High-spin isomer and level structure of 145Sm

A. Odahara; Y. Gono; S. Mitarai; T. Morikawa; T. Shizuma; M. Kidera; M. Shibata; T. Kishida; E. Ideguchi; K. Morita; A. Yoshida; H. Kumagai; Y. H. Zhang; A. Ferragut; T. Murakami; M. Oshima; H. Iimura; S. Hamada; H. Kusakari; M. Sugawara; M. Ogawa; M. Nakajima; B. J. Min; J. C. Kim; S. J. Chae; H. Sagawa

doi:10.1016/S0375-9474(97)00189-9

High-spin isomer and level structure of ¹⁴⁵Sm

A. Odahara, Y. Gono, S. Mitarai, T. Morikawa, T. Shizuma, M. Kidera, M. Shibata, T. Kishida, E. Ideguchi, K. Morita, A. Yoshida, H. Kumagai, Y. H. Zhang, A. Ferragut, T. Murakami, M. Oshima, H. Iimura, S. Hamada, H. Kusakari, M. SugawaraM. Ogawa, M. Nakajima, B. J. Min, J. C. Kim, S. J. Chae, H. Sagawa

研究成果: Contribution to journal › Article › 査読

30 被引用数 (Scopus)

抄録

High-spin states of ¹⁴⁵Sm were studied by using the reactions ²⁰Ne(¹³⁶Xe,α7n), ¹⁶O(¹³⁶Xe,7n), ¹³⁹La(¹⁰B,4n) and ¹³⁸Ba(¹³C,6n). The level scheme was extended up to the state at 14.6 MeV. The excitation energy and the spin-parity of the 0.96 μs high-spin isomer were determined to be 8.8 MeV and (49/2⁺), respectively. Experimental results were discussed comparing with the deformed independent particle model calculation. High-spin isomers observed in N = 83 isotones were interpreted to be caused by the sudden shape change from near spherical to oblate. The Z = 64 shell gap energy was found to decrease from 2.4 to 2.0 MeV as the proton number decreases from Z = 64 to 61.

本文言語	英語
ページ（範囲）	363-384
ページ数	22
ジャーナル	Nuclear Physics A
巻	620
号	3
DOI	https://doi.org/10.1016/S0375-9474(97)00189-9
出版ステータス	出版済み - 7 14 1997
外部発表	はい

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

文献へのアクセス

10.1016/S0375-9474(97)00189-9

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引用スタイル

Odahara, A., Gono, Y., Mitarai, S., Morikawa, T., Shizuma, T., Kidera, M., Shibata, M., Kishida, T., Ideguchi, E., Morita, K., Yoshida, A., Kumagai, H., Zhang, Y. H., Ferragut, A., Murakami, T., Oshima, M., Iimura, H., Hamada, S., Kusakari, H., ... Sagawa, H. (1997). High-spin isomer and level structure of ¹⁴⁵Sm. Nuclear Physics A, 620(3), 363-384. https://doi.org/10.1016/S0375-9474(97)00189-9

High-spin isomer and level structure of ¹⁴⁵Sm. / Odahara, A.; Gono, Y.; Mitarai, S.; Morikawa, T.; Shizuma, T.; Kidera, M.; Shibata, M.; Kishida, T.; Ideguchi, E.; Morita, K.; Yoshida, A.; Kumagai, H.; Zhang, Y. H.; Ferragut, A.; Murakami, T.; Oshima, M.; Iimura, H.; Hamada, S.; Kusakari, H.; Sugawara, M.; Ogawa, M.; Nakajima, M.; Min, B. J.; Kim, J. C.; Chae, S. J.; Sagawa, H.

In: Nuclear Physics A, Vol. 620, No. 3, 14.07.1997, p. 363-384.

研究成果: Contribution to journal › Article › 査読

Odahara, A, Gono, Y, Mitarai, S, Morikawa, T, Shizuma, T, Kidera, M, Shibata, M, Kishida, T, Ideguchi, E, Morita, K, Yoshida, A, Kumagai, H, Zhang, YH, Ferragut, A, Murakami, T, Oshima, M, Iimura, H, Hamada, S, Kusakari, H, Sugawara, M, Ogawa, M, Nakajima, M, Min, BJ, Kim, JC, Chae, SJ & Sagawa, H 1997, 'High-spin isomer and level structure of ¹⁴⁵Sm', Nuclear Physics A, vol. 620, no. 3, pp. 363-384. https://doi.org/10.1016/S0375-9474(97)00189-9

Odahara, A. ; Gono, Y. ; Mitarai, S. ; Morikawa, T. ; Shizuma, T. ; Kidera, M. ; Shibata, M. ; Kishida, T. ; Ideguchi, E. ; Morita, K. ; Yoshida, A. ; Kumagai, H. ; Zhang, Y. H. ; Ferragut, A. ; Murakami, T. ; Oshima, M. ; Iimura, H. ; Hamada, S. ; Kusakari, H. ; Sugawara, M. ; Ogawa, M. ; Nakajima, M. ; Min, B. J. ; Kim, J. C. ; Chae, S. J. ; Sagawa, H. / High-spin isomer and level structure of ¹⁴⁵Sm. In: Nuclear Physics A. 1997 ; Vol. 620, No. 3. pp. 363-384.

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title = "High-spin isomer and level structure of 145Sm",

abstract = "High-spin states of 145Sm were studied by using the reactions 20Ne(136Xe,α7n), 16O(136Xe,7n), 139La(10B,4n) and 138Ba(13C,6n). The level scheme was extended up to the state at 14.6 MeV. The excitation energy and the spin-parity of the 0.96 μs high-spin isomer were determined to be 8.8 MeV and (49/2+), respectively. Experimental results were discussed comparing with the deformed independent particle model calculation. High-spin isomers observed in N = 83 isotones were interpreted to be caused by the sudden shape change from near spherical to oblate. The Z = 64 shell gap energy was found to decrease from 2.4 to 2.0 MeV as the proton number decreases from Z = 64 to 61.",

author = "A. Odahara and Y. Gono and S. Mitarai and T. Morikawa and T. Shizuma and M. Kidera and M. Shibata and T. Kishida and E. Ideguchi and K. Morita and A. Yoshida and H. Kumagai and Zhang, {Y. H.} and A. Ferragut and T. Murakami and M. Oshima and H. Iimura and S. Hamada and H. Kusakari and M. Sugawara and M. Ogawa and M. Nakajima and Min, {B. J.} and Kim, {J. C.} and Chae, {S. J.} and H. Sagawa",

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T1 - High-spin isomer and level structure of 145Sm

AU - Odahara, A.

AU - Gono, Y.

AU - Mitarai, S.

AU - Morikawa, T.

AU - Shizuma, T.

AU - Kidera, M.

AU - Shibata, M.

AU - Kishida, T.

AU - Ideguchi, E.

AU - Morita, K.

AU - Yoshida, A.

AU - Kumagai, H.

AU - Zhang, Y. H.

AU - Ferragut, A.

AU - Murakami, T.

AU - Oshima, M.

AU - Iimura, H.

AU - Hamada, S.

AU - Kusakari, H.

AU - Sugawara, M.

AU - Ogawa, M.

AU - Nakajima, M.

AU - Min, B. J.

AU - Kim, J. C.

AU - Chae, S. J.

AU - Sagawa, H.

PY - 1997/7/14

Y1 - 1997/7/14

N2 - High-spin states of 145Sm were studied by using the reactions 20Ne(136Xe,α7n), 16O(136Xe,7n), 139La(10B,4n) and 138Ba(13C,6n). The level scheme was extended up to the state at 14.6 MeV. The excitation energy and the spin-parity of the 0.96 μs high-spin isomer were determined to be 8.8 MeV and (49/2+), respectively. Experimental results were discussed comparing with the deformed independent particle model calculation. High-spin isomers observed in N = 83 isotones were interpreted to be caused by the sudden shape change from near spherical to oblate. The Z = 64 shell gap energy was found to decrease from 2.4 to 2.0 MeV as the proton number decreases from Z = 64 to 61.

AB - High-spin states of 145Sm were studied by using the reactions 20Ne(136Xe,α7n), 16O(136Xe,7n), 139La(10B,4n) and 138Ba(13C,6n). The level scheme was extended up to the state at 14.6 MeV. The excitation energy and the spin-parity of the 0.96 μs high-spin isomer were determined to be 8.8 MeV and (49/2+), respectively. Experimental results were discussed comparing with the deformed independent particle model calculation. High-spin isomers observed in N = 83 isotones were interpreted to be caused by the sudden shape change from near spherical to oblate. The Z = 64 shell gap energy was found to decrease from 2.4 to 2.0 MeV as the proton number decreases from Z = 64 to 61.

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