Development of large deformation in Cr62

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

doi:10.1103/PhysRevLett.102.012502

Development of large deformation in Cr62

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. KusakaT. 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

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

69 被引用数 (Scopus)

抄録

The structure of neutron-rich isotopes Cr60 and Cr62 was studied via proton inelastic scattering in inverse kinematics. The deformation lengths (δ) for Cr60 and Cr62 were extracted as 1.12(16) and 1.36(14)fm, respectively, providing evidence for enhanced collectivity in these nuclei. An excited state at 1180(10) keV in Cr62 was identified for the first time. We adopted 4+ as its spin and parity, leading to the rapid increase of the Ex(4+)/Ex(2+) ratio, which indicates the development of large deformation in Cr62 near N=40. Importance of the admixture of the gd-shell component above N=40 is also discussed by comparing with a modern shell model calculation.

本文言語	英語
論文番号	012502
ジャーナル	Physical review letters
巻	102
号	1
DOI	https://doi.org/10.1103/PhysRevLett.102.012502
出版ステータス	出版済み - 1月 5 2009
外部発表	はい

!!!All Science Journal Classification (ASJC) codes

物理学および天文学（全般）

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Aoi, N., Takeshita, E., Suzuki, H., Takeuchi, S., Ota, S., Baba, H., Bishop, S., Fukui, T., Hashimoto, Y., Ong, H. J., Ideguchi, E., Ieki, K., Imai, N., Ishihara, M., Iwasaki, H., Kanno, S., Kondo, Y., Kubo, T., Kurita, K., ... Yamada, K. (2009). Development of large deformation in Cr62. Physical review letters, 102(1), [012502]. https://doi.org/10.1103/PhysRevLett.102.012502

Aoi, N, Takeshita, E, Suzuki, H, Takeuchi, S, Ota, S, Baba, H, Bishop, S, Fukui, T, Hashimoto, Y, Ong, HJ, Ideguchi, E, Ieki, K, Imai, N, Ishihara, M, Iwasaki, H, Kanno, S, Kondo, Y, Kubo, T, Kurita, K, Kusaka, K, Minemura, T, Motobayashi, T, Nakabayashi, T, Nakamura, T, Nakao, T, Niikura, M, Okumura, T, Ohnishi, TK, Sakurai, H, Shimoura, S, Sugo, R, Suzuki, D, Suzuki, MK, Tamaki, M, Tanaka, K, Togano, Y & Yamada, K 2009, 'Development of large deformation in Cr62', Physical review letters, vol. 102, no. 1, 012502. https://doi.org/10.1103/PhysRevLett.102.012502

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title = "Development of large deformation in Cr62",

abstract = "The structure of neutron-rich isotopes Cr60 and Cr62 was studied via proton inelastic scattering in inverse kinematics. The deformation lengths (δ) for Cr60 and Cr62 were extracted as 1.12(16) and 1.36(14)fm, respectively, providing evidence for enhanced collectivity in these nuclei. An excited state at 1180(10) keV in Cr62 was identified for the first time. We adopted 4+ as its spin and parity, leading to the rapid increase of the Ex(4+)/Ex(2+) ratio, which indicates the development of large deformation in Cr62 near N=40. Importance of the admixture of the gd-shell component above N=40 is also discussed by comparing with a modern shell model calculation.",

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

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doi = "10.1103/PhysRevLett.102.012502",

language = "English",

volume = "102",

journal = "Physical Review Letters",

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T1 - Development of large deformation in Cr62

AU - Aoi, N.

AU - Takeshita, E.

AU - Suzuki, H.

AU - Takeuchi, S.

AU - Ota, S.

AU - Baba, H.

AU - Bishop, S.

AU - Fukui, T.

AU - Hashimoto, Y.

AU - Ong, H. J.

AU - Ideguchi, E.

AU - Ieki, K.

AU - Imai, N.

AU - Ishihara, M.

AU - Iwasaki, H.

AU - Kanno, S.

AU - Kondo, Y.

AU - Kubo, T.

AU - Kurita, K.

AU - Kusaka, K.

AU - Minemura, T.

AU - Motobayashi, T.

AU - Nakabayashi, T.

AU - Nakamura, T.

AU - Nakao, T.

AU - Niikura, M.

AU - Okumura, T.

AU - Ohnishi, T. K.

AU - Sakurai, H.

AU - Shimoura, S.

AU - Sugo, R.

AU - Suzuki, D.

AU - Suzuki, M. K.

AU - Tamaki, M.

AU - Tanaka, K.

AU - Togano, Y.

AU - Yamada, K.

PY - 2009/1/5

Y1 - 2009/1/5

N2 - The structure of neutron-rich isotopes Cr60 and Cr62 was studied via proton inelastic scattering in inverse kinematics. The deformation lengths (δ) for Cr60 and Cr62 were extracted as 1.12(16) and 1.36(14)fm, respectively, providing evidence for enhanced collectivity in these nuclei. An excited state at 1180(10) keV in Cr62 was identified for the first time. We adopted 4+ as its spin and parity, leading to the rapid increase of the Ex(4+)/Ex(2+) ratio, which indicates the development of large deformation in Cr62 near N=40. Importance of the admixture of the gd-shell component above N=40 is also discussed by comparing with a modern shell model calculation.

AB - The structure of neutron-rich isotopes Cr60 and Cr62 was studied via proton inelastic scattering in inverse kinematics. The deformation lengths (δ) for Cr60 and Cr62 were extracted as 1.12(16) and 1.36(14)fm, respectively, providing evidence for enhanced collectivity in these nuclei. An excited state at 1180(10) keV in Cr62 was identified for the first time. We adopted 4+ as its spin and parity, leading to the rapid increase of the Ex(4+)/Ex(2+) ratio, which indicates the development of large deformation in Cr62 near N=40. Importance of the admixture of the gd-shell component above N=40 is also discussed by comparing with a modern shell model calculation.

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Development of large deformation in Cr62

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