Nuclear Science References (NSR)

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NSR database version of April 11, 2024.

Search: Author = T.Okumura

Found 21 matches.

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.

2013SU20 Phys.Rev. C 88, 024326 (2013)

H.Suzuki, N.Aoi, E.Takeshita, S.Takeuchi, S.Ota, H.Baba, S.Bishop, T.Fukui, Y.Hashimoto, E.Ideguchi, K.Ieki, N.Imai, M.Ishihara, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, K.Kurita, K.Kusaka, T.Minemura, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, M.Niikura, T.Okumura, T.K.Ohnishi, H.J.Ong, H.Sakurai, S.Shimoura, R.Sugo, D.Suzuki, M.K.Suzuki, M.Tamaki, K.Tanaka, Y.Togano, K.Yamada

Collectivity of neutron-rich Ti isotopes

NUCLEAR REACTIONS ¹H(⁵⁸Ti, ⁵⁸Ti'), [secondary ⁵⁸Ti beam from Be(⁷⁰Zn, X), E=63 MeV/nucleon primary reaction], E=42.0 MeV/nucleon; measured particle spectra, time-of-flight, Eγ, Iγ, (particle)γ-, γγ-coin, angle-integrated σ using RIPS separator and DALI2 array of NaI(Tl) detectors at RIBF, RIKEN facility. ⁵⁸Ti; deduced levels, J, π, deformation length of first 2+ state, collectivity. Systematics of energies and deformation lengths of first 2+ states in A=44-62 Ti, Fe and Cr isotopes, comparison with shell-model calculations.

doi: 10.1103/PhysRevC.88.024326
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Data from this article have been entered in the XUNDL database. For more information, click here.

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.

2009AO01 Phys.Rev.Lett. 102, 012502 (2009)

N.Aoi, E.Takeshita, H.Suzuki, S.Takeuchi, S.Ota, H.Baba, S.Bishop, T.Fukui, Y.Hashimoto, H.J.Ong, E.Ideguchi, K.Ieki, N.Imai, M.Ishihara, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, K.Kurita, K.Kusaka, T.Minemura, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, M.Niikura, T.Okumura, T.K.Ohnishi, H.Sakurai, S.Shimoura, R.Sugo, D.Suzuki, M.K.Suzuki, M.Tamaki, K.Tanaka, Y.Togano, K.Yamada

Development of Large Deformation in ⁶²Cr

NUCLEAR REACTIONS ¹H(⁶⁰Cr, ⁶⁰Cr'), E=42 MeV/nucleon; ¹H(⁶²Cr, ⁶²Cr'), E=39 MeV/nucleon; measured Eγ, Iγ, γγ, (particle)γ-coin. ⁶⁰Cr; deduced deformation length. ⁶²Cr; deduced levels, J, π, deformation length.

doi: 10.1103/PhysRevLett.102.012502
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2142. Data from this article have been entered in the XUNDL database. For more information, click here.

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

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 T_z = -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, T_1/2 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.

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. ^{24,26,28,30,32,34}Mg; 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.

2008AO01 Nucl.Phys. A805, 400c (2008)

N.Aoi, H.Suzuki, E.Takeshita, S.Takeuchi, S.Ota, H.Baba, S.Bishop, T.Fukui, Y.Hashimoto, H.J.Ong, E.Ideguchi, K.Ieki, N.Imai, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, K.Kurita, K.Kusaka, T.Minemura, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, M.Niikura, T.Okumura, T.K.Ohnishi, H.Sakurai, S.Shimoura, R.Sugo, D.Suzuki, M.K.Suzuki, M.Tamaki, K.Tanaka, Y.Togano, K.Yamada

Shape transition observed in neutron-rich pf-shell isotopes studied via proton inelastic scattering

NUCLEAR REACTIONS ¹H(⁵⁸Ti, ⁵⁸Ti'), (⁶⁰Cr, ⁶⁰Cr'), (⁶²Cr, ⁶²Cr'), E≈40 MeV/nucleon; measured Eγ, Iγ, γγ-coin. ⁵⁸Ti, ^60,62Cr deduced levels, J, π, deformation lengths. Inverse kinematics.

doi: 10.1016/j.nuclphysa.2008.02.280
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2008EL02 J.Phys.(London) G35, 014038 (2008)

Z.Elekes, Z.Dombradi, N.Aoi, H.Baba, S.Bishop, K.Demichi, Z.Fulop, J.Gibelin, T.Gomi, H.Hasegawa, Y.Hashimoto, N.Imai, M.Ishihara, N.Iwasa, H.Iwasaki, G.Kalinka, S.Kanno, S.Kawai, T.Kishida, Y.Kondo, A.A.Korsheninnikov, T.Kubo, K.Kurita, M.Kurokawa, N.Matsui, Y.Matsuyama, S.Michimasa, T.Minemura, T.Motobayashi, T.Nakamura, T.Nakao, E.Y.Nikolskii, M.Notani, T.K.Ohnishi, T.Okumura, H.J.Ong, S.Ota, A.Ozawa, A.Perera, A.Saito, H.K.Sakai, H.Sakurai, Y.Satou, S.Shimoura, D.Sohler, T.Sumikama, D.Suzuki, M.Suzuki, H.Takeda, E.Takeshita, S.Takeuchi, M.Tamaki, Y.Togano, K.Yamada, Y.Yanagisawa, K.Yoneda

The study of shell closures in light neutron-rich nuclei

NUCLEAR REACTIONS ¹H(²⁸Ne, ²⁷Ne), E≈51.3 MeV/nucleon; ²²O(d, p)²³O, E=34 MeV/nucleon; measured Eγ, Iγ, cross sections. ²⁷Ne, ²³O; deduced levels, J, π, Spectroscopic factors. Compared results to model calculations.

doi: 10.1088/0954-3899/35/1/014038
Citations: PlumX Metrics

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

Lifetime measurements of first excited states in ^{16, 18}C

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, 17}C

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.

2007EL02 Phys.Rev.Lett. 98, 102502 (2007)

Z.Elekes, Zs.Dombradi, N.Aoi, S.Bishop, Zs.Fulop, J.Gibelin, T.Gomi, Y.Hashimoto, N.Imai, N.Iwasa, H.Iwasaki, G.Kalinka, Y.Kondo, A.A.Korsheninnikov, K.Kurita, M.Kurokawa, N.Matsui, T.Motobayashi, T.Nakamura, T.Nakao, E.Yu.Nikolskii, T.K.Ohnishi, T.Okumura, S.Ota, A.Perera, A.Saito, H.Sakurai, Y.Satou, D.Sohler, T.Sumikama, D.Suzuki, M.Suzuki, H.Takeda, S.Takeuchi, Y.Togano, Y.Yanagisawa

Spectroscopic Study of Neutron Shell Closures via Nucleon Transfer in the Near-Dripline Nucleus ²³O

NUCLEAR REACTIONS ²H(²²O, ²³O), E=34 MeV/nucleon; measured excitation energy spectrum. ²³O deduced resonance energies, neutron shell features.

doi: 10.1103/PhysRevLett.98.102502
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2020. Data from this article have been entered in the XUNDL database. For more information, click here.

2006EL05 Phys.Rev. C 74, 017306 (2006)

Search for neutron decoupling in ²²O via the (d, d'γ) reaction

NUCLEAR REACTIONS ²H(²²O, ²²O'), E=34 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, σ(E). ²²O deduced excited state energy, neutron and proton deformations.

doi: 10.1103/PhysRevC.74.017306
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2006EL06 Eur.Phys.J. A 27, Supplement 1, 321 (2006)

Z.Elekes, Zs.Dombradi, S.Bishop, Zs.Fulop, J.Gibelin, T.Gomi, Y.Hashimoto, N.Imai, N.Iwasa, H.Iwasaki, G.Kalinka, Y.Kondo, A.A.Korsheninnikov, K.Kurita, M.Kurokawa, N.Matsui, T.Motobayashi, T.Nakamura, T.Nakao, E.Yu.Nikolskii, T.K.Ohnishi, T.Okumura, S.Ota, A.Perera, A.Saito, H.Sakurai, Y.Satou, D.Sohler, T.Sumikama, D.Suzuki, M.Suzuki, H.Takeda, S.Takeuchi, Y.Togano, Y.Yanagisawa

Testing of the RIKEN-ATOMKI CsI(Tl) array in the study of ^{22, 23}O nuclear structure

NUCLEAR REACTIONS ²H, C(²²O, ²²O'), E=34 MeV/nucleon; measured Eγ, Iγ. ²²O deduced transition.

doi: 10.1140/epja/i2006-08-049-x
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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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