RIKEN Accel. Prog. Rep. 47 (2014)

CONTENTSC O N T E N T S
Page

GRAVURE & HIGHLIGHTS OF THE YEAR
Extending the Nuclear Chart, Expanding our Wisdom··············································································
H. Suzuki for the BigRIPS teami

RI beam production at BigRIPS since its commssioning in 2007·································································
N. Inabe et al.

iv

Identification and separation of radioactive isotope beams by the BigRIPS separator at the RIKEN RI Beam Factory······
N. Fukuda et al.

v

Production cross section measurements of radioactive isotopes by BigRIPS separator at RIKEN RI Beam Factory·········
H. Suzuki et al.

viComparison of production yields of neutron-rich nuclei between Be and W targets by in-flight fission of 238U beam·····
D. Murai et al.

vii

Production rates of new neutron-rich rare-earth nuclei via in-flight fission of a 345 MeV/nucleon 238U beam··············
D. Kameda et al.

viii

Evidence for a new nuclear ʻmagic numberʼ in 54Ca·················································································
D. Steppenbeck et al.

ix

First physics data of the J-PARC E15 Experiment···················································································
Y. Sada et al.

x

Measurement of the 248Cm + 48Ca fusion reaction products at RIKEN GARIS··················································
K. Morita et al.

xiOperational test of micro-oven for 48Ca beam························································································
K. Ozeki et al.

xii

Current status of RI beam production at electron-beam-driven RI separator for SCRIT (ERIS)······························
T. Ohnishi et al.

xiii

In-beam validation of the MINOS device at HIMAC···············································································
C. Santamaria et al.

xiv

Seniority isomer in 128Pd·················································································································
H. Watanabe et al.

xv

Evolution of collectivity in neutron-rich Ru nuclei··················································································
P.-A. Söderström et al.

xvi

Isomer spectroscopy of neutron-rich Nd isotopes····················································································
Mn. Tanaka et al.

xvii

Proton scattering of 16C at 300 MeV/nucleon·························································································
S. Terashima et al.

xviii

Structure of 19C studied by one-neutron knockout at SAMURAI··································································
J.W. Hwang et al.

xix

Exploration of cluster structure on neutron rich nuclei 16C with SAMURAI magnetic spectrometer·························
H. Otsu et al.

xx

Structure study of 10He by 11Li(d,3He) transfer reaction·············································································
A. Matta et al.

xxi

New isotope candidates, 215U and 216U·································································································
Y. Wakabayashi et al.

xxii

Production of 262Db in the 248Cm(19F,5n)262Db reaction and decay properties of 262Db and 258Lr·······························
H. Haba et al.

xxiii

Beta-decay properties of neutron-rich Zr isotopes studied by the Skyrme enegy-density functional method···············
K. Yoshida

xxiv

Heavy-quark measurement using distance of closest approach analysis··························································
R. Akimoto et al.

xxv

RIKEN Accel. Prog. Rep. 47 (2014)

CONTENTS

Search for a dark photon in π0 Dalitz decays by PHENIX experiment at RHIC·················································
Y. Akiba et al.

xxvi

Primordial spectra from sudden turning trajectory···················································································
T. Noumi and M. Yamaguchi

xxvii

Sudden termination of high-energy γ rays detected from thunderclouds before lightning·····································
H. Tsuchiya et al.

xxviiiμSR study of Al-Mg, Al-Si and Al-Mg-Si alloys·····················································································
K. Matsuda et al.

xxix

Investigation of the magnetic states in new spin-tetrahedral K4Cu4Cl10O·························································
X.G. Zheng et al.

xxx

I. PREFACE ···································································································································

1

II. RESEARCH ACTIVITIES I (Nuclear, Particle and Astro-Physics)
1. Nuclear Physics
Search for isomers in neutron-rich Cs isotopes·······················································································
A. Yagi et al.

3

Decay spectroscopy in the neutron-rich A~140 region beyond the doubly-magic 132Sn········································
R. Lozeva et al.

4Lifetime measurements of excited states in 102, 104Zr with a LaBr3(Ce) array·····················································
F. Browne et al.

5

Progress of study of β-decay of neutron-rich nuclei with Z ~ 60···································································
J. Wu et al.

6

Study of the superallowed β-decay of 100Sn···························································································
D. Lubos et al.

7

Decay spectroscopy around 78Ni with the EURICA setup···········································································
G. Benzoni et al.

8

Structure of neutron-rich Zr and Mo isotopes························································································
T. Sumikama et al.

9

Search for K-isomers in neutron-rich Z≈60 isotopes················································································
E. Ideguchi et al.

10

Isomer study on neutron-rich Pm isotopes using EURICA at RIBF·······························································
R. Yokoyama et al.

11

Beta-delayed proton emission of 73Sr and effective lifetime of the rp-process waiting point 72Kr
in X-ray bursts environment······································································································
L. Sinclair et al.

12

Commissioning of a LaBr3(Ce) array with EURICA at RIBF······································································
Z. Patel et al.

13

Deuteron Analyzing Powers for dp elastic scattering at 250–294 MeV/nucleon and three-nucleon force···················
K. Sekiguchi et al.

14

Shallow and diffuse spin-orbit potential for proton elastic scattering from neutron-rich helium isotopes at 71
MeV/nucleon·······················································································································
S. Sakaguchi et al.

15

Study of proton and neutron density distributions observed via proton elastic scattering at 200 and 300 MeV·············
J. Zenihiro et al.

16

Spin-isospin response of the neutron-rich nucleus 8He via the (p,n) reaction in inverse kinematics··························
M. Kobayashi et al.

17

New type of spectroscopy via heavy-ion double charge exchange (12C,12Be(0+2)) reaction·····································
M. Takaki et al.

18

Study of spin-isospin responses via exothermic charge exchange reaction (8He, 8Li)··········································
H. Miya et al.

19Spectroscopy of single-particle states in oxygen isotopes via AO( p,pN ) reaction with polarized protons···················
S. Kawase et al.

20

CONTENTS

RIKEN Accel. Prog. Rep. 47 (2014)

Missing-mass spectroscopy of the 4n system via exothermic double-charge exchange reaction at high beam counting
rates··································································································································
K. Kisamori et al.

21

Parity-transfer (16O,16F) reaction for study of pionic 0– mode······································································
M. Dozono et al.

22

Missing mass spectroscopy on carbon isotopes beyond proton drip-line·························································
T. Miyazaki et al.

23

Design of experiment for search of 10N resonances with resonant scattering of 9C off polarized proton·····················
E. Milman et al.

24

Measurement of alpha elastic scattering on 15O······················································································
A. Kim et al.

25

Study of unbound oxygen isotopes 25O and 26O using SAMURAI································································
Y. Kondo et al.

26

Two-neutron removal reaction from 22C·······························································································
N. Kobayashi et al.

27

One-neutron knockout reaction of 17C on a hydrogen target at 70 MeV/nucleon················································
Y. Satou et al.

28

Invariant mass spectroscopy of 17C at SAMURAI···················································································
S. Kim et al.

29

Structure of 18B ···························································································································
S. Leblond et al.

30

Energy dependence of π– differential cross section in 28Si + In with beam energies of 400, 600 and 800····················
M. Sako et al.

31

Study of symmetry energy using isospin diffusion process in heavy-ion collision at RIBF···································
N. Nakatsuka et al.

32

Simulation study of neutron measurement using NEBULA simulation package for SπRIT project··························
G. Jhang et al.

33

In-beam γ-ray spectroscopy of 34,36,38Mg: Merging the N = 20 and N = 28 shell quenching···································
P. Doornenbal et al.

34

In-beam γ-ray spectroscopy of 80Zn····································································································
Y. Shiga et al.

35

Intermediate energy Coulomb excitation of 73,74,75Ni················································································
A. Gottardo et al.

36

Zeeman resonance spectroscopy of 84–87Rb in superfluid helium··································································
X.F. Yang et al.

37

Study of high-spin states in 35S·········································································································
S. Go et al.

38

Measurement of 41S spin polarization·································································································
H. Shirai et al.

39

Offline experiment of high-resolution resonance ionization spectroscopy on Titanium using injection-locked Ti:
Sapphire laser system··············································································································
T. Takamatsu et al.

40

First α-γ spectroscopic study using a Si-Ge detector array installed at the focal plane of GARIS····························
D. Kaji et al.

41

Experimental study of resonant states in 27P via elastic scattering of 26Si+p·····················································
H.S. Jung et al.

42

Study of resonance states in 26Si by elastic scattering of 22Mg+α··································································
N.N. Duy et al.

43

Confirmation of the astrophysically important 6.15-MeV, 1– state in 18Ne via resonant proton scattering of 17F+p········
J. Hu et al.

44

RIKEN Accel. Prog. Rep. 47 (2014)

CONTENTS

Progress on the 16N beta delayed alpha decay studied using the Center for Nuclear Study Multi Sampling Time
Projection Chamber················································································································
S. Cherubini et al.

45

Search for new isotopes near the proton drip-line close to 100Sn···································································
I. Čeliković et al.

46

Identification of 18 new neutron-rich isotopes produced in the EURICA uranium beam campaign··························
Y. Shimizu et al.

47

Charge-state determination for new isotopes near the proton drip-line···························································
Y. Ohkoda et al.

48

2. Nuclear Physics (Theory)
Giant monopole resonances in covariant finite-amplitude method································································
H.Z. Liang et al.

49

Spin-orbit effects on pseudospin symmetry···························································································
H.Z. Liang et al.

50

Shape evolution of giant resonances in Nd and Sm isotopes·······································································
K. Yoshida and T. Nakatsukasa

51

Tensor force and shape evolution of Si isotopes in Skyrme-Hartree-Fock model···············································
A. Li et al.

52

Incompressibility in finite fermionic systems: application to stable and exotic nuclei··········································
E. Khan et al.

53

Competition between T = 1 and T = 0 pairing in pf shell nuclei with N = Z······················································
H. Sagawa et al.

54

Joint project for large-scale nuclear strucuture calculations········································································
N. Shimizu et al.

55

Pairing correlation and quasi-particle resonances in neutron drip-line nuclei····················································
Y. Kobayashi and M. Matsuo

56

Di-neutron correlation in pair-addition vibrational mode of the neutron-rich Sn isotopes·····································
H. Shimoyama and M. Matsuo

57

Angular momentum dependence of moments of inertia due to Coriolis anti-pairing and blocking effects··················
K. Sugawara-Tanabe and K. Tanabe

58

Energy-density-functional calculations including proton–neutron mixing·······················································
K. Sato et al.

59

Skyrme-RPA calculation for octupole vibrations of rotating superdeformed nuclei············································
M. Yamagami and K. Matsuyanagi

60

Di-neutron correlation in asymptotic tail of weakly bound nuclei·································································
Y. Zhang et al.

61

Deformed nuclei in the black-sphere approximation················································································
A. Kohama et al.

62

Shell-model description of low-lying states in Rn isotopes·········································································
N. Yoshinaga and K. Higashiyama

63

Shell-model study of nuclear structure around 100Sn·················································································
M. Honma et al.

64

Giant dipole resonance in 88Mo from phonon damping modelʼs strength functions averaged over temperature andangular momentum distributions·································································································
N. Dinh Dang et al.

65

On the importance of using exact pairing in the study of pygmy dipole resonance·············································
N. Dinh Dang and N. Quang Hung

66

Microscopic analysis of fusion hindrance in heavy systems········································································
K. Washiyama

67

3. Nuclear Data
Compilation of nuclear reaction data from RIBF····················································································
A. Makinaga et al.

69

RIKEN Accel. Prog. Rep. 47 (2014)

CONTENTS

Nuclear data format suitable simultaneously for databases, experimentalists and users········································
M. Aikawa et al.

70

Development of nuclear data application software with “Webble World”························································
S. Ebata et al.

71

Systematic study of nuclear data for nuclear transmutation········································································
A. Makinaga et al.

72

JCPRG-RNC joint workshop on nuclear data························································································
M. Aikawa et al.

73

4. Hadron Physics—

Neutral pion production with respect to centrality and reaction plane in Au+Au collisions at √ s
Y. Aramaki et al.

= 200 GeV············

75= 200 GeV at PHENIX············

76

Status of CuAu flow measurement·····································································································
H. Nakagomi et al.

77—

Study of medium properties with two particle correlations in d+Au collisions at √ s
C.H. Chen—

Study of direct photon azimuthal anisotropy in √ s
S. Mizuno et al.

NN

NN= 200 GeV Au+Au in RHIC-PHENIX experiment···················

78

Result of the energy scan program at RHIC-PHENIX··············································································
Y. Ikeda

79

Search for the strong magnetic field via di-electron measurement in heavy-ion collisions at RHIC-PHENIX··············
T. Hoshino et al.

80

NN

—

High pT hadron production in Au+Au collisions at √ s
Y. Akiba et al.

= 200 GeV······························································

81

Status of the charm and bottom measurement with PHENIX-VTX·······························································
T. Hachiya et al.

82

NN

–

Measurement of D0 in p+p collisions at √ s = 200 GeV using the Silicon Vertex Tracker at RHIC-PHENIX···············
T. Moon et al.

83

Development of coordinate offset online calibration system at RHIC-PHENIX················································
H. Asano et al.

84–

Status of analysis of longitudinal double helicity asymmetry in π0 production in √ s = 510 GeV polarized
proton–proton collision by PHENIX central arm··············································································
I. Yoon et al.
Status of π0 pair ALL analysis in RHIC-PHENIX experiment·······································································
K. Hashimoto et al.

85
86

–

Measurement of longitudinal double-spin asymmetries of J/ψ production in polarized p+p collisions at √ s = 500 GeV
for 2012 run·························································································································
X. Wang et al.

87

PHENIX local polarimetery analysis status···························································································
M. Kim et al.

88

Sea quark polarization measurement by W ± → μ ± in PHENIX 2012·····························································
C. Kim et al.

89

Study of the dimuon process for PHENIX W ± → μ ± analysis using 2012 data··················································
S. Park et al.

90

PHENIX W → μ measurements from the 2013 data-taking period································································
R. Seidl et al.

91

Improvement of global alignment of PHENIX muon tracker ······································································
T. Iguri et al.

92

Forward spectrometer upgrade of the PHENIX experiment········································································
Y. Goto et al.

93

Design for an eRHIC detector based on the sPHENIX detector···································································
K. Boyle et al.

94

RIKEN Accel. Prog. Rep. 47 (2014)

CONTENTS

The Application of Gaussian Procession to Background Spectrum Modeling at PHENIX····································
J. Seele et al.

95

Fragmentation function measurements with the Belle detector····································································
R. Seidl et al.

96

Probing flavor asymmetry of antiquarks of the proton in the E906/SeaQuest experiment·····································
S. Miyasaka et al.

97—

Elliptic flow of neutral pion in Pb+Pb collisions at √ s
T. Tsuji et al.

= 2.76 TeV by ALICE experiment··································

98

Measurement of high-pT neutral mesons with a high-energy photon trigger at ALICE·········································
S. Yano and K. Shigaki

99

Azimuthal distribution of jets with respect to high-pT neutral pion triggers in pp collisions from ALICE···················
D. Watanabe and T.Chujo

100—

Measurement of dielectron production in √ s
S. Hayashi et al.

NN= 5.02 TeV p-Pb collisions at LHC-ALICE··································

101

Quark contribution for center domain in heavy ion collisions ·····································································
K. Kashiwa and A. Monnai

103

Signatures of chiral magnetic wave in heavy ion collisions········································································
H.-U. Yee

104

Dihadron Fragmentation Functions in the NJL-Jet Model··········································································
H. Matevosyan et al.

105

Twist-3 fragmentation and transverse single-spin asymmetries····································································
D. Pitonyak

106

Polarized fragmentation functions and electron-positron annihilation····························································
D. Pitonyak

107

Spatial Wilson loops in high-energy heavy-ion collisions··········································································
A. Dumitru

108

Bose-Einstein Condensation in “the very hot”························································································
J. Liao109

Out-of-equilibrium chiral magnetic effect at strong coupling······································································
S. Lin and H-U. Yee

110

General conditions ensuring relativistic causality in an effective field theory based on the derivative expansion··········
Y. Minami and Y. Hidaka

111

Boundary Restoration of Chiral Symmetry···························································································
B. Tiburzi

112

Cutoff effects on lattice nuclear forces································································································
T. Doi113

Nucleon axial charge in lattice QCD with nearly physical pion mass·····························································
S. Ohta et al.

114

Lattice QCD calculation of n – n– transition amplitudes·············································································
S. Syritsyn et al.

115

Columbia plot and ’t Hooft loop at imaginary chemical potential·································································
K. Kashiwa and R. D. Pisarski

116

Progress towards an ab initio, Standard Model calculation of direct CP-violation in K-decays·······························
C. Kelly

117

NN

5. Hadron Physics (Theory)

6. Particle Physics
Improved estimate of neutral B meson mixing in static limit of b quark with AMA technique································
T. Ishikawa et al.

119

Lorentz invariant CPT violation········································································································
K. Fujikawa et al.

120

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Conditionally valid uncertainty relations······························································································
K. Fujikawa

121

Heisenberg uncertainty relation revisited······························································································
K. Fujikawa

122

Note on intersecting branes in topological strings···················································································
T. Kimura123

Non-Lagrangian theories from brane junctions·······················································································
M. Taki et al.

124

Holomorphic blocks for 3D non-Abelian partition functions·······································································
M. Taki

125

Notes on the enhancement of flavor symmetry and 5d superconformal index···················································
M. Taki126

From the Berkovits formulation to the Witten formulation in open superstring field theory···································
Y. Iimori et al.

127

A landscape in boundary string field theory: new class of solutions with massive state condensation·······················
K. Hashimoto and M. Murata

128

Vacuum instability in electric fields via AdS/CFT: Euler-Heisenberg Lagrangian and Planckian thermalization···········
K. Hashimoto and T. Oka

129

Unitarity bounds from generalised Käbler identities·················································································
J. Schmude

130Superconformal indices for gauge duals of AdS4 × SE7·············································································
J. Schmude131

Sine square deformation and its implication to string theory·······································································
T. Tada132

Phase structure of two-dimensional topological insulators by lattice strong-coupling expansion·····························
Y. Araki and T. Kimura

133

Effective gravitational interactions of dark matter axions··········································································
T. Noumi et al.

134

Composite dark matter and lattice simulations·······················································································
E.T. Neil et al.

135

7. Astrophysics and Astro-Glaciology
Dynamics of X-ray–emitting ejecta in the oxygen-rich supernova remnant Puppis A revealed by the XMM-Newton
RGS··································································································································
S. Katsuda et al.

137

NuSTAR observation of the fast rotating magnetized white dwarf AE Aquarii···················································
T. Kitaguchi et al.

138

Measurement of nitrogen and oxygen isotope ratios in considerably low nitrate concentration ice core samples··········
S. Okamoto et al.

139

8. Accelerator
Conceptual design of SC linac for RIBF-upgrade plan··············································································
K. Yamada et al.

141

Recent development of RIKEN 28-GHz superconducting electron cyclotron resonance ion source·························
Y. Higurashi et al.

142

Development of high-temperature oven for the 28-GHz ECR ion source························································
J. Ohnishi et al.

143

Improved beryllium disk stripper for uranium acceleration at RIKEN RIBF····················································
H. Hasebe et al.

144

Test ot differential pumping system with plasma window using gas cell·························································
H. Kuboki et al.

145

Charge state distribution measurement of 86Kr in H2 and He gases at 2.7 MeV/nucleon·······································
H. Kuboki et al.

146

RIKEN Accel. Prog. Rep. 47 (2014)

CONTENTS

Air stripper for high-intensity xenon beam····························································································
H. Imao et al.

147

Design and construction of drift tube linac cavities for RIKEN RI Beam Factory··············································
K. Suda et al.

148

Renewal of automatic tuning systems for RILAC cavities·········································································
K. Yamada et al.

149

Replacement of main coils of RRC-W sector magnet···············································································
Y. Watanabe et al.

150

Replacement of the RIKEN ring cyclotron (RRC) power supplies ·······························································
K. Kumagai et al.

151

Vacuum leaks in accelerators············································································································
S. Watanabe et al.

152

Reinforcement of magnetic shield for HTc SQUID beam current monitor at the RIBF········································
T. Watanabe et al.

153

Online monitoring of beam intensity using current transformer at CRIB·························································
R. Koyama et al.

154

Online monitoring of beam phase and intensity using lock-in ampliﬁers·························································
R. Koyama et al.

155

Modification of beam diagnosis chambers in RILAC2 high-energy beam transport············································
K. Yamada et al.

156

Upgrading the server system using virtualization technology in the RIBF control system·····································
A. Uchiyama et al.

157

Development of a system for measurement beam service time in RIBF operations············································
A. Uchiyama et al.

158

NISHINA RIBF water-cooling system 2013··························································································
T. Maie et al.

159

Magnetic field clamp in direct plasma injection scheme············································································
M. Okamura et al.

160

Creation of cocktail beam from alloy target with laser··············································································
S. Ikeda et al.

161

Interaction of plasmas in laser ion source with double laser system·······························································
Y. Fuwa et al.

162

Control of plasma shape with pulsed solenoid on laser ion source································································
M. Sekine

163

Analyses of the plasma generated by laser irradiation on sputtered target for determination of the target thickness used
for plasma generation··············································································································
M. Kumaki et al.

164

9. Instrumentation
Ion-optical measurements using uranium primary beam with different charge states···········································
H. Takeda et al.

165

Database of radioactive isotopes produced at the BigRIPS separator·····························································
Y. Shimizu et al.

166

Extraction of 3D field maps of magnetic multipoles from 2D surface measurements··········································
H. Takeda et al.

167

Radiation damage of plastic scintillation counter····················································································
D.S. Ahn et al.

168

Development of the fast interlock system at the BigRIPS separator······························································
K. Yoshida et al.

169

Energy resolution of a gas ionization chamber for high-energy heavy ions······················································
Y. Sato et al.

170

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Development of intense 22Na beam for application to wear diagnostics··························································
A. Yoshida et al.

171

Development of ion-optics mode for the SAMURAI beam line···································································
H. Suzuki et al.

172

Operational status of the superconducting SAMURAI magnet····································································
H. Sato et al.

173

Vacuum system for the SAMURAI spectrometer····················································································
Y. Shimizu et al.

174

Full-size partition window for the SAMURAI spectrometer·······································································
Y. Shimizu et al.

175

Development Of Multiple-Particle Tracking Algorithm For Forward Drift Chamber In SAMURAI·························
M. Kurata-Nishimura et al.

176

Effect of stray field of the SAMURAI spectrometer on the neutron detector array WINDS···································
Y. Kubota and M. Sasano

177

Development of a silicon detector array with large dynamic range································································
M. Kurokawa et al.

178

Development of a γ-ray calorimeter for the measurement of highly excited states··············································
Y. Togano et al.

179

Development of a next-generation PSD type neutron detector, NiGIRI··························································
H. Matsuzawa et al.

180

Development of gating grid driver for SPiRIT TPC·················································································
T. Usukura et al.

181

SPYBOX: Clock Monitoring at the GET Electronics···············································································
A. Perrevoort et al.

182

Development of TPC readout system for SπRIT project············································································
T. Isobe et al.

183

Simulation study of a trigger scintillator array for the SPiRIT experiment·······················································
T. Yoshida et al.

184

SHARAQ spectrometer for high-resolution studies for RI-induced reactions···················································
S. Michimasa et al.

185

Development of dual effective gas gain multiplication in CNS Active Target for a high-intensity beam injection·········
C.S. Lee et al.

186

Development of enlarged spin-polarized proton target for RI beam experiments ···············································
S. Chebotaryov et al.

187

β-NMR measurement of unstable nuclei with cross-polarization technique·····················································
T. Kawahara et al.

188

The spin polarization of proton target in SHARAQ04 experiment································································
T.L. Tang et al.

189

Proton polarization in photo-excited aromatic molecule at room temperature enhanced by intense optical source andtemperature control················································································································
S. Sakaguchi et al.

190

Dynamic nuclear polarization with photoexcited triplet electrons in a glassy matrix···········································
K. Tateishi et al.

191

Hyperpolarization of thin films with dynamic nuclear polarization using photoexcited triplet electrons····················
K. Tateishi et al.

192

Room-temperature hyperpolarization of nuclear spins in bulk·····································································
K. Tateishi et al.

193

Development of 3He comagnetometer for 129Xe EDM measurement······························································
Y. Ichikawa et al.

194

SCRIT electron spectrometer (II)·······································································································
T. Suda et al.

195

RIKEN Accel. Prog. Rep. 47 (2014)

CONTENTS

Field measurement of SCRIT electron spectrometer················································································
T. Tamae et al.

196

Design of Recoil-Arm for the SCRIT Experiment···················································································
Y. Shimakura et al.

197

Test of new readout card for the SCRIT drift chamber··············································································
S. Matsuo et al.

198

Construction status of the Rare-RI Ring (R3)························································································
Y. Yamaguchi et al.

199

Developments of time-of-flight detectors for Rare-RI Ring········································································
Y. Abe et al.

200

Performance of a resonant Schottky pick-up for the Rare-RI Ring project·······················································
F. Suzaki et al.

201

Control system for the magnet power supplies of the Rare-RI Ring······························································
M. Komiyama et al.

202

Installation of SLOWRI-1···············································································································
M. Wada et al.

203

Performance of an ion surfing rf-carpet in high gas pressure for application in a high energy RI beam gas catcher·······
F. Arai et al.

204

A gas-cell ion cooler and buncher for SLOWRI······················································································
Y. Ito et al.

205

Conceptual design of a post accelerator for SLOWRI···············································································
S. Arai and M. Wada

206

Wide-band mass measurements with a multi-reflection time-of-flight mass spectrograph·····································
P. Schury et al.

207

Design work for PALIS system·········································································································
T. Sonoda et al.

208

Transportation of laser beams for PALIS······························································································
H. Iimura et al.

209

New laser system installation for PALIS······························································································
T. Sonoda et al.

210

PALIS laser interlock system for human and machine protection·································································
T. Sonoda et al.

211

Measurement of the hyperfine structure of 197Au atom in superfluid helium·····················································
T. Fujita et al.

212

GARIS-II commissioning #3 and #4···································································································
D. Kaji et al.

213

Study on detector response to spontaneous fission events of heavy nuclides using the 206Pb+48Ca reaction·················
M. Takeyama et al.

214

Identification of every target mounted on a rotating wheel and its application··················································
D. Kaji et al.

215

Gamma-ray inspection of rotating object······························································································
T. Kambara et al.

216

Image reconstruction algorithm for gamma-ray inspection of rotating objects··················································
H. Takeichi et al.

217

Test of the MINOS liquid H2 target at RIBF··························································································
A. Corsi et al.

218

Development of KEK isotope separation system·····················································································
Y. Hirayama et al.

219

Detection efficiency of segmented neutron detector at 200 MeV··································································
Y. Kubota et al.

220

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RIKEN Accel. Prog. Rep. 47 (2014)

Preparation status of the J-PARC E16 experiment : measurement of vector meson mass in nuclei···························
S. Yokkaichi et al.

221

Background estimation and operation test of the GEM detectors for the J-PARC E16 experiment···························
D. Kawama et al.

222

Development of the tracking detector with large GEM foils for the J-PARC E16 experiment································
Y. Komatsu et al.

223

Development of a prototype module for the lead-glass calorimeter readout and an ASIC for GEM foil trigger for
J-PARC E16 experiment··········································································································
T.N. Takahashi et al.

224

Testing a GEM tracker in a magnetic field for the J-PARC E16 experiment·····················································
W. Nakai et al.

225

Measurement of photoelectron yield in a hadron blind detector for the J-PARC E16 experiment····························
K. Kanno et al.

226

Performance of scalable readout system·······························································································
Y. Morino et al.

227

Status of silicon pixel detector for PHENIX experiment toward RHIC Run-14·················································
M. Kurosawa et al.

228

Construction of PHENIX Silicon Pixel Tracker······················································································
H. Torii et al.

229

Quality assurance test of hybrid sensors for new silicon pixel detector···························································
T. Sumita et al.

230

Development of SOI pixel sensor for environmental radiation monitor··························································
Y. Sekiguchi et al.

231

High rate capability of gas ionization chamber with flash ADC···································································
M. Sasano et al.

232

Development of MWDC readout system for the spectroscopy experiment of η' mesic nuclei at GSI and FAIR············
H. Yamakami et al.

233

Development of Trigger Circuit Forward Vertex Detector at PHENIX···························································
T. Nagashima et al.

234

Common trigger firmware for GTO····································································································
H. Baba et al.

235

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

236

CCJ operation in 2013···················································································································
Y. Ikeda et al.

237

III. RESEARCH ACTIVITIES II (Material Science and Biology)
1. Atomic and Solid State Physics (Ion)
Beta-NMR study of 58Cu in Si··········································································································
M. Mihara et al.
Observation of hyperfine resonance of 87Rb in superfluid helium toward laser spectroscopy of atoms with exotic
nuclei·································································································································
K. Imamura et al.
Search for efficient laser resonance ionization schemes for Ta and W in KISS··················································
M. Mukai et al.
Reaction-rate measurements of cold ion-polar molecule reactions using a combined Stark-velocity-filter–ion-trap
apparatus····························································································································
K. Okada et al.

239

240
241

242

Effects of 2.6-GeV uranium irradiation on (Ba,K)Fe2As2 single crystals·························································
T. Tamegai et al.

243

Site occupancies of hydrogen in Nb alloyed with oversized Ta atoms or undersized Mo atoms······························
E. Yagi et al.

244

RIKEN Accel. Prog. Rep. 47 (2014)

CONTENTS

Evaluation of single-event damages on Silicon Carbide (SiC) power MOSFETs···············································
E. Mizuta et al.

245

2. Atomic and Solid State Physics (Muon)
μSR study of the spin correlation in iron-chalcogenide superconductors Fe1–yMySe0.3Te0.7 (M = Co, Ni, Zn)···············
T. Adachi et al.

247

μSR remeasurement of La2CuO4 to reinvestigate the muon sites··································································
B. Adiperdana et al.

248

Magnetic ordering in Cu6O8TbCl Probed during the μSR measurement··························································
K. Kawashima et al.

249

Disappearance of gapped Mott insulating phase neighboring Boseglass phase in Tl1–xKxCuCl3 detected bylongitudinal-field muon spin relaxation·························································································
T. Suzuki et al.
Magnetic order in pyrochlore iridate Nd2Ir2O7 probed by employing muon spin relaxation···································
H. Guo et al.
Unconventional spin freezing in a highly two-dimensional spin-1/2 Kagome antiferromagnet Cd2Cu3(OH)6(SO4)2·4H2O:
evidences of partial order and co-existing spin singlet state on distorted Kagome lattice·······························
X.G. Zheng et al.

250
251

252

Muon spin relaxation study of spin-glass freezing in the Heusler compound Ru1.9Fe0.1CrSi···································
M. Hiroi et al.

253

μSR study of heavy fermion superconductor URu2Si2···············································································
I. Kawasaki et al.

254

Magnetic instability induced by Rh doping in the Kondo semiconductor CeRu2Al10···········································
H. Guo et al.

255

μSR study on CeRu2Al10 under pressure·······························································································
H. Guo et al.

256

Muon LCR measurements for organic magnets based on [Pd(dmit)2] metal-complex molecules·····························
M. Abdel Jawad et al.

257

Study on static and dynamic spin-crossover tripyrazolylmethane iron(II) complexes by using μSR spectroscopy·········
N. Kojima et al.

258

Na dynamics in the quasi-one-dimensional ionic conductor NaM2O4 (M=Ti and V)···········································
I. Umegaki et al.

259

Lithium-ion diffusion in novel battery materials·····················································································
J. Sugiyama et al.

260

Muon Detection of Spin-Polarized Conduction Electrons Induced by Circularly-Polarized Direct Band Excitation inn-type Si·····························································································································
H.W.K. Tom et al.

261

Response of muonium to oxygen impurities in hemoglobin and other biological aqueous solutions for application to
studies on hypoxia ·················································································································
K. Nagamine et al.

262

Development of room-temperature thermal-muonium-emitting material for ultra-slow muon production··················
S. Okada et al.

263

Precision measurement of muonium hyperfine splitting at J-PARC; development of high-rate positron detector··········
S. Kanda et al.

264

3. Radiochemistry and Nuclear Chemistry
Cross-section measurement of the 248Cm(19F,5n)262Db reaction····································································
M. Murakami et al.

265

Excitation functions for production of Nb and Ta isotopes in the (d,x) reactions on natZr and natHf up to 24 MeV·········
M. Murakami et al.

266

Production cross sections of (d,x) reactions on natural irons·······································································
M.U. Khandaker et al.

267

Deuteron activation cross sections for monitor reactions···········································································
N. Otuka et al.

268

CONTENTS

RIKEN Accel. Prog. Rep. 47 (2014)

Solvent extraction of tungsten from oxalic acid solution with Aliquat 336 toward chemical studies of seaborgium·······
N. Goto et al.

269

Solvent extraction behavior of 95gNb and 179Ta in HF medium with tributyl phosphate·········································
S. Tsuto et al.

270

Extraction behavior of Nb and Ta with Aliquat 336 in HF solutions······························································
D. Sato et al.

271

Online coprecipitation experiment of 85Zr and 169Hf with Sm hydroxide for chemical study of Rf···························
Y. Kasamatsu et al.

272

Adsorption behavior of Zr and Hf to TTA-resin in microcolumn for determining the forming ability of Rf
monofluoride complex·············································································································
A. Yokoyama et al.

273

Coprecipitation experiment of various elements with Sm hydroxide using multitracer········································
Y. Kasamatsu et al.

274

Development of rapid solvent extraction technique with flow injection analysis for superheavy element chemistry······
T. Koyama et al.

275

Production of 179mW in the form of a carbonyl complex·············································································
M. Huang et al.

276

Recovery of 248Cm material from mixed Cm/Gd target·············································································
M. Murakami and H. Haba

277

Method for preparing ultra-thin sources for low-energy particle spectrometry··················································
H. Kikunaga et al.

278

Production of purified 85Sr solution····································································································
S. Yano et al.

279

4. Radiation Chemistry and Biology
Linear-energy-transfer dependence of polymer gel dosimeters under carbon beam irradiation·······························
T. Maeyama et al.

281

Observation of unrepairable lesions at DNA by using 3-MeV proton microbeams produced by glass capillaries··········
T. Ikeda et al.

282

Effects of trichostatin A on radiosensitivity to high-linear energy transger (LET) radiation in mammalian cells withdefects in DNA repair proteins···································································································
M. Izumi and T. Abe

283

Cell-killing effect of low doses of high-LET heavy-ions (VI)······································································
M. Tomita et al.

284

Development of the mutant isolation system in fruit flies···········································································
K. Tsuneizumi and T. Abe

285

Detection of deletions induced by Fe-ion irradiation in Arabidopsis thaliana using array comparative genomic
hybridization························································································································
Y. Kazama et al.
Exome resequencing reveals mutations in rice induced by heavy-ion beam with LETmax····································
R. Morita et al.
mPingSCAR marker, a powerful tool for genetic analysis of agricultural traits in rice mutants induced using
ion-beam irradiation···············································································································
H. Saito et al.

286
287

288

Identification of mutated sites induced by Ar-ion-beam irradiation in rice·······················································
S. Kogure et al.

289

Relationship between gene expression level and LET immediately after heavy-ion beam irradiation in rice···············
K. Ishii et al.

290

Isolation of early-heading mutants induced by heavy-ion radiation in an Indonesian native rice cultivar···················
T. Sato et al.

291

The wheat plastochron mutant, fushi-darake, produced by heavy-ion beam mutagenesis·····································
K. Murai et al.

292

RIKEN Accel. Prog. Rep. 47 (2014)

CONTENTS

Constructing S-locus deletion mutant in common buckwheat by using heavy-ion-beam irradiation·························
M. Ueno et al.

293

DNA marker analysis revealed that the deletion is relatively small in loss-of-apomixis mutants·····························
M. Takahara et al.

294

Effect of C-ion beam irradiation on survival rates and flower color mutations in statice (Limonium sinuatum Mill.)·····
D. Ogawa et al.

295

Flower color mutants of chrysanthemum obtaioned using C-ion beam irradiation··············································
K. Tamaki et al.

296

Effects of heavy-ion-beam irradiation on flower-color mutation in chrysanthemum············································Y. Tanokashira et al.

297

Effect of heavy-ion beam irradiation on seeds reduction of ‘Konta’ kumquat fruit·············································
K. Tomura et al.

298

Rapid evaluation of mutational effects resulting from heavy-ion irradiation of Undaria pinnatifida·························
T. Hirano et al.

299

Effects of heavy-ion beam irradiation on sporophyte survival and growth in Undaria pinnatifida···························
Y. Sato et al.

300

Mutation rates of Parachlorella kessileri by heavy-ion-beam irradiation and classification of their genomic deletion
types··································································································································
T. Yamazaki et al.

301

IV. OPERATION RECORDS
Program Advisory Committee meetings for nuclear physics and for material and life science································
K. Yoneda et al.

303

Beam-time statistics of RIBF experiments····························································································
K. Yoneda et al.

304

Fee-based distribution of radioisotopes································································································
T. Kambara et al.

305

Electric power condition of Wako campus in 2013··················································································
E. Ikezawa et al.

306

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

307

RILAC operation·························································································································
E. Ikezawa et al.

309

Radiation monitoring in the RIBF using ionization chambers·····································································
M. Nakamura et al.

310

Operations of RIBF ring cyclotrons (RRC, fRC, IRC, and SRC)··································································
R. Koyama et al.

311

Operation of the superconducting ring cyclotron cryogenic system·······························································
H. Okuno et al.

312

Present status of the BigRIPS cryogenic plant························································································
K. Kusaka et al.

313

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

314

V. EVENTS
The 7th Nishina School···················································································································
T. Kishida315

VI. ORGANIZATION AND ACTIVITIES OF RIKEN NISHINA CENTER (Activities and Members)
Organization·······························································································································

317

Finances····································································································································

318

Staffing·····································································································································

319

Management·······························································································································319

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CONTENTSInternational Collaboration··············································································································

325

Theoretical Research Division
Quantum Hadron Physics Laboratory···························································································

328

Theoretical Nuclear Physics Laboratory························································································

332

Strangeness nuclear physics Laboratory························································································

335

Mathematical Physics Laboratory·······························································································

337

Sub Nuclear System Research Division
Radiation Laboratory··············································································································

340

Advanced Meson Science Laboratory···························································································345

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

352

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

353

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

355

Experimental Group·········································································································357

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

361

RIBF Research Division
Radioactive Isotope Physics Laboratory························································································

363

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

368

Nuclear Spectroscopy Laboratory·······························································································

372

High Energy Astrophysics Laboratory··························································································

374

Astro-Glaciology Research Unit·································································································

376

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

378

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

380

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

381

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

382

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

383

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

384

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

385

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

386

Beam Dynamics and Diagnostics Team··················································································

387

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

388

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

389

Instrumentations Development Group··························································································390

SLOWRI Team··············································································································

391

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

394

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

396

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

398

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

399

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

401

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

402

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

404

Accelerator Applications Research Group······················································································

405

Radiation Biology Team····································································································406

RI Applications Team·······································································································

409

RIKEN Accel. Prog. Rep. 47 (2014)

CONTENTS

User Liaison and Industrial Cooperation Group···············································································

412

User Support Office·········································································································

413

Industrial Cooperation Office······························································································

414

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

415

Partner Institution·························································································································

417

CNS··································································································································

418

Niigata University··················································································································

421

KEK··································································································································

423

Events (April 2013 - March 2014)·····································································································

425

Awards (April 2013 - March 2014)····································································································

426

Press Releases (April 2013 - March 2014)····························································································

427

VII. LIST OF PUBLICATIONS & PRESENTATIONS·········································································

429

VIII. LIST OF PREPRINTS··············································································································

537

IX. LIST OF SYMPOSIA & WORKSHOPS························································································

541

X. LIST OF SEMINARS···················································································································

543

AUTHOR INDEX ···························································································································

553