Y. Kondo et al.	4
Interaction cross section study of the two-neutron halo nucleus 22C Y. Togano et al.	5
Spallation reaction study for the long-lived fission product 107Pd H. Wang et al.	6
Investigation of isoscalar and isovector dipole excitations in 20O N. Nakatsuka et al.	7
Measurement of multiple isobar chains as a first step toward SHE identification via mass spectrometry P. Schury, M. Wada et al.	8
First direct mass measurements of mendelevium and einsteinium with an MRTOF mass spectrograph Y. Ito et al.	9
Nuclear spectroscopy of multi-nucleon transfer reaction products in the 136Xe and 198Pt system Y. Hirayama et al.	10
Electron scattering off 208Pb and 132Xe at SCRIT electron scattering facility K. Tsukada et al.	11
First direct measurement of the 11C(α, p)14N stellar reaction by an extended thick-target method S. Hayakawa et al.	12
A directly measurable parameter quantifying the halo nature of one-neutron halo nuclei S. Watanabe et al.	13
Simultaneous microscopic description of nuclear level density and radiative strength function N. Quang Hung et al.	14
Disentangling transverse single spin asymmetries for forward neutrons in high-energy polarized-proton–nucleus collisions G. Mitsuka	15
Baryon interaction in lattice QCD T. Iritani for HAL QCD Coll.	16
Performance of the SπRIT Time Projection Chamber G. Cerizza et al.	17
Commissioning of Rare RI Ring using exotic nuclei D. Nagae et al.	18
Construction status of OEDO beamline S. Michimasa et al.	19
Gamma-ray inspection of a rotating object T. Kambara and A. Yoshida	20
Effects of 2.6 GeV uranium irradiation on FeSe Y. Sun et al.	21
Stable transmission of slow highly charged ions through tapered glass capillary with active discharging method for sub-micron sized beams T. Ikeda et al.	22
Investigation of magnetic ordered states in the pyrochlore iridates (Nd,Ca)2Ir2O7 probed by μSR R. Asih et al.	23
Studies of the muon transfer process in a mixture of hydrogen and higher Z gas A. Vacchi et al.	24
Gas-phase chemistry of Re carbonyl complexes with short-lived isotopes Y. Wang et al.	25
Observation of the chemical reaction equilibria of element 104, rutherfordium: Solid-liquid extraction of Rf, Zr, Hf and Th with Aliquat 336 resin from HCl T. Yokokita et al.	26
Optimization of mutation induction by heavy-ion beam irradiation in rice with seed water content change Y. Hayashi et al.	27
Change in rice gene expression profile dependent on linear energy transfer after heavy-ion beam irradiation K. Ishii et al.	28
Ⅱ. RESEARCH ACTIVITIES I (Nuclear, Particle and Astro-Physics)
1. Nuclear Physics
μs isomers of 158,160Nd E. Ideguchi	29
Long-lived K isomer and enhanced γ vibration in 172Dy H. Watanabe	30
K-isomer properties of the doubly mid-shell nuclide 170Dy P.-A. Soderstrom et al.	31
Shape coexistence along N = 40 studied with isomer and beta decay F. Recchia	32
Beta-delayed proton spectrum from the Tz = −2 nucleus 64Se at BigRIPS P. Aguilera et al.	33
Study of the beta decay of 70Br A. I. Morales et al.	34
Study of β-delayed proton emitters in the region from Zn to Kr T. Goigoux et al.	35
Mass and β-decay measurement of neutron-rich nuclei around N=56 A. Estrade et al.	36
β and β-n decay of 131−135In G. S. Simpson	37
β-decay γ-ray spectroscopy of 140Te : level structure of 140I beyond N = 82 B. Moon et al.	38
β decay of 140Sb : level scheme of 140Te B. Moon et al.	39
β-delayed γ -ray spectroscopy of 168Dy G. X. Zhang and H. Watanabe	40
Measurement of p→ –6He elastic scattering at 200 A MeV S. Sakaguchi et al.	41
Present status of data analysis of p→ − 6He elastic scattering S. Chebotaryov et al.	42
Study of neutron-neutron correlation in Borromean nuclei via the (p, pn) reaction with the SAMURAI spectrometer Y. Kubota et al.	43
Exploring the N=16 sub-shell closure: level structure of 22C and search for 21B N. Orr for the SAMURAI36 R3B-NeuLAND collaboration	44
Measurement of the neutron-decay lifetime of the 26O ground state at the SAMURAI setup at RIBF C. Caesar et al.	45
Search for unbound excited states of deformed halo nucleus 31Ne using breakup reactions T. Tomai et al.	46
Progress report of Gamow–Teller giant resonance studies at RIBF M. Sasano et al.	47
(γ,n) and (γ,2n) cross sections in Coulomb breakup reactions of 79Se,80Se at 200 MeV/nucleon A. Hirayama et al.	48
Measurement of Pion Multiplicities in Asymmetric Sn Reactions Using the SπRIT Time Projection Chamber J. Barney et al.	49
Search for PYGMY states in 70Ni O. Wieland et al.	50
Structure of Borromean nuclei around N=16 and 20 shells R. Kanungo	51
Study of the pygmy dipole resonance of 132Sn and 128Sn in inelastic α-scattering J. Tscheuschner and T. Aumann	52
Intermediate-energy Coulomb excitation of 136Te V. Vaquero et al.	53
Measurement of proton elastic scattering from 132Sn in inverse kinematics J. Zenihiro et al.	54
Measurement of isoscalar giant monopole resonance in 132Sn using CNS active target S. Ota et al.	55
Measurement of 4He(8He,8Be) reaction for verifying tetra-neutron resonance S. Masuoka	56
Parity-transfer (16O,16F(0−)) reaction to study spin-dipole 0− states M. Dozono et al.	57
Neutron shell structure of 23,25F and oxygen neutron dripline anomaly T .L. Tang et al.	58
Mass measurements of neutron-rich isotopes in the vicinity of 54Ca using the TOF–Bρ technique M. Kobayashi et al.	59
Competition between shape and shell in 75Cu clarified by the novel magnetic moment measurement Y. Ichikawa et al.	60
Determination of neutron skin thickness via measurements of σI and σCC of Ni isotopes M. Takechi et al.	61
Deuteron analyzing powers for d-p elastic scattering at 186.6 MeV/nucleon K. Sekiguchi et al.	62
Commissioning the BRIKEN array in parasitic mode using exotic Ni-Ga secondary beam G. G. Kiss et al.	63
Search for β-delayed two and three-neutron emitters in the vicinity of N=28 using the BRIKEN array V. H. Phong et al.	64
Initial effort to resolve isomers in MRTOF-MS via in-trap decay P. Schury, M. Wada et al.	65
Direct high-precision mass measurements of octupole-deformed nuclei with an MRTOF mass spectrograph Y. Ito et al.	66
Precision mass measurements of proton-rich nuclei in A ∼ 60−80 region with the multireflection time-of-flight mass spectrograph S. Kimura et al.	67
Study of barrier distribution in the reaction 48Ca,50Ti+208Pb and 48Ca+248Cm at RIKEN-GARIS T. Tanaka et al.	68
Measurement of barrier distribution for 50Ti,51V+248Cm, and 51V+208Pb reactions T. Niwase et al.	69
Yield development of KEK isotope separation system Y. X. Watanabe et al.	70
Proton-proton correlations in distinguishing the two-proton emission mechanism of 23Al and 22Mg D. Q. Fang, Y. G. Ma et al.	71
Magnetic moment of the 13/2+ isomeric state in 69Cu: Spin alignment in a single-nucleon removal reaction A. Kusoglu, G. Georgiev et al.	72
Search for low-lying resonances in 10N structure with proton resonant scattering E. Milman et al.	73
β-NMR measurements of 21O A. Gladkov et al.	74
New measurement of the 34Si(p, p) reaction N. Kitamura et al.	75
Study on the β decay of 39S L. C. Tao et al.	76
Production of a 7Be implanted target A. Inoue et al.	77
Experimental investigation of a linear-chain structure in 14C H. Yamaguchi et al.	78
7Be(n, p)7Li and 7Be(n, α)4He reaction measurements at CRIB using the Trojan Horse method S. Hayakawa et al.	79
Study of α-cluster structure in 22Mg K. Y. Chae	80
26mAl beam production with CRIB D. Kahl and H. Yamaguchi	81
Shape coexistence in the N=19 neutron-rich nucleus 31Mg explored by β-γ spectroscopy of spin-polarized 31Na H. Nishibata et al.	82
RI beam production at BigRIPS in 2016 H. Takeda et al.	83
Production cross section measurements of Ne isotopes with a 48Ca beam D. S. Ahn et al.	85
Production cross sections of neutron-rich nuclei in the region around Z = 33 using the in-flight fission of a 238U beam at the 345 MeV/nucleon Y. Shimizu et al.	86
Production cross-section measurement for radioactive isotopes produced from 124Xe beam at 345 MeV/nucleon by BigRIPS separator H. Suzuki et al.	87
2. Nuclear Physics (Theory)
Sum rule study for Double Gamow-Teller state H. Sagawa and T. Uesaka	89
Effect of isoscalar spin-triplet pairings on spin-isospin responses H. Sagawa et al.	90
Decay dynamics of the unbound 25O and 26O nuclei K. Hagino and H. Sagawa	91
QRPA calculations with Skyrme energy density functional for rotating unstable nuclei M. Yamagami and K. Matsuyanagi	92
Improved treatment of blocking effect at finite temperature N. Quang Hung et al.	93
Effective restoration of dipole sum rules within the renormalized random-phase approximation N. Quang Hung et al.	94
Giant dipole resonance in hot rotating nuclei D. R. Chakrabarty et al.	95
Enhanced collectivity of γ vibration in the neutron-rich Dy isotopes around N = 108 K. Yoshida and H. Watanabe	96
Three-body model for IS spin-triplet neutron-proton pair in 102Sb Y. Tanimura and H. Sagawa	97
Quasi-particle random phase approximation (QRPA) with quasi-particle-vibration coupling (QPVC): application to the Gamow-Teller response of a superfluid nucleus 120Sn Y. F. Niu et al.	98
Shell-model evaluation of beta-decay half-lives for N = 50 neutron deficient nuclei M. Honma et al.	99
Application of top-on-top model to 11/2− band in 135Pr Sugawara-Tanabe and K. Tanabe	100
Fully self-consistent study of charge-exchange resonances and their impact on the symmetry energy parameters X. Roca-Maza et al.	101
Liquid-Gas Phase Transitions in Quantum Field Theories H. Nishimura et al.	102
Joint project for large-scale nuclear structure calculations in 2016 N. Shimizu et al.	103
3. Nuclear Data
Thick-target transmission method for excitation functions of interaction cross sections M. Aikawa, S. Ebata and S. Imai	105
Report on EXFOR Compilation 2016 from the RIBF D. Ichinkhorloo et al.	106
4. Hadron Physics
Charged background study for AN of forward neutron production in √s=200 GeV polarized proton-proton collisions in PHENIX experiment M. Kim et al.	107
Spin Physics in RHICf Experiment J. S. Park	108
DAQ system in RHICf experiment H. Menjo et al.	109
Measurement of double-helicity asymmetries in inclusive J/ψ production in longitudinally polarized p + p collisions at √s = 510 GeV Y. Goto	110
Status of double helicity asymmetries (ALL) in π± production at mid-rapidity in longitudinally polarized p + p collisions with PHENIX experiment T. Moon for the PHENIX Collabor	111
Single transverse spin asymmetry (AN) via charged pion production in polarized p + Au collisions at √s = 200 GeV J. H. Yoo for the PHENIX collab	112
Nuclear modification factors of semi-leptonic charm and bottom decay electrons in central Au+Au collisions at √sNN = 200 GeV K. Nagashima et al.	113
Measurements of J/ψ mesons from B meson decays with the PHENIX-VTX detector T. Hachiya (PHENIX)	114
Improvement in the track reconstruction efficiency with VTX in the PHENIX experiment Y. Ueda et al.	115
Development of a prototype silicon tracking detector for the sPHENIX experiment Y. Yamaguchi et al.	116
Fragmentation function measurements in Belle R.Seidl et al.	117
Measurement of anti-quark flavor asymmetry in the proton at SeaQuest K. Nakano et al.	118
Search for K¯NN bound state at J-PARC F. Sakuma et al.	119
Energy calibration using the p(d, 3He)π0 reaction in pionic atom spectroscopy at BigRIPS T. Nishi et al.	120
Clear indication of a strong I=0 K¯N attraction in the Λ(1405) region from the CLAS photo-production data M. Hassanvand et al.	121
5. Hadron Physics (Theory)
Transport coefficients of quark-gluon plasma in strong magnetic field H. -U. Yee	123
Renormalization in the quasi parton distribution functions T. Ishikawa	124
Coulomb sum rule in a covariant effective quark theory I. Cloët, W. Bentz and A. W. Thomas	125
Canonical approach to finite density QCD with multiple precision computation R. Fukuda et al.	126
Chiral magnetic superconductivity D. E. Kharzeev	127
Volume dependence of baryon number cumulants and their ratios V. Skokov	128
ΛN and ΣN interactions from 2 + 1 lattice QCD with almost physical masses H. Nemura	129
Nucleon form factors with large momenta from lattice QCD S. Syritsyn and B. Musch	130
Octet Baryon Magnetic Moments from an SU(3) Flavor-Symmetric Lattice QCD Calculation B. Tiburzi	131
Λb → Λℓ+ℓ− form factors, differential branching fraction, and angular observables from lattice QCD with relativistic b quarks W. Detmold and S. Meinel	132
Λc → Λℓ+νℓ form factors and decay rates from lattice QCD with physical quark masses S. Meinel	133
6. Particle Physics
Light scalar resonance from lattice simulation of SU(3) gauge theory with eight light fermions E. T. Neil	135
Using Λb → Λμ+μ− data within a Bayesian analysis of |ΔB| = |ΔS| = 1 decays S. Meinel and D. van Dyk	136
Determination of |Vus| from inclusive τ decay with lattice HVPs T. Izubuchi and H. Ohki	137
New insights on dark matter using lattice gauge theories E. Rinaldi	138
Parity-doublet representation of Majorana fermions and neutron oscillation K. Fujikawa and A. Tureanu	139
Separability criteria with angular and Hilbert-space averages K. Fujikawa et al.	140
7. Astrophysics and Astro-Glaciology
High-density kaonic-proton matter (KPM) composed of Λ∗ ≡ K−p multiplets and its astrophysical connections Y. Akaishi and T. Yamazaki	141
Time-reversal measurement of the p-wave cross sections of the 7Be(n, α)4He reaction for the cosmological Li problem T. Kawabata et al.	142
Box-model simulation for influence of solar proton events on the middle atmosphere Y. Nakai et al.	143
Characteristics of Na+ and Cl− distributions in shallow samples from an Antarctic ice core DF01 (Dome Fuji) drilled in 2001: Result of strong atmospheric high-pressure blocking events? Y. Motizuki et al.	144
8. Accelerator
Beam test using new central region for energy upgrade at RIKEN AVF cyclotron J. Ohnishi et al.	145
Injection-beam-orbit analysis of AVF cyclotron using 4-dimensional emittance Y. Kotaka et al.	146
Mg ion pumping effect during 24Mg8+ ion beam production at the Hyper-ECR ion source H. Muto et al.	147
Recent developments of RIKEN 28 GHz SC-ECRIS Y. Higurashi et al.	148
Four-dimensional transverse phase space distribution changes with respect to degree of vacuum of LEBT T. Nagatomo et al.	149
Beam energy measurement system using electrostatic pickups at the RIBF T. Watanabe et al.	150
Sensitivity improvement and miniaturization of HTc-SQUID beam current monitor T. Watanabe et al.	151
Radiation monitoring for cyclotrons in RIBF M. Nakamura et al.	152
Development of thin graphite carbon (GC) disks H. Hasebe et al.	153
Status of cryopumps in RIBF accelerator facilities (2016) Y. Watanabe et al.	154
Operation report 2016 for Nishina and RIBF water-cooling systems T. Maie et al.	155
Integration of standalone control system into EPICS-based system at RIKEN RIBF A. Uchiyama et al.	156
Introduction of visualization system for RIBF control network monitoring A. Uchiyama et al.	157
Improvements of the RIBF control system M. Komiyama et al.	158
Long term operation of low charge state laser ion source M. Okamura et al.	159
RFQ and IH linac for SLOWRI post accelerator S. Arai and M. Wada	160
Simultaneous acceleration of ions with different charge-to-mass ratio in the SLOWRI post accelerator S. Arai and M. Wada	161
9. Instrumentation
Development of beam trigger detector with compact geometry N. Chiga et al.	163
Development of new ionization chamber for low energy heavy ions N. Chiga et al.	164
Development of energy-control method for slowed-down 93Zr beam T. Sumikama et al.	165
Slowed-down RI beams of 93Zr and 107Pd at 50 MeV/u produced for spallation reaction T. Sumikama et al.	166
Operation of GET system as main readout device for SπRIT experiment at 2016 spring campaign T. Isobe et al.	167
Vertex Correlation Between Beam Line Detector and SπRIT-TPC M. Kurata-Nishimura et al.	168
A Gating Grid Driver for Time Projection Chambers S. Tangwancharoen et al.	169
The Veto Collimator for the SπRIT-TPC Y. Zhang et al.	170
Zero suppression performance evaluation of GET electronics using SπRIT TPC experimental data G. Jhang	171
Kyoto Multiplicity Array for the SπRIT experiment M. Kaneko et al.	172
KATANA - a charge-sensitive triggering system for the SπRIT experiment P. Lasko et al.	173
Trigger logic for the SπRIT experiments C. Santamaria et al.	174
Calibration of the SπRIT TPC with light fragments J. Estee et al.	175
NeuLAND demonstrator performance in EOS experiments I. Gašparić et al.	176
Upgrade of proton detector NINJA N. Chiga et al.	177
Measurement of light charged particle in the SAMURAI magnet gap with NINJA T. Y. Saito, N. Chiga et al.	178
Background estimation for multi-charged particle coincidence events with SAMURAI S. Koyama et al.	179
Helium filling method for SAMURAI spectrometer V. Panin et al.	180
Improvement of the β-ion correlation algorithm in decay spectroscopy J. Ha, T. Sumikama and S. Choi	181
Development of new analysis methods for EURICA data: γ-ray efficiency and γ-γ angular correlation A. Yagi et al.	182
Isochronism of Rare RI Ring Y. Yamaguchi et al.	183
Momentum acceptance of the Rare RI Ring studied from revolution frequency measurements F. Suzaki et al.	184
Development of a monitor for stored particles in the Rare RI Ring S. Omika et al.	185
Particle selection using RF signal for Rare RI Ring experiments Y. Abe et al.	186
Simulation and design of a large area position sensitive TOF MCP detector at the Rare RI Ring Z. Ge and S. Naimi et al.	187
Understanding bremsstrahlung spatial distribution of electron scaterring in the SCRIT experiment T. Fujita et al.	188
Properties of ion trapping measured by the SCRIT LMon A. Enokizono et al.	189
Upgrade of electron gun at the SCRIT facility M. Watanabe et al.	190
Development of an ion beam Buncher for SCRIT experiment K. Yamada et al.	191
Ion stacking and pulse extraction at ERIS T. Ohnishi et al.	192
Design work of rf ion guide system at the SLOWRI facility A. Takamine et al.	193
First cooling test of rf ion guide gas cell at the SLOWRI facility A. Takamine et al.	194
Status of SLOWRI beamline construction T. M. Kojima et al.	195
Introduction of silver atoms into superfluid helium using laser ablation method T. Fujita et al.	196
Fluorescence detection and double resonance spectroscopy using 85Rb beam for the development of OROCHI K. Imamura et al.	197
Effective suppression of stray laser light for fluorescence detection from 85Rb atoms injected into superfluid helium W. Kobayashi et al.	198
Experimental evaluation of laser-MW double resonance signal intensity in OROCHI project T. Egami et al.	199
70-m laser beam transport for the RIBF-PALIS experiment T. Sonoda et al.	200
Gas circulation and purification system for RIBF-PALIS experiment T. Sonoda and T. Tsubota	201
Concept design for cold highly charged ion generation toward time variation detection of fine structure constant α N. Kimura et al.	202
Reduction in contaminants originating from primary beam by using beam stoppers in GARIS-II S. Kimura et al.	203
Separated flow operation of the SHARAQ spectrometer for in-flight proton-decay experiments M. Dozono et al.	204
Development of multiwire drift chambers and the readout system for focal-plane tracking detectors in BigRIPS S. Y. Matsumoto et al.	205
Development of control system for magnetic field of the BigRIPS separator with a feedback algorithm Y. Shimizu	206
Fast beam interlock system at BigRIPS separator K. Yoshida et al.	207
Isomer identification under high-rate-counting environment S. Terashima et al.	208
Channeling effect in ultra-thin monolithic silicon telescopes F. Parnefjord Gustafsson et al.	209
Pulse height defect in the sc CVD diamond detector versus the applied electric field measured with fission fragments from 252Cf O. Beliuskina et al.	210
PANDORA project - low-energy neutron detector with real-time neutron-gamma discrimination L. Stuhl et al.	211
Development of co-existing 129Xe and 131Xe nuclear spin masers with active feedback scheme for the Xe atomic EDM search T. Sato et al.	212
Towards two-neutron transfer reactions with a tritium target: Characterization of a prototype TiD0.24 target T. Koiwai, et al.	213
Isotope identification in nuclear emulsion plate for double-hypernuclear study (isotope track-angle dependence) R. Murai et al.	214
Measurement of the activation of helium gas stripper by 238U beam irradiation at 11 A MeV A. Akashio et al.	215
Radiation evaluation for RILAC irradiation room K. Tanaka et al.	216
Status report on the developement of the high-resolution missing-mass spectroscopy for the (p,2p) reaction in inverse kinematics S. Reichert, M. Sako et al.	217
Preparation status of the J-PARC E16 experiment in 2016 S. Yokkaichi et al.	218
Hadron blind detector using a finely segmented pad readout K. Kanno et al.	219
Expected energy resolution and its trigger dependence for very forward neutron measurements in √s = 510 GeV polarized proton-proton collisions at the RHICf experiment M. H. KIM	220
Sensor module prototype for Silicon INTT for sPHENIX Y. Akiba et al.	221
Intermediate Silicon Strip Tracker for sPHENIX Experiment I. Nakagawa et al.	222
Development of data-collection and data-analysis systems for time-resolved ESR experiments T. L. Tang et al.	223
Parallel Readout VME DAQ system H. Baba et al.	224
CCJ operations in 2016 S. Yokkaichi et al.	225
Computing and network environment at the RIKEN Nishina Center T. Ichihara et al.	226
Ⅲ. RESEARCH ACTIVITIES II (Material Science and Biology)
1. Atomic and Solid State Physics (Ion)
Site occupancy of hydrogen in Ta-rich Ta-Nb alloys as observed by the channelling method Y. Okada et al.	227
Nb/rare-earth bilayers: RKKY systems in proximity to an s-wave superconductor H. Yamazaki	228
Investigation of non-catastrophic failure mode observed in SiC diodes Y. Nakada et al.	229
Behavior of Cu impurity in Si studied by the β-NMR of 58Cu M. Mihara et al.	230
2. Atomic and Solid State Physics (Muon)
μSR study of impurity effects on the Cu-spin correlation and superconductivity in the undoped superconductor T’-La1.8Eu0.2CuO4 T. Kawamata et al.	231
μSR study of ferromagnetic fluctuations in heavily overdoped Bi-2201 cuprates K. Kurashima et al.	232
μSR studies of the barium iridate Ba3MIr2O9 (M = Y, Sc) H. Guo et al.	233
μSR investigation of a quantum criticality in the coupled spin ladder Ba2CuTeO6 Y. S. Choi, S.-H. Do et al.	234
Study of the spin dynamics of a honeycomb ruthenate using spin polarized muons S. Yoon et al.	235
Successive magnetic phase transition of the new frustrated compound KCu3OCl(SO4)2 H. Kikuchi et al.	236
Investigation of the magnetic ground state in a new one-dimensional quantum spin system K2Cu3O(SO4)3 M. Fujihala et al.	237
Investigation on spin dynamics of a staircase kagome material by using spin polarized muons S. Yoon et al.	238
Magnetic ordering and spin dynamics driven by p-orbital in RbO2 F. Astuti et al.	239
Study of muon spin rotation of the superconducting state of organic superconductor λ-(BETS)2GaCl4 D. P. Sari et al.	240
Na diffusion in NaxFeO2 J. Sugiyama et al.	241
Solute-vacancy clustering in Al-Mg-Si and Al-Si alloys K. Nishimura et al.	242
Beamline tune for muonium emission from silica aerogel towards ultra-slow muon project at RIKEN-RAL S. Okada et al.	243
Background study with negative muons in RIKEN-RAL for the laser spectroscopy of hyperfine splitting energy in muonic hydrogen M. Sato et al.	244
3. Radiochemistry and Nuclear Chemistry
Observation of the extraction of Fr2+ from a cryogenic gas cell P. Schury, M. Wada et al.	245
On-line column chromatography of 88Nb with 52 wt% Aliquat 336 resin from HF media for Db experiment D. Sato et al.	246
On-line solvent extraction of Re with a rapid solvent extraction apparatus coupled to the GARIS gas-jet system Y. Komori et al.	247
Extraction behavior of 93mMo and 179W from HF / HCl into Aliquat336 as model experiments for seaborgium (Sg) A. Mitsukai et al	248
Batch solid-liquid extraction of Nb and Ta with 52 wt% Aliquat 336 resin from HF solutions D. Sato et al.	249
Extraction behaviors of Nb and Ta with triisooctyl amine from hydrochloric acid solution R. Motoyama et al.	250
Chelate extraction of zirconium and hafnium using flow injection analysis technique for aqueous chemistry of element 104, rutherfordium R. Yamada et al.	251
Coprecipitation experiment with Sm hydroxide using a multitracer produced by nuclear spallation reaction: A tool for chemical studies with superheavy elements Y. Kasamatsu et al.	252
Fundamental study on DFO complexation of Zr : Application to the behavior of geochemical pairs in aquatic environment J. Inagaki et al.	253
Production and purification of 88Zr and 121mTe T. Kubota et al.	254
99Ru Mössbauer spectroscopy of Na-ion batteries of Na2RuO3 (III) K. Takahashi et al.	255
Excitation functions of natCu(α, x)57,58g+mCo nuclear reactions A. R. Usman et al	256
Activation cross sections of α-induced reactions on natZn for 68Ge production M. Aikawa et al.	257
Activation cross sections of deuteron-induced reactions on natural palladium for 103Ag production N. Ukon et al.	258
Production cross sections of 169Yb in deuteron-induced reactions on 169Tm M. Saito et al.	259
No-carrier-added purification of 28Mg using co-precipitation and cation exchange method H. Kikunaga et al.	260
Specification of 67Cu produced in the 70Zn(d,αn)67Cu reaction S. Yano et al.	261
Development of a production technology of 211At at the RIKEN AVF cyclotron: (i) Production of 211At from the 209Bi(α,2n)211At reaction N. Sato et al.	262
Development of a production technology of 211At at the RIKEN AVF cyclotron: (ii) Purification of 211At by a dry distillation method S. Yano et al.	263
4. Radiation Chemistry and Biology
Focus formation of Rad51 and phosphorylated DNA-PK after heavy-ion irradiation in mammalian cells. M. Izumi and T. Abe	265
Low-dose high-LET heavy ion-induced bystander signaling (III) M. Tomita et al.	266
Results of whole-genome analysis of pink and ebony mutant K. Tsuneizumi et al.	267
Effect of carbon-ion irradiation on the mycelial growth of Tricholoma matsutake in the form of spawn H. Murata et al.	268
Flotation of Botryococcus braunii after ionizing irradiation Y. Kazama et al.	269
Effects of LET-dose (Gy) combination on germination and viability rates in durum wheat irradiated by heavy-ion beam K. Murai, Y. Kazama and T. Abe	270
Whole genome sequencing of 12 morphological rice mutants from carbon-ion irradiations H. Ichida et al.	271
Analysis of a temperature sensitive virescent mutant of rice induced by heavy-ion beam R. Morita et al.	272
Low polyphenol oxidase mutant induced by 12C6+ ion beam irradiation to protoplasts of lettuce (Lactuca sativa L.) R. Sawada et al.	273
Production of flower color mutants of spray-mum ʻSouthern Chelseaʼ by Ar-ion beam irradiation M. Tamari et al.	274
New cherry blossom cultivars induced by C-ion beam irradiation S. Ishii et al.	275
Current status of development of ion microbeam device to fatally damage the small active organs of insects T. Ikeda et al.	276
Ⅳ. OPERATION RECORDS
Program Advisory Committee meetings for nuclear physics and for materials and life experiments K. Yoneda et al.	277
Beam-time statistics of RIBF experiments K. Yoneda et al.	278
Electric power condition of Wako campus in 2016 E. Ikezawa et al.	279
Operation report on the ring cyclotrons in the RIBF accelerator complex K. Yadomi et al.	280
RILAC operation E. Ikezawa et al.	281
AVF operations in 2016 S. Ishikawa et al.	282
Present status of the liquid-helium supply and recovery system T. Dantsuka et al.	283
Operation of the BigRIPS cryogenic plant K. Kusaka et al.	284
Present status of the BigRIPS cryogenic plant K. Kusaka et al.	285
Radiation safety management at RIBF K. Tanaka et al.	286
Maintenance of vacuum equipment for accelerators S. Watanabe et al.	288
Operation of fee-based activities by the industrial cooperation team A. Yoshida et al.	289
Operation of the Pelletron tandem accelerator T. Ikeda et al.	290
Ⅴ. EVENTS	291
Ⅵ. ORGANIZATION AND ACTIVITIES OF RIKEN NISHINA CENTER (Activities, Members, Publications & Presentations)	297
Ⅶ. LIST OF PREPRINTS	461
Ⅷ. LIST OF SYMPOSIA, WORKSHOPS & SEMINARS	465
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