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NSR database version of April 11, 2024.

Search: Author = T.Onishi

Found 42 matches.

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2015MO17      Phys.Rev. C 92, 024608 (2015)

S.Momota, I.Tanihata, A.Ozawa, M.Notani, K.Yoshida, K.Morimoto, T.Yamaguchi, T.Onishi, A.Yoshida, Y.X.Watanabe, Z.Liu, A.Ono

Velocity-dependent transverse momentum distribution of fragments produced from 40Ar+9Be at 95 MeV/nucleon

NUCLEAR REACTIONS 9Be(40Ar, X), E=95 MeV/nucleon; measured time-of-flight, energy loss and angular distribution of fragments using Rikagaku Kenkyusho (RIKEN) Projectile Fragment Separator at RIKEN. 10,11,12Be, 11,12,13,14,15B, 13,14,15,16,17,18C, 14,15,16,17,18,19,20,21N, 17,18,19,20,21,22,23,24O, 19,20,21,22,23,24,25,26F, 21,22,23,24,25,26,27,28,29Ne, 24,25,26,27,28,29,30,31Na, 26,27,28,29,30,31,32,33,34Mg, 28,29,30,31,32,33,34,35,36Al, 30,31,32,33,34,35,36,37Si; analyzed transverse momentum distributions for fragments; deduced formulation for the width of transverse momentum distribution. Comparison with antisymmetrized molecular-dynamics model calculations to investigate reaction mechanism.

doi: 10.1103/PhysRevC.92.024608
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2014MI09      Phys.Rev. C 89, 054307 (2014)

S.Michimasa, Y.Yanagisawa, K.Inafuku, N.Aoi, Z.Elekes, Zs.Fulop, Y.Ichikawa, N.Iwasa, K.Kurita, M.Kurokawa, T.Machida, T.Motobayashi, T.Nakamura, T.Nakabayashi, M.Notani, H.J.Ong, T.K.Onishi, H.Otsu, H.Sakurai, M.Shinohara, T.Sumikama, S.Takeuchi, K.Tanaka, Y.Togano, K.Yamada, M.Yamaguchi, K.Yoneda

Quadrupole collectivity in island-of-inversion nuclei 28, 30Ne and 34, 36Mg

NUCLEAR REACTIONS 1H(28Ne, 28Ne), E=53.5 MeV/nucleon; 1H(30Ne, 30Ne), E=44.0 MeV/nucleon; 1H(32Mg, 32Mg), E=58.9 MeV/nucleon; 1H(34Mg, 34Mg), E=51.1 MeV/nucleon; 1H(36Mg, 36Mg), E=44.5 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, magnetic rigidity, time of flight using accelerator complex, RIPS separator at RIBF-RIKEN facility. 28,30Ne, 32,34,36Mg; deduced levels, J, π, production σ for first 2+ states; deduced (p, p') deformation lengths and β2 deformation parameter, quadrupole collectivity around N=20 region. Systematics of deformation lengths in N=12-24 Mg, Ne and Si nuclei in the region of island-of inversion nuclei. Comparison with shell model calculations using AMPGCM and SDPF-M.

doi: 10.1103/PhysRevC.89.054307
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2456. Data from this article have been entered in the XUNDL database. For more information, click here.


2014SA06      Phys.Lett. B 728, 462 (2014)

Y.Satou, J.W.Hwang, S.Kim, K.Tshoo, S.Choi, T.Nakamura, Y.Kondo, N.Matsui, Y.Hashimoto, T.Nakabayashi, T.Okumura, M.Shinohara, N.Fukuda, T.Sugimoto, H.Otsu, Y.Togano, T.Motobayashi, H.Sakurai, Y.Yanagisawa, N.Aoi, S.Takeuchi, T.Gomi, M.Ishihara, S.Kawai, H.J.Ong, T.K.Onishi, S.Shimoura, M.Tamaki, T.Kobayashi, Y.Matsuda, N.Endo, M.Kitayama

One-neutron knockout reaction of 17C on a hydrogen target at 70 MeV/nucleon

NUCLEAR REACTIONS 1H(17C, 16C), E=70 MeV/nucleon; measured reaction products, TOF, Eγ, Iγ. 16C; deduced energy levels, J, π, σ. Comparison with Glauber model calculations, available data.

doi: 10.1016/j.physletb.2013.12.024
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2448. Data from this article have been entered in the XUNDL database. For more information, click here.


2012LA23      Prog.Theor.Phys.(Kyoto), Suppl. 196, 111 (2012)

V.Lapoux, S.Boissinot, H.Otsu, H.Baba, R.J.Chen, A.Matta, E.Pollacco, Y.Blumenfeld, F.Flavigny, S.Franchoo, N.Fukuda, P.Gangnant, F.Hammache, Ch.Houarner, N.Inabe, D.Kameda, J.F.Libin, C.Louchart, M.Matsushita, T.Motobayashi, L.Nalpas, E.Yu.Nikolskii, M.Nishimura, A.Obertelli, T.Onishi, E.Rindel, Ph.Rosier, H.Sakurai, F.Saillant, M.Takechi, S.Takeuchi, Y.Togano, K.Yoneda, A.Yoshida, K.Yoshida, for the RIBF57 Collaboration

Spectroscopy of the Unbound States of the Drip-Line Nucleus 24O

NUCLEAR REACTIONS 1H(24O, p'), E=262.5 MeV/nucleon; 1H(24O, p), (23O, p), (22O, p), E≈262.5 MeV/nucleon; measured reaction products, Ep, Ip. 24O; deduced σ(θ), level energies, J, π. Comparison with theoretical calculations.

doi: 10.1143/PTPS.196.111
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2011IC06      J.Phys.:Conf.Ser. 312, 092031 (2011)

Y.Ichikawa, T.K.Onishi, D.Suzuki, H.Iwasaki, T.Kubo, V.Naik, A.Chakrabarti, N.Aoi, B.A.Brown, N.Fukuda, S.Kubono, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, T.Okumura, H.J.Ong, H.Suzuki, M.K.Suzuki, T.Teranishi, K.N.Yamada, H.Yamaguchi, H.Sakurai

Proton-rich nuclear structure and mirror asymmetry investigated by β-decay spectroscopy of 24Si

RADIOACTIVITY 24Si(β+), (EC)[from projectile fragment separator]; measured β-delayed Eγ, Iγ(t). 24Si deduced decay scheme, levels, J, π, branching ratios, Gamow-Teller transition strength B(GT), log ft.

doi: 10.1088/1742-6596/312/9/092031
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2011SA02      Phys.Lett. B 697, 459 (2011)

Y.Satou, T.Nakamura, Y.Kondo, N.Matsui, Y.Hashimoto, T.Nakabayashi, T.Okumura, M.Shinohara, N.Fukuda, T.Sugimoto, H.Otsu, Y.Togano, T.Motobayashi, H.Sakurai, Y.Yanagisawa, N.Aoi, S.Takeuchi, T.Gomi, M.Ishihara, S.Kawai, H.J.Ong, T.K.Onishi, S.Shimoura, M.Tamaki, T.Kobayashi, Y.Matsuda, N.Endo, M.Kitayama

14Be(p, n)14B reaction at 69 MeV in inverse kinematics

NUCLEAR REACTIONS 1H(14Be, n), E=69 MeV/nucleon; measured reaction fragments, Eγ, Iγ; deduced resonance parameters, energy spectrum, σ(θ), Gamow-Teller transition, J, π. DWBA calculations.

doi: 10.1016/j.physletb.2011.02.045
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2325. Data from this article have been entered in the XUNDL database. For more information, click here.


2010KO17      Phys.Lett. B 690, 245 (2010)

Y.Kondo, T.Nakamura, Y.Satou, T.Matsumoto, N.Aoi, N.Endo, N.Fukuda, T.Gomi, Y.Hashimoto, M.Ishihara, S.Kawai, M.Kitayama, T.Kobayashi, Y.Matsuda, N.Matsui, T.Motobayashi, T.Nakabayashi, T.Okumura, H.J.Ong, T.K.Onishi, K.Ogata, H.Otsu, H.Sakurai, S.Shimoura, M.Shinohara, T.Sugimoto, S.Takeuchi, M.Tamaki, Y.Togano, Y.Yanagisawa

Low-lying intruder state of the unbound nucleus 13Be

NUCLEAR REACTIONS 1H(14Be, X)13Be, E=69 MeV/nucleon; measured reaction fragments; deduced σ, σ(E), p- and d-wave resonance energies and widths, J, π. Comparison with shell model calculations.

doi: 10.1016/j.physletb.2010.05.031
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2173. Data from this article have been entered in the XUNDL database. For more information, click here.


2010SA25      Nucl.Phys. A834, 404c (2010)

Y.Satou, T.Nakamura, N.Fukuda, T.Sugimoto, Y.Kondo, N.Matsui, Y.Hashimoto, T.Nakabayashi, Y.Okumura, M.Shinohara, T.Motobayashi, Y.Yanagisawa, N.Aoi, S.Takeuchi, T.Gomi, Y.Togano, S.Kawai, H.Sakurai, H.J.Ong, T.K.Onishi, S.Shimoura, M.Tamaki, T.Kobayashi, H.Otsu, N.Endo, M.Kitayama, M.Ishihara

Invariant mass spectroscopy of 19, 17C and 14B using proton inelastic and charge-exchange reactions

NUCLEAR REACTIONS 1H(17C, 17C'), (19C, 19C'), E=70 MeV/nucleon; measured Ep, Ip, fragment-spectra; deduced levels, J, π, σ(θ); calculated levels, J, π using shell model with different forces, σ(θ) using DWBA with WBT shell model wave function. 1H(14Be, 14B), E=70 MeV/nucleon; measured Eβ, Iβ, fragment-spectra; deduced low-lying levels, J, π; calculated levels, J, π using shell model, β-decay strength B(GT). Secondary radioactive beams. Inverse kinematics.

doi: 10.1016/j.nuclphysa.2010.01.050
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2010TA23      Phys.Rev. C 82, 044309 (2010)

K.Tanaka, M.Fukuda, M.Mihara, M.Takechi, D.Nishimura, T.Chinda, T.Sumikama, S.Kudo, K.Matsuta, T.Minamisono, T.Suzuki, T.Ohtsubo, T.Izumikawa, S.Momota, T.Yamaguchi, T.Onishi, A.Ozawa, I.Tanihata, T.Zheng

Density distribution of 17Ne and possible shell-structure change in the proton-rich sd-shell nuclei

NUCLEAR REACTIONS 9Be, 12C, 27Al(17Ne, X), [secondary 17Ne beam from 9Be(20Ne, X), E=135 MeV/nucleon], E=42, 64 MeV/nucleon; measured particle spectra, magnetic rigidity and time-of-flight, reaction and interaction σ; deduced density distributions of 17Ne nucleus with Glauber-type calculations, halo-like dilute tail, and level inversion. Systematics of 2s1/2 and 1d5/2 levels as a function of diffuseness for 17Ne, 17F, 20Na, 20Mg, 22,23Al nuclei.

doi: 10.1103/PhysRevC.82.044309
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2290.


2009IC05      Phys.Rev. C 80, 044302 (2009)

Y.Ichikawa, T.K.Onishi, D.Suzuki, H.Iwasaki, T.Kubo, V.Naik, A.Chakrabarti, N.Aoi, B.A.Brown, N.Fukuda, S.Kubono, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, T.Okumura, H.J.Ong, H.Suzuki, M.K.Suzuki, T.Teranishi, K.N.Yamada, H.Yamaguchi, H.Sakurai

β decay of the proton-rich nucleus 24Si and its mirror asymmetry

RADIOACTIVITY 24Si(β+), (β+p), 23Al(β+)[from 9Be(28Si, X), E=100 MeV/nucleon]; measured Eγ, Iγ, Ep, Ip, βγ-, γγ-coin, half-lives. 24Al, 23Mg; deduced levels, J, π, β+ and delayed-proton emission probabilities, logft, and B(GT) strengths. 20,21Na, 22,23Mg, 24Al(β+); measured Eγ. Comparison with shell-model calculation. Comparison of B(GT) strengths from 24Si and 24Ne decays. RIKEN-RIPS facility.

doi: 10.1103/PhysRevC.80.044302
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2009IC06      Eur.Phys.J. A 42, 375 (2009)

Y.Ichikawa, T.Kubo, N.Aoi, V.Banerjee, A.Chakrabarti, N.Fukuda, H.Iwasaki, S.Kubono, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, T.Okumura, H.J.Ong, T.K.Onishi, D.Suzuki, H.Suzuki, M.K.Suzuki, T.Teranishi, K.N.Yamada, H.Yamaguchi, H.Sakurai

Beta-decay study of Tz = -2 proton-rich nucleus 24Si

RADIOACTIVITY 24Si(β+), (β+p) [from 9Be, Ni(28Si, X), E=100 MeV/nucleon]; measured Eγ, Iγ, Ep, Ip, βγ-, γγ-coin, T1/2 at RIKEN RIPS facility. 24Al, 23Mg; deduced levels, J, π, branching ratios, emission probabilities.

doi: 10.1140/epja/i2008-10761-8
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Data from this article have been entered in the XUNDL database. For more information, click here.


2009KO02      Phys.Rev. C 79, 014602 (2009)

Y.Kondo, T.Nakamura, Y.Satou, T.Matsumoto, N.Aoi, N.Endo, N.Fukuda, T.Gomi, Y.Hashimoto, M.Ishihara, S.Kawai, M.Kitayama, T.Kobayashi, Y.Matsuda, N.Matsui, T.Motobayashi, T.Nakabayashi, K.Ogata, T.Okumura, H.J.Ong, T.K.Onishi, H.Otsu, H.Sakurai, S.Shimoura, M.Shinohara, T.Sugimoto, S.Takeuchi, M.Tamaki, Y.Togano, Y.Yanagisawa

One-neutron removal reactions of 18C and 19C on a proton target

NUCLEAR REACTIONS 1H(19C, 18C), E=81 MeV/nucleon; 1H(18C, 17C), E=68 MeV/nucleon; measured Eγ, Iγ, σ, (particle)-γ coin, transverse-momentum distributions. 17,18C; deduced levels, J, π. Comparison with continuum-discretized coupled-channel calculations.

doi: 10.1103/PhysRevC.79.014602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1665.


2009NI17      Eur.Phys.J. A 42, 471 (2009)

M.Niikura, E.Ideguchi, N.Aoi, H.Baba, T.Fukuchi, Y.Ichikawa, H.Iwasaki, T.Kubo, M.Kurokawa, M.Liu, S.Michimasa, T.Ohnishi, T.K.Onishi, S.Ota, S.Shimoura, H.Suzuki, D.Suzuki, Y.Wakabayashi, K.Yoshida, Y.Zheng

Yrast spectroscopy in 49-51Ti via fusion-evaporation reaction induced by a radioactive beam

NUCLEAR REACTIONS 9Be(46Ar, xn)49Ti/50Ti/51Ti, E=2-8 MeV/nucleon; measured Eγ, Iγ, γγ-coin in-beam using GRAPE HPGe detector array with Doppler shift correction. 49Ti, 50Ti, 51Ti; deduced high-spin yrast levels, J, π, configurations. Comparison with shell model ANTOINE. Secondary radioactive beam.

doi: 10.1140/epja/i2009-10857-7
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Data from this article have been entered in the XUNDL database. For more information, click here.


2009ON02      Eur.Phys.J. A 42, 393 (2009)

H.J.Ong, N.Imai, D.Suzuki, H.Iwasaki, H.Sakurai, T.K.Onishi, M.K.Suzuki, S.Ota, S.Takeuchi, T.Nakao, Y.Togano, Y.Kondo, N.Aoi, H.Baba, S.Bishop, Y.Ichikawa, M.Ishihara, T.Kubo, K.Kurita, T.Motobayashi, T.Nakamura, T.Okumura, Y.Yanagisawa

Observation/confirmation of hindered E2 strength in 18C/16C

NUCLEAR REACTIONS 9Be(16C, 16C'), (18C, 18C'), E=72.79 MeV/nucleon; 16,18C; measured measured Eγ, Iγ, γγ-coin, half-lives using the upgraded recoil shadow method; deduced mean lifetime, B(E2), hinderance of transition strength, proton-shell closure. 22Ne secondary beams.

doi: 10.1140/epja/i2009-10804-8
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Data from this article have been entered in the XUNDL database. For more information, click here.


2009TA08      Phys.Rev. C 79, 054319 (2009)

S.Takeuchi, N.Aoi, T.Motobayashi, S.Ota, E.Takeshita, H.Suzuki, H.Baba, T.Fukui, Y.Hashimoto, K.Ieki, N.Imai, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, K.Kurita, T.Minemura, T.Nakabayashi, T.Nakamura, T.Okumura, T.K.Onishi, H.Sakurai, S.Shimoura, R.Sugou, D.Suzuki, M.K.Suzuki, M.Takashina, M.Tamaki, K.Tanaka, Y.Togano, K.Yamada

Low-lying states in 32Mg studied by proton inelastic scattering

NUCLEAR REACTIONS 1H(32Mg, 32Mg'), E=46.5 MeV/nucleon; measured Eγ, Iγ, scattered particle spectra, σ, σ(θ). 32Mg; deduced levels, J, π, deformation lengths, rms radii.Coupled-channel analysis of angular distribution cross sections. 24,26,28,30,32,34Mg; level systematics.

doi: 10.1103/PhysRevC.79.054319
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2147. Data from this article have been entered in the XUNDL database. For more information, click here.


2009TA31      Int.J.Mod.Phys. E18, 2025 (2009)

S.Takeuchi, N.Aoi, H.Baba, T.Kubo, T.Motobayashi, K.Tanaka, K.Yamada, T.Fukui, S.Ota, Y.Hashimoto, Y.Kondo, T.Nakabayashi, T.Nakamura, T.Okumura, K.Ieki, S.Kanno, K.Kurita, R.Sugou, E.Takeshita, Y.Togano, N.Imai, T.Minemura, H.Iwasaki, T.K.Onishi, H.Sakurai, D.Suzuki, H.Suzuki, M.K.Suzuki, S.Shimoura, M.Tamaki

Study of low-lying states in 32Mg

NUCLEAR REACTIONS 1H(32Mg, 32Mg'), E=45.5 MeV/nucleon; measured Eγ, Iγ, γ-γ-coin.; 32Mg deduced level energies, decay and level scheme, J, π, σ(θ), β2. Secondary beam from 40Ar fragmentation.

doi: 10.1142/S0218301309014226
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2147.


2008IW03      Phys.Rev. C 78, 021304 (2008)

H.Iwasaki, S.Michimasa, M.Niikura, M.Tamaki, N.Aoi, H.Sakurai, S.Shimoura, S.Takeuchi, S.Ota, M.Honma, T.K.Onishi, E.Takeshita, H.J.Ong, H.Baba, Z.Elekes, T.Fukuchi, Y.Ichikawa, M.Ishihara, N.Iwasa, S.Kanno, R.Kanungo, S.Kawai, T.Kubo, K.Kurita, T.Motobayashi, A.Saito, Y.Satou, H.Suzuki, M.K.Suzuki, Y.Togano, Y.Yanagisawa

Persistence of the N=50 shell closure in the neutron-rich isotope 80Ge

NUCLEAR REACTIONS Pb(76Ge, 76Ge'), (80Ge, 80Ge'), E=37 MeV/nucleon; measured Eγ, Iγ, σ. 76,80Ge; deduced levels, J, π, B(E2). Comparison with large scale shell model calculations.

doi: 10.1103/PhysRevC.78.021304
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2122. Data from this article have been entered in the XUNDL database. For more information, click here.


2008ON02      Phys.Rev. C 78, 014308 (2008)

H.J.Ong, N.Imai, D.Suzuki, H.Iwasaki, H.Sakurai, T.K.Onishi, M.K.Suzuki, S.Ota, S.Takeuchi, T.Nakao, Y.Togano, Y.Kondo, N.Aoi, H.Baba, S.Bishop, Y.Ichikawa, M.Ishihara, T.Kubo, K.Kurita, T.Motobayashi, T.Nakamura, T.Okumura, Y.Yanagisawa

Lifetime measurements of first excited states in 16, 18C

NUCLEAR REACTIONS 9Be(16C, 16C'), E=40 MeV/nucleon;9Be(18C, 18C'), (18C, 11Be), (18C, 16N), E=79 MeV/nucleon; measured Eγ, Iγ, γγ-coin, half-lives using recoil shadow method. 11Be, 16N, 16,18C; deduced levels, J, π, B(E2). 14C, 16,18,20,22O, 34Si, 38,40,46,48Ca; comparison of B(E2) values.

doi: 10.1103/PhysRevC.78.014308
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Data from this article have been entered in the XUNDL database. For more information, click here.


2008SA03      Phys.Lett. B 660, 320 (2008)

Y.Satou, T.Nakamura, N.Fukuda, T.Sugimoto, Y.Kondo, N.Matsui, Y.Hashimoto, T.Nakabayashi, T.Okumura, M.Shinohara, T.Motobayashi, Y.Yanagisawa, N.Aoi, S.Takeuchi, T.Gomi, Y.Togano, S.Kawai, H.Sakurai, H.J.Ong, T.K.Onishi, S.Shimoura, M.Tamaki, T.Kobayashi, H.Otsu, Y.Matsuda, N.Endo, M.Kitayama, M.Ishihara

Unbound excited states in 19, 17C

NUCLEAR REACTIONS 1H(19C, 18C), (19C, 16C), (17C, 16C), E=70 MeV/nucleon; measured σ, σ(θ), relative energy spectra. 17,19C deduced level energies, J, π using DWBA analysis.

doi: 10.1016/j.physletb.2008.01.022
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2096. Data from this article have been entered in the XUNDL database. For more information, click here.


2008SU12      Phys.Lett. B 666, 222 (2008)

D.Suzuki, H.Iwasaki, H.J.Ong, N.Imai, H.Sakurai, T.Nakao, N.Aoi, H.Baba, S.Bishop, Y.Ichikawa, M.Ishihara, Y.Kondo, T.Kubo, K.Kurita, T.Motobayashi, T.Nakamura, T.Okumura, T.K.Onishi, S.Ota, M.K.Suzuki, S.Takeuchi, Y.Togano, Y.Yanagisawa

Lifetime measurements of excited states in 17C: Possible interplay between collectivity and halo effects

NUCLEAR REACTIONS 9Be(18C, n17C), E not given; measured Eγ, Iγ, lifetimes of low lying states using recoil shadow method. 17C; deduced B(M1).

doi: 10.1016/j.physletb.2008.07.055
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Data from this article have been entered in the XUNDL database. For more information, click here.


2007MO23      Phys.Rev. C 76, 014609 (2007)

M.Mocko, M.B.Tsang, Z.Y.Sun, N.Aoi, J.M.Cook, F.Delaunay, M.A.Famiano, H.Hui, N.Imai, H.Iwasaki, W.G.Lynch, T.Motobayashi, M.Niikura, T.Onishi, A.M.Rogers, H.Sakurai, A.Stolz, H.Suzuki, E.Takeshita, S.Takeuchi, M.S.Wallace

Projectile fragmentation of 86Kr at 64 MeV/nucleon

NUCLEAR REACTIONS 9Be, 181Ta(86Kr, X), E=64 MeV/nucleon; measured fragmentation cross sections.

doi: 10.1103/PhysRevC.76.014609
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2059.


2007TS09      Phys.Rev. C 76, 041302 (2007)

M.B.Tsang, W.G.Lynch, W.A.Friedman, M.Mocko, Z.Y.Sun, N.Aoi, J.M.Cook, F.Delaunay, M.A.Famiano, H.Hui, N.Imai, H.Iwasaki, T.Motobayashi, M.Niikura, T.Onishi, A.M.Rogers, H.Sakurai, H.Suzuki, E.Takeshita, S.Takeuchi, M.S.Wallace

Fragmentation cross sections and binding energies of neutron-rich nuclei

NUCLEAR REACTIONS 9Be(86Kr, X)69Cu/71Cu/73Cu/75Cu/76Cu/77Cu/78Cu/79Cu, E=64 MeV/A; analyzed cross sections, binding energies. 9Be, 181Ta(48Ca, X)23Na/24Na/25Na/26Na/27Na/28Na/29Na/30Na/31Na/26Mg/27Mg/28Mg/29Mg/30Mg/31Mg/32Mg/33Mg/34Mg/35Mg, E=140 MeV/nucleon; analyzed cross sections.

doi: 10.1103/PhysRevC.76.041302
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2006TA31      J.Phys.:Conf.Ser. 49, 153 (2006)

S.Takeuchi, N.Aoi, H.Baba, T.Fukui, Y.Hashimoto, K.Ieki, N.Imai, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, K.Kurita, T.Minemura, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Okumura, T.K.Onishi, S.Ota, H.Sakurai, S.Shimoura, R.Sugou, D.Suzuki, H.Suzuki, M.K.Suzuki, E.Takeshita, M.Tamaki, K.Tanaka, Y.Togano, K.Yamada

Proton inelastic scattering on 32Mg

NUCLEAR REACTIONS H(32Mg, 32Mg'), E=57 MeV/nucleon; measured reaction products, Eγ, Iγ. 32Mg; deduced σ(θ), level energies, J, π, angular momentum. Comparison with DWBA calculations, 40Ar secondary beams.

doi: 10.1088/1742-6596/49/1/033
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2005HA64      Eur.Phys.J. A 25, Supplement 1, 255 (2005)

M.Hatano, H.Sakai, T.Wakui, T.Uesaka, N.Aoi, Y.Ichikawa, T.Ikeda, K.Itoh, H.Iwasaki, T.Kawabata, H.Kuboki, Y.Maeda, N.Matsui, T.Ohnishi, T.K.Onishi, T.Saito, N.Sakamoto, M.Sasano, Y.Satou, K.Sekiguchi, K.Suda, A.Tamii, Y.Yanagisawa, K.Yako

First experiment of 6He with a polarized proton target

NUCLEAR REACTIONS 1H(6He, 6He), E=71 MeV/nucleon; measured σ(θ), analyzing powers; deduced optical model parameters. 6He deduced rms radius. Polarized target. Comparison with model predictions.

doi: 10.1140/epjad/i2005-06-110-5
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2005IW03      Eur.Phys.J. A 25, Supplement 1, 415 (2005)

H.Iwasaki, N.Aoi, S.Takeuchi, S.Ota, H.Sakurai, M.Tamaki, T.K.Onishi, E.Takeshita, H.J.Ong, N.Iwasa, H.Baba, Z.Elekes, T.Fukuchi, Y.Ichikawa, M.Ishihara, S.Kanno, R.Kanungo, S.Kawai, T.Kubo, K.Kurita, S.Michimasa, M.Niikura, A.Saito, Y.Satou, S.Shimoura, H.Suzuki, M.K.Suzuki, Y.Togano, Y.Yanagisawa, T.Motobayashi

Intermediate-energy Coulomb excitation of the neutron-rich Ge isotopes around N = 50

NUCLEAR REACTIONS Pb(76Ge, 76Ge'), (78Ge, 78Ge'), (80Ge, 80Ge'), (82Ge, 82Ge'), E ≈ 40 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 76,78,80,82Ge deduced transitions B(E2).

doi: 10.1140/epjad/i2005-06-154-5
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2005ON03      Phys.Rev. C 72, 024308 (2005)

T.K.Onishi, A.Gelberg, H.Sakurai, K.Yoneda, N.Aoi, N.Imai, H.Baba, P.von Brentano, N.Fukuda, Y.Ichikawa, M.Ishihara, H.Iwasaki, D.Kameda, T.Kishida, A.F.Lisetskiy, H.J.Ong, M.Osada, T.Otsuka, M.K.Suzuki, K.Ue, Y.Utsuno, H.Watanabe

Gamow-Teller decay of the T = 1 nucleus 46Cr

RADIOACTIVITY 46Cr(β+) [from 9Be(50Cr, X)]; measured Eγ, Iγ, γγ-, βγ-coin, T1/2; deduced Gamow-Teller decay branching ratio, B(GT). 46V deduced transitions. Comparison with model predictions.

doi: 10.1103/PhysRevC.72.024308
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2005TA33      Eur.Phys.J. A 25, Supplement 1, 221 (2005)

K.Tanaka, M.Fukuda, M.Mihara, M.Takechi, T.Chinda, T.Sumikama, S.Kudo, K.Matsuta, T.Minamisono, T.Suzuki, T.Ohtubo, T.Izumikawa, S.Momota, T.Yamaguchi, T.Onishi, A.Ozawa, I.Tanihata, T.Zheng

Nucleon density distribution of proton drip-line nucleus 17Ne

NUCLEAR REACTIONS 9Be, 12C, 27Al(17Ne, X), E=42, 62 MeV/nucleon; measured interaction and reaction σ. 17Ne deduced matter density distribution.

doi: 10.1140/epjad/i2005-06-182-1
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2005YA26      Eur.Phys.J. A 25, Supplement 1, 409 (2005)

K.Yamada, T.Motobayashi, N.Aoi, H.Baba, K.Demichi, Z.Elekes, J.Gibelin, T.Gomi, H.Hasegawa, N.Imai, H.Iwasaki, S.Kanno, T.Kubo, K.Kurita, Y.U.Matsuyama, S.Michimasa, T.Minemura, M.Notani, T.K.Onishi, H.J.Ong, S.Ota, A.Ozawa, A.Saito, H.Sakurai, S.Shimoura, E.Takeshita, S.Takeuchi, M.Tamaki, Y.Togano, Y.Yanagisawa, K.Yoneda, I.Tanihata

Reduced transition probabilities for the first 2+ excited state in 46Cr, 50Fe, and 54Ni

NUCLEAR REACTIONS Pb(46Cr, 46Cr'), (50Fe, 50Fe'), (54Ni, 54Ni'), E=41-44 MeV/nucleon; measured σ(θ), Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 46Cr, 50Fe, 54Ni deduced excitation B(E2). DWBA analysis.

doi: 10.1140/epjad/i2005-06-094-0
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2004IM01      Phys.Rev.Lett. 92, 062501 (2004); Comment Phys.Rev.Lett. 94, 199201 (2005)

N.Imai, H.J.Ong, N.Aoi, H.Sakurai, K.Demichi, H.Kawasaki, H.Baba, Zs.Dombradi, Z.Elekes, N.Fukuda, Zs.Fulop, A.Gelberg, T.Gomi, H.Hasegawa, K.Ishikawa, H.Iwasaki, E.Kaneko, S.Kanno, T.Kishida, Y.Kondo, T.Kubo, K.Kurita, S.Michimasa, T.Minemura, M.Miura, T.Motobayashi, T.Nakamura, M.Notani, T.K.Onishi, A.Saito, S.Shimoura, T.Sugimoto, M.K.Suzuki, E.Takeshita, S.Takeuchi, M.Tamaki, K.Yamada, K.Yoneda, H.Watanabe, M.Ishihara

Anomalously Hindered E2 Strength B(E2; 2+1 → O+) in 16C

NUCLEAR REACTIONS 9Be(16C, 16C'), E ≈ 34.6 MeV/nucleon; measured delayed Eγ, Iγ, (particle)γ-coin. 16C level deduced T1/2, B(E2), configuration. Recoil shadow method.

doi: 10.1103/PhysRevLett.92.062501
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2004MO48      Nucl.Phys. A746, 407c (2004)

S.Momota, I.Tanihata, A.Ozawa, M.Notani, K.Yoshida, K.Morimoto, T.Onishi, T.Yamaguchi, A.Yoshida, Y.X.Watanabe, L.Zhong, M.Kanazawa, A.Kitagawa, M.Suda, Y.Nojiri

Momentum distributions and production cross sections of projectile-like fragments

NUCLEAR REACTIONS 9Be(40Ar, X), E=95 MeV/nucleon; 12C, 27Al, 197Au(12C, X), (40Ar, X), E=290 MeV/nucleon; measured projectile-like fragments production σ, momentum distributions.

doi: 10.1016/j.nuclphysa.2004.09.084
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2004TA40      Nucl.Phys. A746, 532c (2004)

K.Tanaka, M.Fukuda, M.Mihara, M.Takechi, T.Chinda, T.Sumikama, S.Kudo, K.Matsuta, T.Minamisono, T.Ohtubo, T.Suzuki, S.Momota, T.Izumikawa, T.Yamaguchi, T.Onishi, A.Ozawa, I.Tanihata, T.Zheng

Density distribution of proton drip-line nucleus 17Ne

NUCLEAR STRUCTURE 17Ne; analyzed data; deduced density distribution, halo features.

doi: 10.1016/j.nuclphysa.2004.09.154
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2002MA43      Nucl.Phys. A704, 98c (2002)

K.Matsuta, T.Minamisono, M.Fukuda, M.Mihara, K.Sato, K.Minamisono, T.Yamaguchi, T.Onishi, T.Miyake, M.Sasaki, M.Tanigaki, T.Ohtsubo, S.Momota, Y.Nojiri, K.Yoshida, A.Ozawa, I.Tanihata, A.Kitagawa, M.Torikoshi, M.Kanazawa, S.Koda, T.Nishio, M.Suda, J.R.Alonso, G.F.Krebs, T.J.M.Symons, S.S.Hanna

Recent Studies on the Nuclear Moments of Light Mirror Nuclei ( T = 1/2, 3/2)

NUCLEAR MOMENTS 9C, 13O, 27Mg, 27Si; measured β-NMR spectra of oriented nuclei; deduced quadrupole moments.

doi: 10.1016/S0375-9474(02)00770-4
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2002NO11      Phys.Lett. 542B, 49 (2002)

M.Notani, H.Sakurai, N.Aoi, Y.Yanagisawa, A.Saito, N.Imai, T.Gomi, M.Miura, S.Michimasa, H.Iwasaki, N.Fukuda, M.Ishihara, T.Kubo, S.Kubono, H.Kumagai, S.M.Lukyanov, T.Motobayashi, T.K.Onishi, Yu.E.Penionzhkevich, S.Shimoura, T.Teranishi, K.Ue, V.Ugryumov, A.Yoshida

New Neutron-Rich Isotopes, 34Ne, 37Na and 43Si, Produced by Fragmentation of a 64 A MeV 48Ca Beam

NUCLEAR REACTIONS Ta(48Ca, X), E=64 MeV/nucleon; measured fragments isotopic yields; deduced evidence for 34Ne, 37Na, 43Si.

doi: 10.1016/S0370-2693(02)02337-7
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1999FU08      Nucl.Phys. A656, 209 (1999)

M.Fukuda, M.Mihara, T.Fukao, S.Fukuda, M.Ishihara, S.Ito, T.Kobayashi, K.Matsuta, T.Minamisono, S.Momota, T.Nakamura, Y.Nojiri, Y.Ogawa, T.Ohtsubo, T.Onishi, A.Ozawa, T.Suzuki, M.Tanigaki, I.Tanihata, K.Yoshida

Density Distribution of 8B Studied via Reaction Cross Sections

NUCLEAR REACTIONS 9Be, 12C, 27Al(8B, X), (7Be, X), E≈ 35, 60 MeV/nucleon; 9Be, 12C, 27Al(6Li, X), E≈ 40 MeV/nucleon; measured interaction, reaction σ. 9Be, 12C, 27Al(8B, 7Be), E≈ 35, 60 MeV/nucleon; measured 1-proton removal σ. 8B deduced rms radius, halo features, density distributions. Glauber model analysis. Secondary beams from 12C fragmentation.

doi: 10.1016/S0375-9474(99)00308-5
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1999MA46      Phys.Lett. 459B, 81 (1999)

K.Matsuta, K.Sato, M.Fukuda, M.Mihara, T.Yamaguchi, M.Sasaki, T.Miyake, K.Minamisono, T.Minamisono, M.Tanigaki, T.Ohtsubo, T.Onishi, Y.Nojiri, S.Momota, S.Fukuda, K.Yoshida, A.Ozawa, T.Kobayashi, I.Tanihata, J.R.Alonso, G.F.Krebs, T.J.M.Symons, H.Kitagawa, H.Sagawa

Quadrupole Moment of the Proton Drip-Line Nuclide 13O

RADIOACTIVITY 13O(β+) [from Be(16O, X)]; measured β-NQR spectrum; deduced quadrupole moment. Comparison with shell model predictions.

doi: 10.1016/S0370-2693(99)00620-6
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1999MB13      Hyperfine Interactions 120/121, 673 (1999)

K.Matsuta, T.Onishi, M.Fukuda, T.Minamisono, H.Akai, M.Sasaki, T.Yamaguchi, T.Miyake, K.Sato, K.Minamisono, F.Ohsumi, Y.Muramoto, S.Oui, C.Ha, K.Tanaka, K.Kidera, A.Morishita, A.Kitagawa, M.Torikoshi, M.Kanazawa, T.Nishio, S.Koda, T.Ohtsubo, S.Fukuda, Y.Nojiri, S.Momota, A.Ozawa, K.Yoshida, T.Suzuki, T.Kobayashi, I.Tanihata, S.S.Hanna, J.R.Alonso, G.F.Krebs, T.J.M.Symons

Electromagnetic moments of short lived β emitters 21F, 23Mg, 27Si and 39Ca

NUCLEAR MOMENTS 21F, 23Mg, 27Si, 39Ca; measured asymmetry change as a function of the frequency; deduced magnetic moments, electrical quadrupole coupling constants. Comparison with OXBASH shell model calculations.

doi: 10.1023/A:1017036009679
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1999MI16      Phys.Lett. 457B, 9 (1999)

T.Minamisono, Y.Nojiri, K.Matsuta, M.Fukuda, K.Sato, M.Tanigaki, A.Morishita, T.Miyake, Y.Matsumoto, T.Onishi, K.Ishiga, F.Ohsumi, H.Kitagawa, H.Sagawa

Electromagnetic Moments of the β-Emitting Nucleus 19O

RADIOACTIVITY 19O(β-) [from 18O(d, p)]; measured β-NMR spectra. 19O deduced μ, Q.

NUCLEAR MOMENTS 19O; measured β-NMR spectra; deduced μ, Q.

doi: 10.1016/S0370-2693(99)00468-2
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1999SA75      Nucl.Phys. (Supplement) A654, 735c (1999)

K.Sato, M.Tanigaki, T.Onishi, M.Fukuda, T.Minamisono, M.Mihara, K.Matsuta, S.Takeda, M.Sasaki, T.Yamaguchi, T.Miyake, K.Minamisono, A.Morishita, F.Osumi, Y.Muramoto, S.Oui, T.Fukao, Y.Matsumoto, T.Ohtsubo, S.Fukuda, Y.Nojiri, S.Momota, K.Yoshida, A.Ozawa, T.Kobayashi, I.Tanihata, A.Kitagawa, M.Torikoshi, H.Sagawa, H.Kitagawa, G.F.Krebs, J.R.Alonso, T.J.M.Symons

Quadrupole Moments of Short-Lived β-Emitters 13, 19O and 21F

RADIOACTIVITY 13O(β+) [from 9Be(16O, X), E=135 MeV/nucleon]; 19O(β-) [from 18O(d, p), E=3.25 MeV]; 21F(β-) [from 9Be(22Ne, X), E=100 MeV/nucleon]; measured β-NQR spectrum in TiO2, MgF2. 13O, 19O, 21F deduced quadrupole moments. Comparison with neighboring nuclei and with theoretical results. Halo effects discussed.

doi: 10.1016/S0375-9474(00)88538-3
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1998MA27      Nucl.Instrum.Methods Phys.Res. A402, 229 (1998)

K.Matsuta, T.Minamisono, Y.Nojiri, M.Fukuda, T.Onishi, K.Minamisono

Creation of Spin Polarization in Unstable Nuclei and Correlation-Type Experiments

RADIOACTIVITY 23Mg(β+) [from projectile fragmentation]; measured βγ-coin, β-ray asymmetry. 12N(β+); 12B(β-); measured β-NMR; deduced alignment correlation terms.

doi: 10.1016/S0168-9002(97)81652-X
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1996MA37      Hyperfine Interactions 97/98, 501 (1996)

K.Matsuta, M.Fukuda, M.Tanigaki, T.Minamisono, Y.Nojiri, H.Akai, T.Izumikawa, M.Nakazato, M.Mihara, T.Yamaguchi, A.Harada, M.Sasaki, T.Miyake, T.Onishi, K.Minamisono, T.Fukao, K.Sato, Y.Matsumoto, T.Ohtsubo, S.Fukuda, K.Yoshida, A.Ozawa, S.Momota, T.Kobayashi, I.Tanihata, J.R.Alonso, G.F.Krebs, T.J.M.Symons

Hyperfine Interactions of 13O and 23Mg Implanted in Pt

RADIOACTIVITY 13O(β+) [from 9Be(16O, X), E=135 MeV/nucleon]; 23Mg(β+) [from 197Au(24Mg, X), E=100 MeV/nucleon]; measured β time spectra, NMR techniques, implantation in Pt; deduced hyperfine interaction, spin relaxation time, Knight shift.

doi: 10.1007/BF02150192
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1996MA38      Hyperfine Interactions 97/98, 519 (1996)

K.Matsuta, T.Minamisono, M.Tanigaki, M.Fukuda, Y.Nojiri, M.Mihara, T.Onishi, T.Yamaguchi, A.Harada, M.Sasaki, T.Miyake, K.Minamisono, T.Fukao, K.Sato, Y.Matsumoto, T.Ohtsubo, S.Fukuda, S.Momota, K.Yoshida, A.Ozawa, T.Kobayashi, I.Tanihata, J.R.Alonso, G.F.Krebs, T.J.M.Symons

Magnetic Moments of Proton Drip-Line Nuclei 13O and 9C

RADIOACTIVITY 13O(β+) [from 9Be(16O, X), E=135 MeV/nucleon]; 9C(β+) [from 12C(12C, X), E=70 MeV/nucleon]; measured β-NMR, polarized sources; deduced μ, spin expectation values.

doi: 10.1007/BF02150194
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1995MA48      Nucl.Phys. A588, 153c (1995)

K.Matsuta, M.Fukuda, M.Tanigaki, T.Minamisono, Y.Nojiri, M.Mihara, T.Onishi, T.Yamaguchi, A.Harada, M.Sasaki, T.Miyake, S.Fukuda, K.Yoshida, A.Ozawa, T.Kobayashi, I.Tanihata, J.R.Alonso, G.F.Krebs, T.J.M.Symons

Magnetic Moment of Proton Drip-Line Nucleus 9C

RADIOACTIVITY 9C(β+) [from 12C(12C, X), E=67 MeV/nucleon]; measured μ; deduced spin expectation value. β-NMR technique, polarized radioactive beam. Model comparison.

doi: 10.1016/0375-9474(95)00115-H
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