NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = A.Osa Found 89 matches. 2015SU09 Phys.Rev. C 92, 024309 (2015) M.Sugawara, T.Hayakawa, M.Oshima, Y.Toh, A.Osa, M.Matsuda, T.Shizuma, Y.Hatsukawa, H.Kusakari, T.Morikawa, Z.G.Gan, T.Czosnyka Lifetime measurement for the possible antimagnetic rotation band in 101Pd NUCLEAR REACTIONS 68Zn(37Cl, 3np), E=125 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by Doppler broadened line shape method using GEMINI array at JAEA accelerator facility. 101Pd; deduced high-spin levels, B(E2) for transitions in νh11/2 band, moment of inertia plot, configuration, possible antimagnetic rotational band. Comparison with semiclassical particle-rotor model calculations, and with systematics of B(E2) values for bands in 100,102,104Pd, 106,108,110Cd.
doi: 10.1103/PhysRevC.92.024309
2014HA38 Nucl.Instrum.Methods Phys.Res. A747, 41 (2014) H.Hayashi, M.Shibata, M.Asai, A.Osa, T.K.Sato, M.Koizumi, A.Kimura, M.Oshima Performance of a total absorption clover detector for Qβ measurements of neutron-rich nuclei far from the β-stability line RADIOACTIVITY 160,161,162,163,164,165,166Eu, 163,165Gd(β-); measured decay products, Eβ, Iβ, Eγ, Iγ; deduced T1/2 and their uncertainties. Comparison with available data.
doi: 10.1016/j.nima.2014.02.012
2014LI21 Phys.Rev. C 89, 054303 (2014) G.S.Li, M.L.Liu, X.H.Zhou, Y.H.Zhang, Y.X.Liu, N.T.Zhang, W.Hua, Y.Zheng, Y.D.Fang, S.Guo, J.G.Wang, Y.H.Qiang, B.Ding, L.Ma, M.Oshima, Y.Toh, M.Koizumi, A.Osa, Y.Hatsukawa, M.Sugawara In-beam γ spectroscopy of the even-even nucleus 190Pt NUCLEAR REACTIONS 176Yb(18O, 4n), E=88 MeV; measured Eγ, Iγ, γγ-coin. γ(θ)(ADO ratio) using GEMINI array at JAEA facility. 190Pt; deduced high-spin levels, J, π, configurations, multipolarity, bands; calculated total Routhian surfaces (TRS). Systematics of Eγ-over spin (E-GOS) plots for 190,192,194Hg, 188,190,192Pt, 186,188,190Os, 184,186,188W. Comparison with level structures in 191Pt and 192Hg.
doi: 10.1103/PhysRevC.89.054303
2013HE08 Phys.Rev. C 87, 034320 (2013), Erratum Phys.Rev. C 102, 029903 (2020) C.He, S.Shen, S.Wen, L.Zhu, X.Wu, G.Li, Y.Zhao, Y.Yan, Z.Bai, Y.Wu, Y.Li, G.Li, S.Yan, M.Oshima, Y.Toh, A.Osa, M.Koizumi, Y.Hatsukawa, M.Matsuda, T.Hagakawa Signature splitting inversion and backbending in 80Rb NUCLEAR REACTIONS 65Cu(19F, 3np), E=75 MeV; 66Zn(18O, 3np), E=76 MeV; 68Zn(16O, 3np), E=80 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) at CIAE and JAERI facilities. 80Rb; deduced high-spin levels, J, π, bands, alignments, signature splitting and inversion. Comparison with structures of 78Rb and 82Y nuclei. Calculated total Routhian surface (TRS) plots. Projected shell-model calculations.
doi: 10.1103/PhysRevC.87.034320
2013SU15 Phys.Rev. C 87, 064319 (2013) M.Sugawara, T.Hayakawa, M.Oshima, Y.Toh, A.Osa, M.Matsuda, T.Shizuma, Y.Hatsukawa, H.Kusakari, T.Morikawa, Z.G.Gan, T.Czosnyka Possible band termination in 99Rh NUCLEAR REACTIONS 68Zn(37Cl, 2nα), E=125 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO) using GEMINI array at JAEA facility. 99Rh; deduced high-spin levels, J, π, bands, multipolarity, B(M1)/B(E2), configurations, alignments, E-GOS curves, possible band termination. 68Zn, 101,102Ag, 100,101,102Pd; observed prompt γ rays. Comparison with band structures of neighboring nuclides of 101,103Rh, 98,99,100Ru, 95,96,97Tc.
doi: 10.1103/PhysRevC.87.064319
2012GU14 Phys.Rev. C 86, 014323 (2012) S.Guo, Y.H.Zhang, X.H.Zhou, M.L.Liu, Y.X.Guo, Y.H.Qiang, Y.D.Fang, X.G.Lei, F.Ma, M.Oshima, Y.Toh, M.Koizumi, A.Osa, A.Kimura, Y.Hatsukawa, M.Sugawara, H.Kusakari High-spin states in odd-odd 174Re NUCLEAR REACTIONS 152Sm(27Al, 5n)174Re, E=125, 132, 140 MeV; measured Eγ, Iγ, excitation functions, branching ratios, γγ-, (x ray)γ-coin, DCO and ADO ratios; 174Re; deduced high-spin levels, rotational bands, J, π, moment of inertia plots, alignments, signature splittings, B(M1)/B(E2), configurations. Systematics of bandhead energies for Z=75 and N=99 isotopes of 171,173,175,177,179,181,183Re, 169Yb, 171Hf, 173W, 175Os, 177Pt. Systematics of alignments and signature splittings for bands in 172,173W, 173,174Re. Comparison with shell-model and band-mixing calculations.
doi: 10.1103/PhysRevC.86.014323
2012HI03 Eur.Phys.J. A 48, 54 (2012) Y.Hirayama, M.Mihara, Y.X.Watanabe, S.C.Jeong, H.Miyatake, S.Momota, T.Hashimoto, N.Imai, K.Matsuta, H.Ishiyama, S.Ichikawa, T.Ishii, T.Izumikawa, I.Katayama, H.Kawakami, H.Kawamura, I.Nishinaka, K.Nishio, H.Makii, S.Mitsuoka, A.Osa, Y.Otokawa, T.K.Sato Tilted-foil technique for producing a spin-polarized radioactive isotope beam
doi: 10.1140/epja/i2012-12054-1
2012LI08 Chin.Phys.Lett. 29, 022102 (2012) S.-C.LI, Y.Shi, Y.-H.Zhang, X.-H.Zhou, F.-R.Xu, Y.-D.Fang, M.-L.Liu, B.Ding, S.Guo, G.-S.Li, H.-B.Zhou, M.Oshima, Y.Toh, M.Koizumi, A.Osa, A.Kimura, Y.Hatsukawa, H.Hayakawa, T.Shizuma, J.Katakura, M.Matsuda, T.Morikawa, M.Sugawara, H.Kusakari Identification of a New Four-Quasiparticle State in Odd-Odd 186Au NUCLEAR REACTIONS 172Yb(19F, 5nγ)186Au, E=104 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced high-spin structure, level energies, J, π, isomeric states. Comparison with systematics, cranked shell model and total Routhian calculations.
doi: 10.1088/0256-307X/29/2/022102
2012SU18 Phys.Rev. C 86, 034326 (2012) M.Sugawara, T.Hayakawa, M.Oshima, Y.Toh, A.Osa, M.Matsuda, T.Shizuma, Y.Hatsukawa, H.Kusakari, T.Morikawa, Z.G.Gan, T.Czosnyka Possible antimagnetic rotational band and neutron alignment in 101Pd NUCLEAR REACTIONS 68Zn(37Cl, 3np), E=125 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO) using GEMINI array at JAEA facility. 101Pd; deduced levels, J, π, bands, multipolarity, B(M1)/B(E2) and B(E1)/B(E2) ratios, alignments, configurations, anti-magnetic rotational (AMR) band. 100Pd; measured Eγ; deduced alignment, configuration for a band. Comparison with particle-rotor model calculations. Systematics of alignments and band configurations in 105,106,108,109Cd nuclei.
doi: 10.1103/PhysRevC.86.034326
2011HI15 Eur.Phys.J. A 47, 138 (2011) Y.Hirayama, M.Mihara, Y.X.Watanabe, S.C.Jeong, N.Imai, K.Matsuta, H.Miyatake, T.Hashimoto, H.Ishiyama, S.Ichikawa, T.Ishii, T.Izumikawa, I.Katayama, H.Kawakami, I.Nishinaka, K.Nishio, H.Makii, S.Mitsuoka, S.Momota, A.Osa, Y.Otokawa, T.K.Sato, Y.Wakabayashi Spin-polarization of radioactive 123Ing.s. by the tilted-foil method RADIOACTIVITY 123In(β-)[from U(p, F), E=34 MeV]; measured Iβ(θ, t), β polarization using tilted multifoils at ISOL-based facility TRIAC and β-NMR technique; deduced asymmetry.
doi: 10.1140/epja/i2011-11138-8
2011LI19 Chin.Phys.C 35, 441 (2011) G.-S.Li, X.-H.Zhou, Y.-H.Zhang, H.-B.Zhou, W.Hua, S.-T.Wang, B.Ding, H.-X.Wang, M.Oshima, Y.Toh, M.Koizumi, A.Osa, Y.Hatsukawa, M.Sugawara Properties of the ν7/2-[503](f7/2) band in 185Pt NUCLEAR REACTIONS 173Yb(16O, 4n)185Pt, E=90 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced high-spin states energies, J, π, B(M1)/B(E2). Comparison with Nilsson model calculations.
doi: 10.1088/1674-1137/35/5/006
2011LI35 J.Phys.(London) G38, 095105 (2011) G.S.Li, X.H.Zhou, Y.H.Zhang, Y.Zheng, M.L.Liu, W.Hua, H.B.Zhou, B.Ding, H.X.Wang, X.G.Lei, S.Q.Zhang, Y.Shi, J.Meng, F.R.Xu, M.Oshima, Y.Toh, M.Koizumi, A.Osa, Y.Hatsukawa, M.Sugawara Signature inversion in the 7/2-[503] band of 185Pt NUCLEAR REACTIONS 173Yb(16O, 4n), E=90 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced level scheme, J, π, intra-band B(M1)/B(E2) ratios. Comparison with theoretical values from the semi-classical Donau and Frauendorf approach.
doi: 10.1088/0954-3899/38/9/095105
2011WR02 Int.J.Mod.Phys. E20, 443 (2011) K.Wrzosek-Lipska, M.Zielinska, K.Hadynska-Klek, Y.Hatsukawa, J.Iwanicki, J.Katakura, M.Kisielinski, M.Koizumi, M.Kowalczyk, H.Kusakari, M.Matsuda, T.Morikawa, P.J.Napiorkowski, A.Osa, M.Oshima, D.Pietak, L.Prochniak, T.Shizuma, J.Srebrny, M.Sugawara, Y.Toh Shape evolution in heaviest stable even-even molybdenum isotopes studied via Coulomb excitation NUCLEAR STRUCTURE 96,98,100Mo; analyzed available data using quadrupole sum rule formalism; deduced electromagnetic reduced matrix elements using GOSIA code. Comparison with microscopic calculations.
doi: 10.1142/S0218301311017831
2011ZH35 Eur.Phys.J. A 47, 107 (2011) H.B.Zhou, X.H.Zhou, Y.H.Zhang, Y.Zheng, M.L.Liu, N.T.Zhang, L.Chen, S.T.Wang, G.S.Li, H.X.Wang, B.Ding, X.G.Lei, Y.X.Guo, G.X.Dong, F.R.Xu, M.Oshima, Y.Toh, M.Koizumi, A.Osa, Y.Hatsukawa High-j proton alignments in 101Pd NUCLEAR REACTIONS 76Ge(28Si, 3n), E=85, 95 MeV; measured in-beam Eγ, Iγ(θ), γγ-coin. 101Pd deduced levels, J, π, quasiparticle alignments, Routhians for yrast band, positive-parity band. 102Pd deduced quasiparticle alignments, Routhians for yrast band; calculated Routhian surfaces. Comparison with 99Ru, 103Cd.
doi: 10.1140/epja/i2011-11107-3
2010SU05 Phys.Rev. C 81, 024309 (2010) M.Sugawara, Y.Toh, M.Oshima, M.Koizumi, A.Kimura, A.Osa, Y.Hatsukawa, H.Kusakari, J.Goto, M.Honma, M.Hasegawa, K.Kaneko Medium-spin states in 70Ge and the role of the g9/2 orbital NUCLEAR REACTIONS 60Ni(12C, 2p), E=45 MeV; measured Eγ, Iγ, γγ-coin, and γ(θ). 70Ge; deduced levels, J, π, multipolarity, and bands. Comparison with shell model calculations using G-matrix and EPQQM interactions, and with structures of 66,68Ge.
doi: 10.1103/PhysRevC.81.024309
2010ZH40 Chin.Phys.C 34, 1598 (2010) H.-B.Zhou, X.-H.Zhou, Y.-H.Zhang, M.Oshima, Y.Toh, M.Koizumi, A.Osa, Y.Hatsukawa Structure evolution along the yrast-line in 101Pd NUCLEAR REACTIONS 76Ge(28Si, 3nγ)101Pd, E not given; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced high-spin states, yrast bands, J, π, level scheme.
doi: 10.1088/1674-1137/34/10/009
2009HA11 Phys.Lett. B 674, 276 (2009) T.Hashimoto, H.Ishiyama, Y.X.Watanabe, Y.Hirayama, N.Imai, H.Miyatake, S.C.Jeong, M.-H.Tanaka, N.Yoshikawa, T.Nomura, S.Mitsuoka, K.Nishio, T.K.Sato, A.Osa, S.Ichikawa, M.Matsuda, H.Ikezoe, S.K.Das, Y.Mizoi, T.Fukuda, A.Sato, T.Shimoda, K.Otsuki, T.Kajino A new measurement of the astrophysical 8Li(d, t)7Li reaction NUCLEAR REACTIONS 2H(8Li, t), E=0.18, 0.24, 0.30, 0.40, 0.46, 0.60, 0.75 MeV/nucleon; measured charged-particle spectra, σ, σ(θ), σ(E); deduced 7Li excitation energy spectra, astrophysical reaction rate. Comparison with other data.
doi: 10.1016/j.physletb.2009.03.031
2009HU17 Chin.Phys.C 33, 743 (2009) W.Hua, X.-H.Zhou, Y.-H.Zhang, Y.-X.Guo, M.Oshima, Y.Toh, M.Koizumi, A.Osa, Y.Hatsukawa, B.Qi, S.-Q.Zhang, J.Meng, M.Sugawara Study of the νi-113/2 band in 189Pt NUCLEAR REACTIONS 176Yb(18O, 5n), E=88, 95 MeV; measured Eγ, Iγ, γγ-coin.; deduced level energies, J, π, bands, deformation. Triaxial particle-rotor model.
doi: 10.1088/1674-1137/33/9/006
2009SU09 Phys.Rev. C 79, 064321 (2009) M.Sugawara, Y.Toh, M.Oshima, M.Koizumi, A.Osa, A.Kimura, Y.Hatsukawa, J.Goto, H.Kusakari, T.Morikawa, Y.H.Zhang, X.H.Zhou, Y.X.Guo, M.L.Liu Possible magnetic and antimagnetic rotations in 144Dy NUCLEAR REACTIONS 92Mo(56Fe, 2n2p), E=280 MeV; measured Eγ, Iγ, γγ-coin, γ(θ). 144Dy; deduced levels, J, π, multipolarity, B(M1), B(E2), configurations, magnetic and antimagnetic rotational bands. A=136-146, even-A Ce, Nd, Sm, Gd, Tb, Dy; level systematics. 110Cd, 144Dy; discussed comparison of magnetic and antimagnetic rotors.
doi: 10.1103/PhysRevC.79.064321
2008LI18 Chin.Phys.Lett. 25, 1633 (2008) Y.Liu, X.-H.Zhou, Y.-H.Zhang, Y.Zheng, M.-L.Liu, Y.-X.Guo, M.Oshima, Y.Toh, M.Koizumi, A.Osa, Y.Hatsukawa, Y.Sun Prolate and Oblate Shape Coexistence in 188Pt NUCLEAR REACTIONS 176Yb(18O, 6n), E=88, 95 MeV; measured Eγ, Iγ, γγ-coin. 188Pt; deduced levels, J, π. Compared results to model calculations.
doi: 10.1088/0256-307X/25/5/030
2008MA58 Chin.Phys.C 32, 31 (2008) L.Ma, X.-H.Zhou, M.Oshima, Y.Toh, Y.-H.Zhang, Y.-X.Guo, X.-G.Lei, M.Koizumi, A.Osa, T.Hayakawa, Y.Hatsukawa, T.Shizuma, M.Sugawara High-spin states in 190Pt NUCLEAR REACTIONS 176Yb(18O, 4n), E=88, 95 MeV; measured Eγ, Iγ, γγ-coin, DCO. 190Pt; deduced levels, J, π, bands, configurations.
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2008MO16 J.Korean Phys.Soc. 53, 1844 (2008) C.-B.Moon, C.S.Lee, M.Oshima, Y.Toh, J.Goto, Y.Hatsukawa, A.Kimura, M.Koizumi, A.Osa, T.Komatsubara, K.Miyakawa Multi-Quasiparticle States in Odd-Odd 118I NUCLEAR REACTIONS 110Cd(12C, 3np), E=80 MeV; measured Eγ, Iγ, γγ-coin. 118I; deduced levels, J, π.
doi: 10.3938/jkps.53.1844
2008OS02 Nucl.Instrum.Methods Phys.Res. B266, 4394 (2008) A.Osa, S.-i.Ichikawa, M.Matsuda, T.K.Sato, S.-C.Jeong Ion source development for the on-line isotope separator at JAEA NUCLEAR REACTIONS 238U(p, F)163Eu/164Eu/165Eu/166Eu, E=36 MeV; measured separation yields, Eγ, Iγ; deduced T1/2. A forced electron beam induced arc discharge (FEBIAD-B2) type ion source.
doi: 10.1016/j.nimb.2008.05.063
2007HA57 Eur.Phys.J. A 34, 363 (2007) H.Hayashi, Y.Akita, O.Suematsu, M.Shibata, M.Asai, T.K.Sato, S.Ichikawa, I.Nishinaka, Y.Nagame, A.Osa, K.Tsukada, T.Ishii, Y.Kojima, A.Taniguchi Qβ measurements of 158, 159Pm, 159, 161Sm, 160-165Eu, 163Gd and 166Tb using a total absorption BGO detector RADIOACTIVITY 158,159Pm, 159,161Sm, 160,161,162,163,164,165Eu, 163Gd, 166Tb(β-) [from 238U(p, F), E=24 MeV and subsequent decay]; measured Eγ, Iγ, Eβ, Iβ; deduced Qβ, mass excess and two-neutron separation energies. Mass separator.
doi: 10.1140/epja/i2006-10522-9
2007XI05 High Energy Phys. and Nucl.Phys. (China) 31, 247 (2007) Y.-B.Xing, X.-H.Zhou, Y.-H.Zhang, M.Oshima, Y.Toh, M.Koizumi, A.Osa, Y.Hatsukawa, M.Sugawara Quasiparticle Nature of Rotational Bands in 187Pt
2007ZH09 Phys.Rev. C 75, 034314 (2007) X.H.Zhou, Y.B.Xing, M.L.Liu, Y.H.Zhang, Y.X.Guo, L.Ma, X.G.Lei, W.T.Guo, M.Oshima, Y.Toh, M.Koizumi, A.Osa, Y.Hatsukawa, F.R.Xu, M.Sugawara Band properties of the transitional nucleus 187Pt NUCLEAR REACTIONS 173Yb(18O, 4n), E=78, 85 MeV; measured Eγ, Iγ, γγ-coin. 187Pt deduced high-spin levels, J, π, configurations, B(M1)/B(E2). Comparison with model predictions.
doi: 10.1103/PhysRevC.75.034314
2007ZH21 Chin.Phys.Lett. 24, 1203 (2007) Y-H.Zhang, S.Guo, X.-H.Zhou, L.Ma, W.T.Guo, M.Oshima, Y.Toh, M.Koizumi, A.Osa, A.Kimura, Y.Hatsukawa, M.Sugawara, H.Kusakari Identification of a New Band and Its Signature Inversion in 174Re NUCLEAR REACTIONS 152Sm(27Al, 5n), E=140 MeV; measured Eγ, Iγ, γγ-coin. 174Re deduced high-spin levels, J, π, identified new rotational band.
doi: 10.1088/0256-307X/24/5/021
2006FA11 High Energy Phys. and Nucl.Phys. (China) 30, 99 (2006) Y.-D.Fang, Y.-H.Zhang, M.Oshima, Y.Toh, X.-H.Zhou, M.Koizumi, A.Osa, A.Kimura, Y.Hatsukawa, T.Morikawa, M.Nakamura, M.Sugawara, H.Kusakari Study of Quasiparticles Bands in Odd-Odd 188Au
2006KO19 Nucl.Instrum.Methods Phys.Res. A562, 767 (2006) M.Koizumi, A.Osa, Y.Toh, A.Kimura, M.Mizumoto, M.Oshima, M.Igashira, T.Ohsaki, H.Harada, K.Furutaka, H.Sakane, J.Hori, J.Goto, M.Sugawara, Y.Nagai, K.Kawade Minor actinide neutron capture cross-section measurements with a 4π Ge spectrometer
doi: 10.1016/j.nima.2006.02.051
2006MA39 Chin.Phys.Lett. 23, 1727 (2006) L.Ma, Z-H.Zhou, Ye.-B.Xing, Yu.-Hu.Zhang, Y.-X.Guo, X.-G.Lei, C.-Y.Xie, M.Oshima, Y.Toh, M.Koizumi, A.Osa, Y.Hatsukawa, M.Sugawara Properties of the πh9/2 (X) νi13/2 Oblate Band in 188Tl NUCLEAR REACTIONS 157Gd(35Cl, 4n), E=170 MeV; measured Eγ, Iγ, γγ-coin. 188Tl deduced high-spin levels, J, π, configurations, B(M1)/B(E2).
doi: 10.1088/0256-307X/23/7/020
2006WR01 Int.J.Mod.Phys. E15, 374 (2006) K.Wrzosek, M.Zielinska, J.Choinski, T.Czosnyka, Y.Hatsukawa, J.Iwanicki, J.Katakura, M.Kisielinski, M.Koizumi, M.Kowalczyk, H.Kusakari, M.Matsuda, T.Morikawa, P.Napiorkowski, A.Osa, M.Oshima, L.Reissig, T.Shizuma, J.Srebrny, M.Sugawara, Y.Toh, Y.Utsuno, K.Zajac Search for shape coexistence in even-even stable molybdenum isotopes using Coulomb excitation method NUCLEAR REACTIONS 96,98,100Mo(20Ne, 20Ne'), E=50 MeV; 96,98,100Mo(40Ar, 40Ar'), E=90 MeV; 96Mo(84Kr, 84Kr'), E=225 MeV; 96Mo(136Xe, 136Xe'), E=614 MeV; Pb(96Mo, 96Mo'), E=424 MeV; measured Eγ, Iγ, (particle)γ-coin following Coulomb excitation. 96,98,100Mo deduced levels, J, π, quadrupole moments, shape coexistence features.
doi: 10.1142/S0218301306004235
2006ZH22 Eur.Phys.J. A 28, 271 (2006) X.H.Zhou, L.Ma, Y.B.Xing, Y.H.Zhang, Y.X.Guo, X.G.Lei, C.Y.Xie, M.Oshima, Y.Toh, M.Koizumi, A.Osa, Y.Hatsukawa, M.Sugawara, M.M.Ndontchueng Observation of a πh9/2 (X) νi13/2 oblate band in 188Tl NUCLEAR REACTIONS 157Gd(35Cl, 4n), E=170 MeV; measured Eγ, Iγ(θ), γγ-coin. 188Tl deduced levels, J, π, configurations, B(M1)/B(E2), configurations, oblate rotational band. Gemini array.
doi: 10.1140/epja/i2006-10060-6
2006ZH38 Int.J.Mod.Phys. E15, 1437 (2006) Y.H.Zhang, X.H.Zhou, J.J.He, Z.Liu, Y.D.Fang W.T.Guo, X.G.Lei, Y.X.Guo, M.M.Ndontchueng, L.Ma, M.Oshima, Y.Toh, M.Koizumi, A.Osa, A.Kimura, Y.Hatsukawa, H.Hayakawa, T.Shizuma, J.Katakura, M.Matsuda, G.De Angelis, N.Marginean, A.Gadea, D.R.Napoli, M.Axiotis, C.Rusu, T.Martinez, T.Morikawa, M.Sugawara, H.Kusakari, F.R.Xu Search for signature inversion in the πi13/2 (X) νi13/2 bands in 182, 184, 186Au NUCLEAR REACTIONS 152Sm(35Cl, 5n), E=183 MeV; 172Yb(19F, 5n), E=104 MeV; 159Tb(29Si, 4n), E=140 MeV; measured Eγ, Iγ, γγ-coin. 182,184,186Au deduced high-spin levels, J, π, configurations, signature inversion.
doi: 10.1142/S0218301306005125
2006ZH52 High Energy Phys. and Nucl.Phys. (China), Supplement 2, 30, 208 (2006) Y.-H.Zhang, X.-H.Zhou, J.-J.He, Z.Liu, Y.-D.Fang, W.-T.Guo, X.-G.Lei, Y.-X.Guo, L.Ma, M.M.Ndontchueng, M.Oshima, Y.Toh, M.Koizumi, A.Osa, A.Kimura, Y.Hatsukawa, H.Hayakawa, T.Shizuma, J.Katakura, M.Matsuda, T.Morikawa, M.Sugawara, H.Kusakari, G.De Angelis, N.Marginean, A.Gadea, D.R.Napoli, M.Axiotis, C.Rusu, T.Martinez, F.R.Xu Search for Signature Inversion in the πi13/2(X)νi13/2 Bands in 182, 184, 186Au
2005AS05 Phys.Rev.Lett. 95, 102502 (2005) M.Asai, K.Tsukada, M.Sakama, S.Ichikawa, T.Ishii, Y.Nagame, I.Nishinaka, K.Akiyama, A.Osa, Y.Oura, K.Sueki, M.Shibata Experimental Identification of Spin-Parities and Single-Particle Configurations in 257No and Its α-Decay Daughter 253Fm RADIOACTIVITY 257No(α) [from 248Cm(13C, 4n)]; measured Eγ, Eα, E(ce), αγ-, (ce)α-coin; deduced branching ratios. 253Fm deduced levels, J, π, ICC, configurations. 257No deduced ground-state J, π, configuration.
doi: 10.1103/PhysRevLett.95.102502
2005II01 Eur.Phys.J. A 23, 33 (2005) H.Iimura, M.Asai, S.Ichikawa, J.Katakura, M.Magara, A.Osa, M.Oshima, N.Shinohara, H.Yamamoto Levels in 127La fed by the 127Ce beta-decay RADIOACTIVITY 127Ce(β+), (EC) [from Mo(35Cl, xnp)]; measured Eγ, Iγ, E(ce), I(ce), βγ-, γγ-coin, T1/2. 127La deduced levels, J, π, T1/2, configurations. Comparison with Nilsson model predictions.
doi: 10.1140/epja/i2004-10067-y
2005ZH32 Chin.Phys.Lett. 22, 2788 (2005) Y.-H.Zhang, S.Guo, X.-H.Zhou, L.Ma, M.Oshima, Y.Toh, M.Koizumi, A.Osa, A.Kimura, Y.Hatsukawa, M.Sugawara, H.Kusakari Observation of High-j Two-Quasiparticle Bands in Odd-Odd 174Re NUCLEAR REACTIONS 152Sm(27Al, 5n), E=125, 132, 140 MeV; measured Eγ, Iγ, γγ-coin; deduced excitation functions. 174Re deduced high-spin levels, J, π, configurations, signature inversion. Level systematics in neighboring nuclides discussed.
doi: 10.1088/0256-307X/22/11/017
2005ZI02 Acta Phys.Pol. B36, 1289 (2005) M.Zielinska, T.Czosnyka, K.Wrzosek, J.Choinski, Y.Hatsukawa, J.Iwanicki, M.Koizumi, H.Kusakari, M.Matsuda, T.Morikawa, P.J.Napiorkowski, A.Osa, M.Oshima, T.Shizuma, J.Srebrny, M.Sugawara, K.Zajac Shape coexistence in even-even Mo isotopes studied via Coulomb excitation NUCLEAR REACTIONS 96Mo(20Ne, 20Ne'), (40Ar, 40Ar'), E=2.5 MeV/nucleon; Pb(96Mo, 96Mo'), E=424 MeV; measured Eγ, Iγ, (particle)γ-coin following Coulomb excitation. 96Mo deduced transitions.
2004KO03 Nucl.Phys. A730, 46 (2004) M.Koizumi, A.Seki, Y.Toh, A.Osa, Y.Utsuno, A.Kimura, M.Oshima, T.Hayakawa, Y.Hatsukawa, J.Katakura, M.Matsuda, T.Shizuma, T.Czosnyka, M.Sugawara, T.Morikawa, H.Kusakari Multiple Coulomb excitation experiment of 68Zn NUCLEAR REACTIONS Pb(68Zn, 68Zn'), E=276 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 68Zn deduced transitions B(E2), B(M1), quadrupole moment.
doi: 10.1016/j.nuclphysa.2003.10.010
2004SO08 Phys.Rev. C 69, 037302 (2004) L.T.Song, X.H.Zhou, Y.H.Zhang, Y.X.Guo, X.G.Lei, Z.Y.Sun, M.Oshima, T.Toh, A.Osa, M.Koizumi, J.Katakura, Y.Hatsukawa, M.Matsuda, M.Sugawara Rotational band built on the 1/2[600](i13/2) configuration in 179Au NUCLEAR REACTIONS 149Sm(35Cl, 5n), E=164-180 MeV; measured Eγ, Iγ, γγ-coin. 179Au deduced levels, J, π, configuration, rotational band. Level systematics in neighboring isotopes discussed.
doi: 10.1103/PhysRevC.69.037302
2004SO20 Chin.Phys.Lett. 21, 1243 (2004) L.-T.Song, X.-H.Zhou, Y.-H.Zhang, Y.-X.Guo, Z.-Y.Sun, M.Oshima, T.Toh, A.Osa, M.Koizumi, J.Katakura, Y.Hatsukawa, M.Matsuda, M.Sugawara Systematic Properties of the 1/2[660]i13/2 Bands in Odd-A Au Nuclei NUCLEAR REACTIONS 149Sm(35Cl, 5n), E=164-180 MeV; measured Eγ, Iγ, γγ-coin. 179Au deduced high-spin levels, J, π, configurations. NUCLEAR STRUCTURE 177,179,181,183,185Au; analyzed rotational bands.
doi: 10.1088/0256-307X/21/7/016
2004SO37 High Energy Phys. and Nucl.Phys. (China) 28, 148 (2004) L.-T.Song, X.-H.Zhou, Y.-X.Guo, Z.-Y.Sun, M.Oshima, T.Toh, A.Osa, M.Koizumi, J.Katakura, Y.Hatsukawa, M.Matsuda, M.Sugawara Study of 1/2(660)(πi13/2) Rotation Band in 179Au
2004SU31 J.Nucl.Sci.Technol.(Tokyo) 41, 1129 (2004) M.Sugawara, J.Goto, M.Oshima, H.Harada, K.Furutaka, M.Igashira, T.Ohsaki, M.Mizumoto, A.Osa, M.Koizumi, Y.Toh, Y.Nagai, K.Kawade Design of a Compact 4π Ge Spectrometer for the Measurement of Neutron Capture Cross Sections of Minor Actinides
doi: 10.1080/18811248.2004.9726341
2004XU11 High Energy Phys. and Nucl.Phys. (China) 28, 584 (2004) Y.-B.Xu, X.-H.Zhou, L.-T.Song, Y.-X.Guo, Z.-Y.Sun, M.Oshima, T.Toh, A.Osa, M.Koizumi, J.Katakura, Y.Hatsukawa, M.Matsuda, M.Sugawara Study of Collective Rotational Bands in 179Pt
2004ZH05 Eur.Phys.J. A 19, 11 (2004) X.H.Zhou, M.Oshima, F.R.Xu, Y.Toh, Y.H.Zhang, Y.Zheng, Y.B.Xu, M.Koizumi, A.Osa, T.Hayakawa, Y.Hatsukawa, T.Shizuma, M.Sugawara Configuration-dependent bands in 169Re NUCLEAR REACTIONS 144Sm(28Si, 2np), E=140, 145, 150 MeV; measured Eγ, Iγ, γγ-, (X-ray)γ-coin. 169Re deduced high-spin levels, J, π, configurations, B(M1)/B(E2). Cranked mean-field calculations, comparison with neighboring isotopes.
doi: 10.1140/epja/i2003-10106-3
2003HA15 Phys.Rev. C 67, 064310 (2003) T.Hayakawa, Y.Toh, M.Oshima, A.Osa, M.Koizumi, Y.Hatsukawa, Y.Utsuno, J.Katakura, M.Matsuda, T.Morikawa, M.Sugawara, H.Kusakari, T.Czosnyka Projectile Coulomb excitation of 78Se NUCLEAR REACTIONS Pb(78Se, 78Se'), E=320 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 78Se deduced transitions B(E2), B(M1), quadrupole moments.
doi: 10.1103/PhysRevC.67.064310
2003HE29 High Energy Phys. and Nucl.Phys. (China) 27, 784 (2003) C.-Y.He, S.-X.Wen, L.-H.Zhu, Z.-M.Wang, G.-S.Li, R.-G.Ma, X.-G.Wu, G.-J.Yuan, C.-X.Yang, Y.Wang, Z.-L.Zhang, R.Meng, J.-B.Lu, R.-Q.Xu, S.-D.Xiao, M.Oshima, Y.Toh, A.Osa, M.Koizumi, Y.Hatsukawa, M.Matsuda, T.Hayakawa Signature Splitting and Inversion and Back Bending in Negative Sideband in 80Rb
2003KO51 Eur.Phys.J. A 18, 87 (2003) M.Koizumi, A.Seki, Y.Toh, M.Oshima, A.Osa, A.Kimura, Y.Hatsukawa, T.Shizuma, T.Hayakawa, M.Matsuda, J.Katakura, T.Czosnyka, M.Sugawara, T.Morikawa, H.Kusakari Multiple Coulomb excitation experiment of 66Zn NUCLEAR REACTIONS Pb(66Zn, 66Zn'), E=274.2 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 66Zn deduced transitions B(E2), level configurations, quadrupole moments. Cranked mean-field calculations.
doi: 10.1140/epja/i2003-10063-9
2003SH13 Eur.Phys.J. A 17, 159 (2003) T.Shizuma, Y.Toh, M.Oshima, M.Sugawara, M.Matsuda, T.Hayakawa, M.Koizumi, A.Osa, Y.H.Zhang, Z.Liu Inelastic excitation of 187Re NUCLEAR REACTIONS 187Re(82Se, 82Se'), E=500 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin. 187Re deduced levels, J, π, gK-gR, configurations, isomeric state T1/2.
doi: 10.1140/epja/i2002-10156-y
2003WE13 Chin.Phys.Lett. 20, 1932 (2003) S.-X.Wen, C.-Y.He, L.-H.Zhu, Z.-M.Wang, G.-S.Li, R.-G.Ma, X.-G.Wu, G.-J.Yuan, C.-X.Yang, Y.Wang, Z.L.Zhang, R.Meng, M.Oshima, Y.Toh, A.Osa, M.Koizumi, Y.Hatsukawa, M.Matsuda, T.Hagakawa, M.M.Ndontcheng Negative Parity Bands and Signature Splitting Inversion in 80Rb NUCLEAR REACTIONS 65Cu(19F, 3np), E=75 MeV; 66Zn(18O, 3np), E=76 MeV; 68Zn(16O, 3np), E=80 MeV; measured Eγ, Iγ, γγ-coin. 80Rb deduced high-spin levels, J, π, configurations, signature inversion.
doi: 10.1088/0256-307X/20/11/008
2003ZH38 Phys.Rev. C 68, 054313 (2003) Y.H.Zhang, M.Oshima, Y.Toh, X.H.Zhou, M.Koizumi, A.Osa, A.Kimura, Y.Hatsukawa, T.Morikawa, M.Nakamura, M.Sugawara, H.Kusakari, T.Komatsubara, K.Furuno, H.L.Wang, P.Luo, C.S.Wu, F.R.Xu Rotational bands and signature inversion in odd-odd 172Re NUCLEAR REACTIONS 149Sm(27Al, 4n), E=130, 135, 140, 150 MeV; measured Eγ, Iγ, γγ-, (X-ray)γ-coin, excitation function. 172Re deduced high-spin levels, J, π, B(M1)/B(E2), configurations, signature inversion. Comparison with model predictions, energy level systematics.
doi: 10.1103/PhysRevC.68.054313
2003ZH50 High Energy Phys. and Nucl.Phys. (China) 27, 313 (2003) Y.-H.Zhang, M.Oshima, T.Morikawa, T.Hayakawa, Y.Toh, X.-H.Zhou, J.-J.He, Z.Liu, Z.-G.Gan, T.Shizuma, M.Koizumi, A.Osa, J.Katakura, Y.Hatsukawa, M.Matsuda, N.Shinohara, T.Ishii, H.Kusakari, M.Sugawara, K.Furuno, T.Komatsubara, T.Une, S.-X.Wen, L.-H.Zhu, Z.-M.Wang, F.-R.Xu Study of Signature Inversion in the πi13/2(X)νi13/2 Bands of Odd-Odd Nuclei
2003ZH51 High Energy Phys. and Nucl.Phys. (China) 27, 574 (2003) Y.-H.Zhang, M.Oshima, Y.Toh, X.-H.Zhou, M.Koizimi, A.Osa, A.Kimura, Y.Hatsukawa, T.Morikawa, M.Nakamura, M.Sugawara, H.Kusakari, T.Komatsubara, K.Furuno Experimental Study of High-Spin Band Structures in Odd-Odd 172Re
2003ZH53 High Energy Phys. and Nucl.Phys. (China) 27, 984 (2003) X.-H.Zhou, M.Oshima, F.R.Xu, Y.Toh, Y.-H.Zhang, Y.Zheng, M.Koizumi, A.Osa, T.Hayakawa, Y.Hatsukawa, T.Shizuma, M.Sugawara Configuration-Dependent Bands in 169Re
2002KO02 Appl.Radiat.Isot. 56, 543 (2002) Y.Kojima, M.Asai, M.Shibata, K.Kawade, A.Taniguchi, A.Osa, M.Koizumi, T.Sekine Decay Scheme of 126La Isomers RADIOACTIVITY 126La(EC), (β+) [from 94Mo(36Ar, 3pn)]; measured Eγ, Iγ, γγ-coin, E(ce), I(ce), T1/2; deduced log ft. 126La deduced isomers J, π. 126Ba deduced levels, J, π, ICC, δ. Mass separator.
doi: 10.1016/S0969-8043(01)00248-2
2002LI21 Eur.Phys.J. A 13, 277 (2002) Z.Liu, Y.H.Zhang, X.H.Zhou, M.L.Liu, W.J.Luo, Q.Y.Pan, Z.G.Gan, T.Hayakawa, M.Oshima, Y.Toh, T.Shizima, Y.Hatsukawa, A.Osa, T.Ishii, M.Sugawara New Yrast Excited States of the N = 84 Nucleus 142Ce Observed in Deep Inelastic Reactions NUCLEAR REACTIONS 139La(82Se, X)142Ce, E=420 MeV; measured Eγ, γγ-coin, DCO, following deep inelastic reactions. 142Ce deduced levels, J, π, configurations. Comparison with Shell model results.
doi: 10.1007/s10050-002-8755-8
2002LI71 High Energy Phys. and Nucl.Phys. (China) 26, 1015 (2002) Z.Liu, Y.-H.Zhang, Y.-X.Guo, X.-H.Zhou, X.-G.Lei, M.-L.Liu, W.-J.Luo, J.-J.He, Y.Zheng, Q.-Y.Pan, Z.-G.Gan, Y.-X.Luo, T.Hayakawa, M.Oshima, Y.Toh, T.Shizima, Y.Hatsukawa, A.Osa, T.Ishii, M.Sugawara Observation and Empirical Shell-Model Study of New Yrast Excited States in the Nucleus 142Ce
2002OS07 Phys.Lett. 546B, 48 (2002) A.Osa, T.Czosnyka, Y.Utsuno, T.Mizusaki, Y.Toh, M.Oshima, M.Koizumi, Y.Hatsukawa, J.Katakura, T.Hayakawa, M.Matsuda, T.Shizuma, M.Sugawara, T.Morikawa, H.Kusakari First measurement of the quadrupole moment in the 2+1 state of 84Kr NUCLEAR REACTIONS 98Mo, Ta(84Kr, 84Kr'), E=250 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 84Kr level deduced quadrupole moment, B(E2). Comparisons with large-scale shell model predictions.
doi: 10.1016/S0370-2693(02)02660-6
2002SH01 Phys.Rev. C65, 024305 (2002) M.Shibata, H.Iimura, M.Asai, A.Osa, K.Kawade, S.Ichikawa, M.Oshima, T.Sekine, N.Shinohara Half-Life and Internal Conversion Electron Measurements in Low-Lying Levels of 125, 127Ba RADIOACTIVITY 125,127La(EC) [from Mo(32S, pxn)]; measured Eγ, Iγ, (X-ray)γ-coin, E(ce), I(ce). 125,127La deduced levels T1/2. 125,127Ba deduced levels, J, π, ICC, isomer T1/2.
doi: 10.1103/PhysRevC.65.024305
2002ZH13 Eur.Phys.J. A 13, 429 (2002) Y.H.Zhang, M.Oshima, Y.Toh, M.Koizumi, A.Osa, T.Shizuma, T.Hayakawa, M.Sugawara, H.Kusakari, T.Morikawa, S.X.Wen, L.H.Zhu Rotational Bands and Signature Inversion Phenomena in πh9/2 (X) νi13/2 and πi13/2 (X) νi13/2 Structures in Odd-Odd 176Ir NUCLEAR REACTIONS 149Sm(31P, 4n), E=145-160 MeV; measured Eγ, Iγ, γγ-, (X-ray)γ-coin. 176Ir deduced high-spin levels, J, π, configurations, signature inversion.
doi: 10.1007/s10050-002-8773-6
2002ZH42 Eur.Phys.J. A 15, 285 (2002) X.H.Zhou, M.Oshima, Y.Toh, Y.H.Zhang, Y.Zheng, M.Koizumi, A.Osa, T.Hayakawa, Y.Hatsukawa, T.Shizuma, M.Sugawara Rotational bands in 169Re NUCLEAR REACTIONS 144Sm(28Si, 2np), E=140, 145, 150 MeV; measured Eγ, Iγ, γγ-, (X-ray)γ-coin. 169Re deduced high-spin levels, J, π, configurations.
doi: 10.1140/epja/i2002-10076-x
2002ZH58 High Energy Phys. and Nucl.Phys. (China) 26, 445 (2002) Y.-H.Zhang, M.Oshima, Y.Toh, M.Koizumi, a.Osa, T.Shizuma, T.Hayakawa, M.Sugawara, H.Kusakari, T.Morikawa, S.-X.Wen, L.-H.Zhu Signature Inversion Phenomena in the Rotational Bands of Odd-Odd 176Ir
2002ZH61 High Energy Phys. and Nucl.Phys. (China) 26, 991 (2002) X.-H.Zhou, M.Oshima, Y.Toh, Y.-H.Zhang, Y.Zheng, M.Koizumi, A.Osa, T.Hayakawa, Y.Hatsukawa, T.Shizuma, M.Sugawara Rotational Bands in 169Re
2002ZI02 Acta Phys.Pol. B33, 515 (2002) M.Zielinska, T.Czosnyka, J.Choinski, J.Iwanicki, P.Napiorkowski, J.Srebrny, A.Osa, Y.Utsuno, Y.Toh, M.Oshima, Y.Hatsukawa, J.Katakura, M.Koizumi, M.Matsuda, T.Shizuma, M.Sugawara, T.Morikawa, H.Kusakari Shape Coexistence in 98Mo NUCLEAR REACTIONS 98Mo(20Ne, 20Ne'), (84Kr, 84Kr'), (136Xe, 136Xe'), E not given; measured Eγ, Iγ following Coulomb excitation. 98Mo levels deduced quadrupole deformation, shape coexistence features. Comparison with Ge isotopes.
2002ZI06 Nucl.Phys. A712, 3 (2002) M.Zielinska, T.Czosnyka, J.Choinski, J.Iwanicki, P.Napiorkowski, J.Srebrny, Y.Toh, M.Oshima, A.Osa, Y.Utsuno, Y.Hatsukawa, J.Katakura, M.Koizumi, M.Matsuda, T.Shizuma, M.Sugawara, T.Morikawa, H.Kusakari, A.D.Efimov, V.M.Mikhajlov Electromagnetic structure of 98Mo NUCLEAR REACTIONS 98Mo(20Ne, 20Ne'), E=50 MeV; 98Mo(84Kr, 84Kr'), E=250 MeV; 98Mo(136Xe, 136Xe'), E=614 MeV; measured Eγ, Iγ, (particle)γ-coin following Coulomb excitation. 98Mo deduced transitions E2 and M1 matrix elements, deformation, shape coexistence features. Comparison with IBM1 calculations.
doi: 10.1016/S0375-9474(02)01169-7
2001AS02 Nucl.Instrum.Methods Phys.Res. A463, 205 (2001) M.Asai, K.Kawade, M.Shibata, Y.Kojima, A.Osa, M.Koizumi, T.Sekine Normalization of γ-γ Angular Correlation Coincidence Counts using Characteristic X-Rays RADIOACTIVITY 126,128La(EC) [from Mo(36Ar, xnyp)]; measured Eγ, Iγ, γγ-, (X-ray)γ-coin. 126,128Ba transitions deduced angular correlation parameters. Mass-separated sources.
doi: 10.1016/S0168-9002(01)00301-1
2001TO13 J.Phys.(London) G27, 1475 (2001) Y.Toh, T.Czosnyka, M.Oshima, T.Hayakawa, H.Kusakari, M.Sugawara, A.Osa, M.Koizumi, Y.Hatsukawa, J.Katakura, N.Shinohara, M.Matsuda Multiple Coulomb Excitation of a 76Ge Beam NUCLEAR REACTIONS Pb(76Ge, 76Ge'), E=300 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 76Ge deduced transitions B(E2), quadrupole moments, deformation, collective features.
doi: 10.1088/0954-3899/27/7/307
1999AS03 Phys.Rev. C59, 3060 (1999) M.Asai, S.Ichikawa, K.Tsukada, M.Sakama, M.Shibata, Y.Kojima, A.Osa, I.Nishinaka, Y.Nagame, K.Kawade, T.Tachibana β-Decay Half-Lives of New Neutron-Rich Isotopes 167, 168Tb and Levels in 167, 168Dy RADIOACTIVITY 167,168Tb(β-) [from 238U(p, F)]; measured Eγ, Iγ, βγ-coin, T1/2. 167,168Dy deduced levels, J, π, configurations, rotational band features. Comparisons with neighboring nuclides.
doi: 10.1103/PhysRevC.59.3060
1999SE04 J.Radioanal.Nucl.Chem. 239, 127 (1999) T.Sekine, S.Ichikawa, A.Osa, M.Koizumi, H.Iimura, K.Tsukada, I.Nishinaka, Y.Hatsukawa, Y.Nagame, M.Asai, Y.Kojima, T.Hirose, M.Shibata, H.Yamamoto, K.Kawade Recent Studies of Unstable Nuclei Far from Stability with the On-Line Isotope Separators of JAERI
doi: 10.1007/BF02349543
1998KO06 Appl.Radiat.Isot. 49, 829 (1998) Y.Kojima, M.Asai, A.Osa, M.Koizumi, T.Sekine, M.Shibata, H.Yamamoto, K.Kawade Measurement of Q(EC) Values of 126La Isomers RADIOACTIVITY 126mLa(β+) [from 94Mo(36Ar, n3p)]; measured β-spectra, βγ-coin; deduced Q(EC) values. On-line mass separator.
doi: 10.1016/S0969-8043(97)00303-5
1998KO66 J.Phys.Soc.Jpn. 67, 3405 (1998) Y.Kojima, M.Asai, A.Osa, M.Koizumi, T.Sekine, M.Shibata, H.Yamamoto, K.Kawade, T.Tachibana QEC Measurement of 124, 125, 127-130La RADIOACTIVITY 124,125,127,128,129,130La(β+), (EC) [from Mo, 29Mo(36Ar, 3pxn), E=5.4 MeV/nucleon]; measured Eγ, Iγ, β-spectra, βγ-coin, T1/2; deduced Q(EC), masses. HPGe, on-line mass separation. ATOMIC MASSES 124,125,127,128,129,130La(β+), (EC) [from Mo, 29Mo(36Ar, 3pxn), E=5.4 MeV/nucleon]; measured Eγ, Iγ, β-spectra, βγ-coin, T1/2; deduced Q(EC), masses. HPGe, on-line mass separation.
doi: 10.1143/JPSJ.67.3405
1998MU21 Phys.Rev. B58, 11313 (1998) H.Muramatsu, E.Tanaka, H.Ishii, H.Ito, M.Misawa, T.Miura, Y.Fujita, K.Omata, S.Muto, M.Koizumi, A.Osa, T.Sekine, M.Yanaga, K.Endo, H.Nakahara, M.Fujioka Calibration and Interpretation of Mossbauer Isomer Shift of the 81-keV Transition in 133Cs NUCLEAR REACTIONS 133Cs(γ, γ), E=81 keV; measured emission Mossbauer spectra; deduced isomer shifts. Implanted radioactive 133Xe in metals. RADIOACTIVITY 133Xe(β-); measured E(ce), I(ce). 133Cs deduced charge radius, isomer shift. Implanted radioactive 133Xe in metals.
doi: 10.1103/PhysRevB.58.11313
1997AS05 Phys.Rev. C56, 3045 (1997) M.Asai, T.Sekine, A.Osa, M.Koizumi, Y.Kojima, M.Shibata, H.Yamamoto, K.Kawade Energy Systematics of Low-Lying 0+ States in Neutron-Deficient Ba Nuclei RADIOACTIVITY 128,130La, 130Pr(β+)(EC) [from Mo(36Ar, X), E=195 MeV]; 124,126La(β+)(EC) [from 92,94Mo(36Ar, X), E=195 MeV]; measured Eγ, Iγ, γγ(θ), γ(t); deduced low-spin isomers, β-decay branching ratios. 124,126,128,130Ba, 130Ce deduced levels, J, π. Model calculations, other nuclei compared. ISOL.
doi: 10.1103/PhysRevC.56.3045
1997AS07 Nucl.Instrum.Methods Phys.Res. A398, 265 (1997) M.Asai, K.Kawade, H.Yamamoto, A.Osa, M.Koizumi, T.Sekine A Five-HPGe Detector System for γ-γ Angular Correlation Measurements for Mass-Separated Short-Lived Nuclei RADIOACTIVITY 152Eu, 126La(β+), (EC); measured Eγ, Iγ, γγ(θ). 152Sm, 152Gd, 126Ba deduced transitions angular correlations parameters.
doi: 10.1016/S0168-9002(97)00807-3
1996AS05 J.Phys.Soc.Jpn. 65, 1135 (1996) M.Asai, K.Tsukada, S.Ichikawa, A.Osa, Y.Kojima, M.Shibata, H.Yamamoto, K.Kawade, N.Shinohara, Y.Nagame, H.Iimura, Y.Hatsukawa, I.Nishinaka Identification of a New Isotope 166Tb RADIOACTIVITY 166Tb(β-) [from 238U(p, F)]; measured Eγ, Iγ, βγ-, γγ-coin, T1/2; deduced log ft. 166Dy deduced levels, β-feeding intensity. Mass separator. NUCLEAR REACTIONS 238U(p, F), E=16 MeV; measured (fragment)γ-coin; deduced evidence for 166Tb. Mass separator.
doi: 10.1143/JPSJ.65.1135
1996IC01 Nucl.Instrum.Methods Phys.Res. A374, 330 (1996) S.Ichikawa, M.Asai, K.Tsukada, A.Osa, T.Ikuta, N.Shinohara, H.Iimura, Y.Nagame, Y.Hatsukawa, I.Nishinaka, K.Kawade, H.Yamamoto, M.Shibata, Y.Kojima Mass Separation of Neutron-Rich Isotopes using a Gas-Jet Coupled Thermal Ion Source NUCLEAR REACTIONS 238U(p, F), E=15 MeV; measured Eγ, Iγ following fission fragment decay, fragment yield vs mass number; deduced evidence for 166Tb; deduced production σ, reaction yields for 140,144Cs, 144Ba, 144,148La, 148Pr, 152Nd, 156Pm, 160Eu. Isotope separator plus gas-jet coupled thermal ion source. RADIOACTIVITY 166Tb(β-) [from 238U(p, F), E=15 MeV]; measured Eγ, Iγ, T1/2. Monoxide ions from gas-jet coupled thermal ion source used in conjunction with isotope separator.
doi: 10.1016/0168-9002(96)00086-1
1996OS04 J.Phys.Soc.Jpn. 65, 928 (1996) A.Osa, T.Ikuta, K.Kawade, H.Yamamoto, S.-I.Ichikawa Beta-Decay Energies of 121,123,125Ba and 121-124,126Cs RADIOACTIVITY 121,123Ba(β+EC) [from 92Mo(35Cl, X), E=5.3 MeV/nucleon]; 125Ba, 121,122,123,124,126Cs(β+EC) [from (nat)Mo(32S, X), E=5.2 MeV/nucleon]; measured Q(EC), Eγ, γγ-coin, hyperfine Ge, β+-ray detector.
1996SH10 Appl.Radiat.Isot. 47, 171 (1996) N.Shigeta, R.M.Lambrecht, H.Matsuoka, A.Osa, M.Koizumi, K.Kobayashi, M.Izumo, K.Hashimoto, T.Sekine Tantalum-183: Cyclotron production of a neutron-rich biomedical tracer NUCLEAR REACTIONS, ICPND 186W(p, α), (p, n), E=13.6 MeV; measured residuals production σ, yield. Model comparison.
doi: 10.1016/0969-8043(95)00254-5
1996SH31 J.Radioanal.Nucl.Chem. 205, 85 (1996) N.Shigeta, H.Matsuoka, A.Osa, M.Koizumi, M.Izumo, K.Kobayashi, K.Hashimoto, T.Sekine, R.M.Lambrecht Production Method of No-Carrier-Added 186Re NUCLEAR REACTIONS, ICPND 186W(p, n), E=5-20 MeV; measured σ; deduced thick target yield. Stacked-foil activation.
doi: 10.1007/BF02040553
1996TA26 J.Phys.Soc.Jpn. 65, 3824 (1996) A.Taniguchi, T.Ikuta, A.Osa, H.Yamamoto, K.Kawade, J.-Z.Ruan, S.Yamada, Y.Kawase, K.Okano Beta Decay of 153Nd and Reflection Asymmetric Deformation in 153Pm RADIOACTIVITY 153Nd(β-) [from 235U(n, F), E=thermal]; measured Eγ, Iγ, γγ-, βγ-coin, γγ(θ), E(ce), I(ce), T1/2. 153Pm deduced levels, J, π, ICC, log ft, B(λ), δ. Mass-separated beam. Rotation-vibration coupling model.
doi: 10.1143/JPSJ.65.3824
1995OS03 Nucl.Phys. A588, 185c (1995) A.Osa, M.Asai, M.Koizumi, T.Sekine, S.Ichikawa, Y.Kojima, H.Yamamoto, K.Kawade β+ Decay of Unstable Presodymium Isotopes: 127Pr, 126Pr and the New Isotope 125Pr RADIOACTIVITY 127Pr(β+) [from 94Mo(36Ar, X), E=5.4 MeV/nucleon]; 125,126Pr(β+) [from 92Mo(36Ar, X), E=5.4 MeV/nucleon]; measured Eγ, Iγ, γγ-coin. 125Pr deduced T1/2. 127,125,126Ce deduced levels, Iγ.
doi: 10.1016/0375-9474(95)00137-P
1994SE13 Z.Phys. A349, 143 (1994) T.Sekine, A.Osa, M.Koizumi, S.Ichikawa, M.Asai, H.Yamamoto, K.Kawade Decay of the New Isotope 127Pr NUCLEAR REACTIONS 94Mo(36Ar, 2np), E=4.9 MeV/nucleon; measured Eγ, Iγ, βγ(t), γγ-coin; deduced evidence for 127Pr. RADIOACTIVITY 127Pr(β+), (EC) [from 94Mo(36Ar, 2np), E=4.9 MeV/nucleon]; measured Eγ, Iγ, βγ(t), γγ-coin; deduced T1/2. 127Ce deduced levels.
doi: 10.1007/BF01291172
1994SH37 J.Phys.Soc.Jpn. 63, 3263 (1994) M.Shibata, T.Ikuta, A.Taniguchi, A.Osa, A.Tanaka, H.Yamamoto, K.Kawade, J.-Z.Ruan, Y.Kawase, K.Okano Beta Decay of 151Pr into Levels in 151Nd RADIOACTIVITY 151Pr(β-) [from 235U(n, F), E=thermal]; measured Eγ, Iγ, I(ce), γγ-coin; deduced log ft. 151Nd deduced levels, J, π, ICC, γ multipolarity. Hyperpure Ge, LEPS, Si(Li) detectors, mass separated beam of A=151+16(16O).
doi: 10.1143/JPSJ.63.3263
1993OS06 Nucl.Instrum.Methods Phys.Res. A332, 169 (1993) A.Osa, T.Ikuta, M.Shibata, M.Miyachi, H.Yamamoto, K.Kawade, Y.Kawase, S.Ichikawa Measurement of β+-Ray Maximum Energy with an HPGe Detector RADIOACTIVITY 62Cu, 68Ga(β+), 91Mo(β+); measured maximum Eβ+. 91Mo deduced Q(EC).
doi: 10.1016/0168-9002(93)90755-7
1992IK02 Nucl.Instrum.Methods Phys.Res. A323, 697 (1992) T.Ikuta, A.Osa, A.Taniguchi, H.Yamamoto, K.Kawade Portable Neutron-Capture γ-Ray Source above 3.5 MeV with 252Cf NUCLEAR REACTIONS 35Cl(n, γ), E=thermal; measured capture Eγ, Iγ; deduced portable 252Cf neutron source characteristics.
doi: 10.1016/0168-9002(92)90017-X
1992MO13 Phys.Rev. C46, R6 (1992) T.Morikawa, M.Oshima, T.Sekine, Y.Hatsukawa, S.Ichikawa, H.Iimura, A.Osa, M.Shibata, A.Taniguchi Lifetime Measurement of the First 2+ State in 122,124,126Ba RADIOACTIVITY 122,124,126La(β+) [from 92Mo(35Cl, xnyp)]; measured βγ(t). 122,124,126Ba level deduced T1/2, B(E2). BaF2, plastic scintillators. Neutron-proton interacting boson model.
doi: 10.1103/PhysRevC.46.R6
1992OS07 Nucl.Instrum.Methods Phys.Res. B70, 551 (1992) A.Osa, T.Ikuta, A.Taniguchi, H.Yamamoto, K.Kawade, S.Ichikawa, Y.Kawase Measurement of β-Ray Maximum Energy with an HPGe Detector by Means of β+-Annihilation Photons Coincidence RADIOACTIVITY 68Ga(β+), (EC) [from 68Ge(EC-decay)]; 126Cs(β+)(EC) [from Mo(32S, X), E=5.1 MeV/nucleon]; measured β+-spectra, endpoint energy, βγ-coin; deduced Q(EC). Hyperpure Ge β-ray detector, two pairs of BaF2 scintillation detectors for annihilation photons.
doi: 10.1016/0168-583X(92)95981-V
1991II02 J.Phys.Soc.Jpn. 60, 3585 (1991) H.Iimura, M.Shibata, S.-I.Ichikawa, T.Sekine, M.Oshima, N.Shinohara, M.Miyachi, A.Osa, H.Yamamoto, K.Kawade Level Scheme of 123Ba Fed by the 123La Decay RADIOACTIVITY 123La(β+) [from 92Mo(35Cl, 2n2p), E=180 MeV]; measured Eγ, Iγ, γγ-coin, βγ(t). 123Ba deduced levels, J, π, band structure, Nilsson assignments, γ-multipolarity, T1/2. NUCLEAR REACTIONS 92Mo(35Cl, 2n2p), E=180 MeV; measured Eγ, Iγ, γγ-coin, βγ(t).
doi: 10.1143/JPSJ.60.3585
1991KA35 Nucl.Instrum.Methods Phys.Res. A301, 594 (1991) K.Kawade, T.Katou, A.Osa, M.Shibata, H.Yamamoto, T.Katoh, T.Iida, A.Takahashi Measurement of β+-Activity by Detecting 511 keV Annihilation γ-Rays RADIOACTIVITY 68Ga, 62Cu, 91Mo(β+); measured annihilation γ-ray production yield vs absorber thickness; deduced detection efficiency features.
doi: 10.1016/0168-9002(91)90029-P
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