RIKEN Accelerator Progress Report

RIKEN Accelerator Progress Report 2015 Vol. 49

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CONTENTS
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PREFACE
PHENIX – looking at hot and cold nuclear matter and resurrecting itself again and again
Ⅰ. HIGHLIGHTS OF THE YEAR
Extension of the N=40 island of inversion to neutron-rich Cr and Fe isotopes C. Santamaria et al.	1
Low-lying structure of 50Ar and the N = 32 subshell closure D. Steppenbeck et al.	2
Candidate resonant tetraneutron state populated by the 4He(8He,8Be) reaction K. Kisamori et al.	3
Magnetic moment measurement of isomeric state in 75Cu Y. Ichikawa et al.	4
Deuteron Analyzing Powers for d-p elastic scattering at 190 MeV/nucleon and three-nucleon force effects K. Sekiguchi et al.	5
Measurement of multiple isobar chains as a first step toward SHE identification via mass spectrometry P. Schury, M. Wada, Y. Ito et al.	6
Gauge symmetry in the large-amplitude collective motion of superfluid nuclei K. Sato	7
Cross section measurement for the spallation reaction of long-lived fission products H. Wang, H. Otsu et al.	8
Final results of ALπL 0 measurement at √s = 510 GeV at mid-rapidity through a PHENIX experiment I. Yoon	9
AN of forward neutron production in √s = 200 GeV polarized proton-nucleus collisions in the PHENIX expermient M. Kim et al.	10
Search for the deeply bound K−pp state from the semi-inclusive forward-neutron spectrum in the in-flight K− reaction on helium-3 T. Hashimoto et al.	11
Phase-space distributions in QGP and thermal photons A. Monnai	12
Λb → pℓ− ν−ℓ and Λb → Λcℓ− ν−ℓ form factors from lattice QCD with relativistic heavy quarks S. Meinel et al.	13
Development of carbon disk at the final stripping section H. Hasebe et al.	14
Development of Particle identification method of high-intensity secondary beams at BigRIPS S. Ota et al.	15
The first on-line commissioning study on parasitic production of low-energy RI-beam system(PALIS) at BigRIPS T. Sonoda et al.	16
NeuLAND demonstrator at SAMURAI: commissioning and efficiency studies J. Kahlbow et al.	17
Beam commissioning of the rare-RI ring Y. Yamaguchi et al.	18
Measurement of isochronism using 78Kr beam for the Rare RI Ring Y. Abe et al.	19
Possible muonic radical formation in cytochrome c Y. Sugawara et al.	20
Development of a rapid solvent extraction apparatus for the aqueous chemistry of the heaviest elements Y. Komori et al.	21
Production of 67Cu using the 70Zn(d,αn)67Cu reaction S. Yano et al.	22
Characteristics of genomic rearrangements induced by heavy-ion beam irradiation in Arabidopsis thaliana T. Hirano et al.	23
Breeding of Summer-Autumn Flowering Chrysanthemum cv. Hakuryo with a little generation of malformed flower A. Hisamura et al.	24
Ⅱ . RESEARCH ACTIVITIES I (Nuclear, Particle and Astro-Physics)
1. Nuclear Physics
Decay properties of 68,69,70Mn G. Benzoni, A.I. Morales	25
Excited states of 136−138Sb from β decay J. Keatings, G. Simpson et al.	26
TZ = −1 and TZ = −2 β-decay studies using 78Kr fragmented beams at BigRIPS, part I B. Rubio et al.	27
TZ = −1 and TZ = −2 β-decay studies using 78Kr fragmented beams at BigRIPS, part II B. Rubio et al.	28
Isospin symmetry studies beyond the f7/2 shell: study of the beta decay of 70,71Kr A. Algora et al.	29
Discovery of a μs isomer of 76Co P-A Söderström et al.	30
Determination of Qβ for the Gamow-Teller decay of 100Sn and 98Cd D. Lubos and J. Park	31
Investigation of octupole correlations of neutron-rich Z ~ 56 isotopes by β-γ spectroscopy R. Yokoyama et al.	32
Study of neutron-rich 142Xe using β-decay spectroscopy A. Yagi et al.	33
New neutron-deficient isotopes from 78Kr fragmentation B. Blank et al.	34
Second campaign of the SEASTAR project P. Doornenbal et al.	35
Intermediate-energy Coulomb excitation of 77Cu E. Sahin et al.	36
Coulomb excitation of 136Te studied with the DALI2 spectrometer V. Vaquero et al.	37
Experimental study of isoscalar and isovector dipole resonances in neutron-rich oxygen isotopes N. Nakatsuka et al.	38
Study of the pygmy dipole resonance of 132Sn and 128Sn in inelastic α-scattering J. Tscheuschner and T. Aumann	39
E1 strength around threshold in 70Ni R. Avigo and O. Wieland	40
In-beam γ-ray spectroscopy of 55Sc D. Steppenbeck et al.	41
Spectroscopy of unbound oxygen isotopes II Y. Kondo et al.	42
First commissioning results for SπRIT-TPC M. Kurata-Nishimura et al.	43
Study on neutron-neutron correlation in Borromean nuclei via the (p, pn) reaction with the SAMURAI spectrometer Y. Kubota et al.	44
Study of Gamow-Teller transition from 132Sn via the (p, n) reaction in inverse kinematics J. Yasuda et al.	45
Progress report of Gamow−Teller giant resonance studies at RIBF M. Sasano et al.	46
Interaction cross section measurement of neutron-rich nuclei 17,19B A. T. Saito et al	47
Time-of-Flight mass measurements of neutron-rich Ca isotopes beyond N = 34 M. Kobayashi et al.	48
Isomer spectroscopy of neutron-rich nuclei near N = 40 Y. Kiyokawa et al.	49
The (16O, 16F(0−)) reaction to study spin-dipole 0− states M. Dozono et al.	50
Spectroscopy of single-particle states in oxygen isotopes via the AO(p, 2p) reaction S. Kawase et al.	51
Spectroscopic factors of the proton bound states in 23,25F T.L. Tang et al.	52
Spin-dipole response of 4He by exothermic charge exchange (8He,8Li* (1+)) H. Miya et al.	53
Magnetic moment measurement of isomeric state in 99Zr and characterization of the abrasion-fission mechanism F. Boulay, J.M. Daugas et al.	54
First dedicated in-beam X-ray measurement at GARIS C. Berner	55
Isotope identification in nuclear emulsion plate for double-hypernuclear study S. Kinbara et al.	56
Measurement of nuclear magnetic moment of neutron-rich 39S Y. Ishibashi et al.	57
Polarization measurements of 39S for β-NMR studies A. Gladkov et al.	58
β-NMR measurement in coincidence with β-delayed γ rays of 39S L.C. Tao et al.	59
First application of the Trojan Horse Method with a radioactive ion beam: study of the 18F(p,α)15O reaction at astrophysical energies S. Cherubini et al.	60
Different mechanism of two-proton emission from excited states of proton-rich nuclei 23Al and 22Mg Y.G. Ma et al.	61
Observation of resonances in 14C with 10Be+α resonant elastic scattering at CRIB H. Yamaguchi et al.	62
New Trojan Horse study of the 18F(p, α)15O reaction at astrophysical energies S. Cherubini et al.	63
17F elastic scattering and total reaction cross section on 58Ni target around Coulomb barrier C.J. Lin, N.R. Ma et al.	64
Measurement of alpha elastic scattering on 15O A. Kim et al.	65
RI beam production at BigRIPS in 2015 Y. Shimizu et al.	66
Production cross section measurement for radioactive isotopes produced from 78Kr beam at 345 MeV/nucleon by BigRIPS separator H. Suzuki et al.	68
Production cross-section measurements for the systematics of Na and Mg isotopes with 48Ca beam D.S. Ahn et al.	69
RI-beam production using BigRIPS separator in regions heavier than those belonging to lead isotope T. Sumikama et al.	70
Development of a slowed-down beam of 82Ge at RIBF T. Sumikama et al.	71
Target study for magnetic moment measurement of 40Sc Y. Ishibashi et al.	72
Giant dipole resonance built on hot rotating nuclei produced during evaporation of light particles from the 88Mo compound nucleus M. Ciemala et al.	73
Experimental investigation on the temperature dependence of the nuclear level density parameter B. Dey et al.	74
2. Nuclear Physics (Theory)
Impurity effects of the Λ particle on the 2α cluster states of 9Be and 10Be M. Isaka and M. Kimura	75
Excited states above the Hoyle state Y. Funaki	76
Shell-model fits for N = 82 isotones M. Honma et al.	77
Soft negative-parity excitations of rotating super- and hyperdeformed states around 40Ca studied by Skyrme-RPA calculations M. Yamagami and K. Matsuyanagi	78
Pairing Reentrance in warm rotating 104Pd nucleus N. Quang Hung et al.	79
Effects of thermal shape fluctuations and pairing fluctuations on the giant dipole resonance in warm nuclei A.K. Rhine Kumar et al.	80
Stability of the wobbling motion in an odd-A nucleus K. Tanabe, K. Sugawara-Tanabe	81
Constraints on the neutron skin and the symmetry energy from the anti-analog giant dipole resonance in 208Pb Cao, Roca-Maza, Colo and Sagawa	82
Variational study of the equation of state for neutron star matter with hyperons H. Togashi et al.	83
Joint project for large-scale nuclear structure calculations in 2015 N. Shimizu et al.	84
3. Nuclear Data
Measurements of secondary neutrons produced from thin Be and C by 50 MeV/u 238U beam H.S. Lee et al.	85
Coulomb breakup reactions of long-lived fission products, 79Se, 93Zr, and 107Pd S. Takeuchi et al.	86
Cross section measurement of residues in proton- and deuteron-induced spallation reactions of 93Zr and 93Nb S. Kawase et al.	87
Simulation of thick-target transmission method for interaction cross sections of 93Zr on 12C M. Aikawa et al.	88
Nuclear data study for the development of transmutation technology S. Ebata et al.	89
Compilation of nuclear reaction data from the RIBF in 2015 D. Ichinkhorloo et al.	90
New EXFOR editor: a review of recent developments A. Sarsembayeva et al.	91
4. Hadron Physics
Determination of the detector acceptance correction for the PHENIX W → μ analysis S. Park	93
Overall trigger efficiency estimation for W analysis at PHENIX Sangwha Park and Ralf Seidl	94
Status of longitudinal double helicity asymmetries (ALL) in π± productions in √s = 510 GeV polarized p + p collisions in RHIC-PHENIX experiment T. Moon et al.	95
Quality assurance of PHENIX spin database for Run 15 at RHIC S. Karthas et al.	96
Gain calibration of the PHENIX Shower Max Detector (SMD) J. Yoo et al.	97
Measurement of transverse single spin asymmetry for J/ψ production in polarized p+p and p+Au collisions at PHENIX C. Xu, H. Yu and X. Wang	98
Studies on transverse spin properties of nucleons at PHENIX Y. Goto	99
Investigation of prompt photon asymmetries using the MPC-EX detector at Brookhaven National Laboratory D. Kapukchyan	100
Analysis of displaced electron tracks with the silicon vertex tracker in Au+Au collisions √sNN = 200 GeV at RHIC-PHENIX H. Asano et al.	101
Current status of open heavy flavor measurements in RHIC-PHENIX RUN14 K. Nagashima et al.	102
Single electron yields from semileptonic charm and bottom hadron decays in Au+Au collisions at √sNN = 200 GeV T. Hachiya et al.	103
Measurements of directed, elliptic, and triangular flow in Cu+Au collisions at √sNN = 200 GeV H. Nakagomi for the PHENIX	104
Searching for mini-QGP in p+p collisions using a high multiplicity trigger with the FVTX S. Han et al.	105
Silicon tracker for sPHENIX I. Nakagawa et al.	106
Forward Jet asymmetry measurements in fsPHENIX R. Seidl and A. Vossen	107
Towards measurment of direct photons via external conversions in high multiplicity pp collisions at 13 TeV H. Murakami	108
Neutral pion production in pp collisions at LHC energies Satoshi Yano	109
Long-range correlation of V0 particles in p-Pb collisions at √sNN = 5.02 TeV with the ALICE detector Y. Sekiguchi	110
Search for exotic dibaryons at LHC-ALICE K. Terasaki et al.	111
RHICf experiment to measure cross section and asymmetry in very forward neutral particle production at RHIC T. Sako et al.	112
Fragmentation function measurements in Belle R. Seidl et al.	113
Progress of Drell−Yan experiment by SeaQuest at Fermilab K. Nagai et al.	114
5. Hadron Physics (Theory)
P-odd spectral density of quark-gluon plasma at weak coupling H.-U. Yee	115
Legendre expansion of longitudinal two-particle correlations A. Monnai and B. Schenke	116
Constraining shear viscosity of QCD matter at forward rapidity G. Denicol et al.	117
Axial current generation by P-odd domain in QCD matter I. Iatrakis, S. Lin and Y. Yin	118
Anomalous chiral effects in heavy ion collisions JINFENG LIAO	119
Transverse momentum dependent jet model for quark fragmentation functions W. Bentz and K. Yazaki	120
Perturbative matching for quasi-PDFs between continuum and lattice T. Ishikawa	121
Chiral contamination in nucleon correlation functions B.C. Tiburzi	122
High-precision calculation of the strange nucleon electromagnetic form factors J. Green, S. Meinel et al.	123
6. Particle Physics
Lattice determination of |Vus| with inclusive hadronic τ decay experiment T. Izubuchi and H. Ohki	125
Standard-model prediction for direct CP violation in K → ππ decays C. Kelly	126
Dipolar quantization and the infinite circumference limit of 2d CFT T. Tada	127
Revision of the brick wall method for calculating the black hole thermodynamic quantities F. Lenz, K. Ohta and K. Yazaki	128
Direct detection of composite dark matter via electromagnetic polarizability E.T. Neil et al.	129
7. Astrophysics and Astro-Glaciology
Diagnose oscillation properties observed in an annual ice-core oxygen isotope record obtained from Dronning Maud Land, Antarctica Y. Hasebe et al.	131
Box-model simulation for variation of atmospheric chemical composition caused by solar energetic particles Y. Nakai et al.	132
Overview of the chemical composition and characteristics of Na+ and Cl− distributions in samples from Antarctic ice core DF01 (Dome Fuji) drilled in 2001 Y. Motizuki et al.	133
8. Accelerator
Energy upgrade for biological applications N. Fukunishi et al.	135
Installation of changeover switches for dipole and quadrupole magnet on a new beam transport line K. Kumagai et al.	136
Progress in high-temperature-oven development for 28 GHz ECR ion source J. Ohnishi et al.	137
Search for suitable scintillation materials for the pepper-pot type emittance meter for diagnostics of low-energy heavy ion beams from an ECR ion source T. Nagatomo et al.	138
Design of input coupler for RIKEN superconducting quarter-wavelength resonator K. Ozeki et al.	139
Study of plasma window for larger aperture N. Ikoma et al.	140
Plasma spectroscopy for ECR ion source tuning at RIKEN H. Muto et al.	141
Status of cryopumps in accelerator facilities Y. Watanabe et al.	142
Nishina RIBF water-cooling system T. Maie et al.	143
Development of pepper-pot emittance monitor for AVF cyclotron Y. Kotaka et al.	144
HTc-SQUID beam current monitor at the RIBF T. Watanabe et al.	145
Radiation monitoring in the RIBF using ionization chamber M. Nakamura et al.	146
Improvement of the RIBF control system M. Komiyama et al.	147
Control system renewal for efficient operation of RIKEN 18 GHz electron cyclotron resonance ion source A. Uchiyama et al.	148
EPICS PV management and method for RIBF control system A. Uchiyama et al.	149
New operation interface for rf voltage and phase of RIBF cyclotrons using rotary encoder K. Yamada et al.	150
Development of a buffer gas-free Buncher for SCRIT experiments K. Yamada et al.	151
Lithium ion production for laser ion source M. Okamura et al.	152
Response of an axial magnetic field to injection of laser ablation plasma S. Ikeda et al.	153
Peformance of a fast kicker magnet for Rare-RI Ring H. Miura et al.	154
9. Instrumentation
Ion-optical study of additive and subtractive modes of BigRIPS H. Takeda et al.	155
PPAC high-rate study with Z 〜 50 beams (MS-EXP15-09) H. Sato et al.	156
ANSYS code calculations for measuring beam spot temperature Z. Korkulu et al.	157
Measurement of beam-spot temperature on production target at BigRIPS Y. Yanagisawa et al.	158
Temperature measurements of the high power beam dump of the BigRIPS separator K. Yoshida et al.	159
Production of low-energy 4.17 MeV/nucleon 9C beam with polyethylene degrader at RIPS E. Milman et al.	160
SpiRITROOT: an analysis framework for the SπRIT experiment G. Jhang et al.	161
Construction of readout system for SPiRIT-TPC T. Isobe et al.	162
Multiplicity trigger array for the SπRIT experiment M. Kaneko et al.	163
Performance test of the silicon tracker for the heavy-ion-proton experiments at SAMURAI V. Panin et al.	164
Development for proton detector NINJA at SAMURAI magnet gap with VME-EASIROC readout N. Chiga et al.	165
Frame design for the γ-ray detector array CATANA N. Chiga et al.	166
Status of the (p, 2p) silicon tracker for upcoming fission experiments with the SAMURAI spectrometer S. Reichert, M. Sako et al.	167
Development of the He-filling system for the SAMURAI spectrometer V. Panin et al.	168
Beta-delayed neutron measurement with new detector NiGIRI V. H. Phong et al.	169
Low-pressure MWDC system for ESPRI experiment (II) Y. Matsuda et al.	170
Development of a new low-energy neutron detector with pulse shape discrimination properties for (p,n) experiments L. Stuhl et al.	171
Hyperpolarization of flowing water by dynamic nuclear polarization K. Yamada et al.	172
Design study of triplet-resonance circuit to polarize 13C spins utilizing dynamic nuclear polarization and cross polarization T. Kaneko, K. Tateishi and T. Uesaka	173
Dependence of spin-polarized proton target performance on microwave resonator thickness parameter and operation temperature S. Chebotaryov et al.	174
Pressure dependence of effective gas gain of THGEM in deuterium gas C.S. Lee et al.	175
Development of 178m2Hf isomer target N. Kitamura et al.	176
Construction of OEDO beamline S. Michimasa et al.	177
Simulation study of a new energy-degrading beamline, OEDO M. Matsushita et al.	178
Performance of a resonant Schottky pick-up in the commissioning of Rare RI Ring F. Suzaki et al.	179
Online results for the injection ion optics of the Rare RI Ring Z. Ge et al.	180
Circulation detector for Rare RI Ring D. Nagae	181
Study on background suppression of charged particles using GARIS-II filled with He-H2 mixture D. Kaji et al.	182
Current status of a gas-cell system for precision experiments with GARIS-II Y. Ito et al.	183
Extraction of multi-nucleon transfer reaction products in the 136Xe and 198Pt system Y. Hirayama et al.	184
Measuring luminosity of electron scattering from Xe isotopes at the SCRIT experiment A. Enokizono et al.	185
Current status of RI beam production at electron-beam-driven RI separator for SCRIT (ERIS) T. Ohnishi et al.	186
Commissioning of SCRIT electron scattering facility with stable nuclear targets K. Tsukada et al.	187
New design of timing-controller circuit board for accelerators in the SCRIT facility M. Watanabe et al.	188
All-solid-state continuous-wave laser source at 313 nm for laser cooling of Be+ ions A. Takamine et al.	189
An injection-locked Titanium:Sapphire laser for high-resolution in-jet resonance ionization spectroscopy at PALIS M. Reponen et al.	190
Development of magnetic field coils for laser spectroscopy of atoms in He II T. Fujita et al.	191
Intensity evaluation of laser-RF double resonance signal of Rb atoms in superfluid helium cryostat K. Imamura et al.	192
Formation of uniform heavy-ion beam for industrial utilization T. Kambara and A. Yoshida	193
Gamma-ray inspection of rotating object T. Kambara et al.	194
Development of a new cluster reconstruction method for GEM Tracker for the J-PARC E16 experiment W. Nakai et al.	195
Study of the effect of radiation damage on the quantum efficiency of a CsI photocathode K. Kanno	196
Performance of the FVTX high-multiplicity trigger system for the RHIC-PHENIX experiment Run15 T. Nagashima et al.	197
R&D of silicon strip detector for the sPHENIX tracker G. Mitsuka et al.	198
Development of sensor prototype for sPHENIX Silicon Tracker Y. Akiba et al.	199
Implementation of the TDC function in the GTO T. Yoshida et al.	200
New functions in Generic Trigger Operator H. Baba et al.	201
Upgrade of trigger circuits and DAQ modules for SAMURAI Y. Togano et al.	202
Tests of the Advanced Implantation Detector Array (AIDA) at RIBF C. Griffin, T. Davinson et al.	203
CCJ operations in 2015 S. Yokkaichi et al.	204
Computing and network environment at the RIKEN Nishina Center T. Ichihara et al.	205
Ⅲ . RESEARCH ACTIVITIES II (Material Science and Biology)
1. Atomic and Solid State Physics (Ion)
Site change of hydrogen owing to lattice distortion in Nb alloys C. Sugi et al.	207
Superconducting proximity effects in Nb/rare-earth bilayers H. Yamazaki	208
Evaluation of single event transient error rate related to operation frequency on 64bit SOI micro processor A. Maru et al.	209
2. Atomic and Solid State Physics (Muon)
μSR study of the Cu-spin correlation in heavily electron-doped high-Tc Tʼ-cuprates T. Adachi et al.	211
Magnetic ordering in YBa2Cu3O6 S.S. Mohd-Tajudin	212
μSR study of an insulator near high-Tc honeycomb lattice superconductors S. Shamoto and I. Watanabe	213
Investigation of magnetic ground states in mixed kagome systems (Rb1−xCsx)2Cu3SnF12 II T. Suzuki et al.	214
μSR Result on Magnetic ground state of Ce1−xLaxT2Al10 (T = Ru, Os) N. Adam et al.	215
μSR study on the Kondo semiconductor (CexLa1−x)Ru2Al10 N. Adam et al.	216
Disappearing of the Ir-ordered state in the Pyrochlore iridates (Nd,Ca)2Ir2O7 studied by μSR R. Asih et al.	217
μSR investigation of novel magnetism in the 4d Heisenberg-Kitaev honeycomb compound α-RuCl3 Sungwon Yoon et al.	218
Investigation of the magnetic ground state of frustrated spin system Rb2Cu2Mo3O12 S. Ohira-Kawamura et al.	219
Spin dynamics for p electrons in CsO2 and NaO2 D.P. Sari et al.	220
μSR study of spin dynamics in Cu-based organic-inorganic hybrid systems E. Suprayoga et al.	221
Study of frustrated antiferromagnetic states by μSR M. Abdel-Jawad et al.	222
Antiferromagnetic ordering in organic π − d hybrids [Pd(tmdt)2] R. Takagi et al.	223
Solute-vacancy clustering in Al-Mg-Si and Al-Si alloys K. Nishimura et al.	224
Li-ion diffusion in Li-ion battery material LiFe1−xMnxPO4 I. Umegaki et al.	225
Development of RF cavity for MuSEUM experiment in a zero magnetic field K.S. Tanaka	226
Development of magnetic shield for the MuSEUM experiment S. Kanda	227
Ultra-slow muon production at the RIKEN-RAL muon facility based on muonium emission from silica aerogel S. Okada et al.	228
Development of a slow muon detection system for a muon acceleration R. Kitamura	229
FAMU experiment: studies on the muon transfer process in a mixture of hydrogen and higher Z gas A. Vacchi et al.	230
Development of mid-infrared laser for the measurement of muonic hydrogen atom hyperfine splitting energy S. Aikawa et al.	231
3. Radiochemistry and Nuclear Chemistry
Production of neutron deficient Rf isotopes in 208Pb + 48,50Ti reactions S. Goto et al.	233
Off-line experiments of isothermal gas chromatography for Zr and Hf tetrachlorides K. Shirai et al.	234
Adsorption behavior of No with a TTA chelate extractant from HF/HNO3 acidic solutions Y. Fukuda et al.	235
Extraction behavior of Mo and W from sulfuric acid into Aliquat336 as model experiments for seaborgium (Sg) A. Mitsukai et al.	236
Solid-liquid extraction of Nb and Ta with Aliquat 336 resin from HF solutions for chemical experiment of element 105, Db D. Sato et al.	237
Extraction behaviors of chloride complexes of Nb and Ta with triisooctyl amine for chemical experiment of dubnium (Db) R. Motoyama et al.	238
Development of an automated batch-type solid-liquid extraction apparatus and extraction of Zr, Hf, and Th by triisooctylamine from HCl solutions for chemistry of element 104, Rf Y. Kasamatsu et al.	239
Solvent extraction of Zr and Hf using the online flow-type extraction apparatus for superheavy elements Y. Kasamatsu et al.	240
Solvent extraction behavior of Zr and Hf with di(2-ethylhexyl)phosphoric acid for aqueous chemistry of Rf R. Yamada et al.	241
99Ru Mössbauer spectroscopy of Na-ion batteries of Na2RuO3 (II) K. Takahashi et al.	242
Quantitative study on metallofullerene separation by chemical reduction K. Akiyama et al.	243
Production cross sections of (d,x) reactions on natural platinum M.U. Khandaker and H. Haba	244
Measurement of production cross sections of Re isotopes in the natW(d,x) reactions Y. Komori et al.	245
Alpha particle induced cross section measurements on natural and enriched Cd at 50 MeV F. Ditrói, S. Takács and H. Haba	246
Excitation function of α-induced reaction on natPd for 103Ag production M. Aikawa et al.	247
Excitation functions of deuteron-induced reactions on natural nickel AR Usman, MU Khanda and H. Haba	248
Cross checking of monitor reactions at RIKEN AVF cyclotron using 50 MeV alpha particle beams S.Takács et al.	249
4. Radiation Chemistry and Biology
The defect of non-homologous end joining substantially enhanced the focus formation of Rad51 after X-ray irradiation, but not after heavy-ion irradiation M. Izumi and T. Abe	251
Low-dose high-LET heavy ion-induced bystander signaling (II) M. Tomita et al.	252
Effects of several LET conditions on the mutation isolation system in fruit flies K. Tsuneizumi and T. Abe	253
Development of a high-performance bioinformatics pipeline for rice exome sequencing H. Ichida et al.	254
Molecular characterization of mutations induced in PLASTOCHRON2 by a heavy-ion beam in dry rice seeds R. Morita et al.	255
Effect of Ar-ion beam irradiation on imbibed seed of rice Y. Hayashi et al.	256
Relationship between early-flowering mutation and LET-Gy combination of ion beam irradiation in einkorn wheat K. Murai et al.	257
Improvement of DelMapper: software for deletion mapping of non-recombining region K. Ishii et al.	258
A new physical mapping of the Silene latifolia Y chromosome Y. Kazama et al.	259
Sexual reproduction observed in the loss-of-apomixis mutants of guineagrass induced by heavy-ion beam irradiation M. Takahara et al.	260
Induction of flower color mutants by heavy-ion irradiation to leaf blades of spray-mum ‘Southern Chelsea’ Y. Tanokashira et al.	261
Production of mutant line with early flowering at a low temperature in spray-type chrysanthemum cultivar induced by C-ion beam irradiation K. Sakamoto et al.	262
Agronomic characteristics of new edible chrysanthemum cultivar ‘Yamaen K4’ induced by heavy-ion beam irradiation S. Endo et al.	263
Isolation of dwarf mutants induced with C-ion beam irradiation in pea cultivar ‘‘Kishu-usui’’ Y. Kotani et al.	264
Robust strains isolated by heavy-ion beam irradiation and endurance screening in the green algae, Haematococcus pluvialis T. Takeshita et al.	265
Particle beam radiation of the ectomycorrhizal basidiomycete Tricholoma matsutake that produces the prized, but uncultivable, mushroom “matsutake” H. Murata et al.	266
Microbeam divergence from glass capillaries compared with simulation for biological use T. Ikeda et al.	267
Ⅳ . OPERATION RECORDS
Program Advisory Committee meetings for nuclear physics and for materials and life experiments K. Yoneda et al.	269
Beam-time statistics of RIBF experiments K. Yoneda et al.	270
Electric power condition of Wako campus in 2015 E. Ikezawa et al.	271
Radiation safety management at RIBF Kanenobu Tanaka et al.	272
RILAC operation E. Ikezawa et al.	274
AVF operations in 2015 T. Nakamura et al.	275
Present status of the liquid-helium supply and recovery system T. Dantsuka et al.	276
Present status of the BigRIPS cryogenic plant K. Kusaka et al.	277
Maintenance of vacuum for accelerators S. Watanabe et al.	278
Operation of fee-based activities by the industrial cooperation team A. Yoshida et al.	279
Operation of the tandem accelerator T. Kobayashi and M. Hamagaki	280
Operation report on the ring-cyclotrons in the RIBF accelerator complex M. Nishida et al.	281
Ⅴ . EVENTS	283
Ⅵ . ORGANIZATION AND ACTIVITIES OF RIKEN NISHINA CENTER (Activities, Members, Publications & Presentations)	291
Ⅶ . LIST OF PREPRINTS	473
Ⅷ . LIST OF SYMPOSIA, WORKSHOPS & SEMINARS	477
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