Isomer decay spectroscopy of Sm 164 and Gd 166: Midshell collectivity around N=100

Z. Patel; P. A. Söderström; Zs Podolyák; P. H. Regan; P. M. Walker; H. Watanabe; E. Ideguchi; G. S. Simpson; H. L. Liu; S. Nishimura; Q. Wu; F. R. Xu; F. Browne; P. Doornenbal; G. Lorusso; S. Rice; L. Sinclair; T. Sumikama; J. Wu; Z. Y. Xu; N. Aoi; H. Baba; F. L. Bello Garrote; G. Benzoni; R. Daido; Y. Fang; N. Fukuda; G. Gey; S. Go; A. Gottardo; N. Inabe; T. Isobe; D. Kameda; K. Kobayashi; M. Kobayashi; T. Komatsubara; I. Kojouharov; T. Kubo; N. Kurz; I. Kuti; Z. Li; M. Matsushita; S. Michimasa; C. B. Moon; H. Nishibata; I. Nishizuka; A. Odahara; E. Şahin; H. Sakurai; H. Schaffner; H. Suzuki; H. Takeda; M. Tanaka; J. Taprogge; Zs Vajta; A. Yagi; R. Yokoyama

doi:10.1103/PhysRevLett.113.262502

Isomer decay spectroscopy of Sm 164 and Gd 166: Midshell collectivity around N=100

Z. Patel, P. A. Söderström, Zs Podolyák, P. H. Regan, P. M. Walker, H. Watanabe, E. Ideguchi, G. S. Simpson, H. L. Liu, S. Nishimura, Q. Wu, F. R. Xu, F. Browne, P. Doornenbal, G. Lorusso, S. Rice, L. Sinclair, T. Sumikama, J. Wu, Z. Y. XuN. Aoi, H. Baba, F. L. Bello Garrote, G. Benzoni, R. Daido, Y. Fang, N. Fukuda, G. Gey, S. Go, A. Gottardo, N. Inabe, T. Isobe, D. Kameda, K. Kobayashi, M. Kobayashi, T. Komatsubara, I. Kojouharov, T. Kubo, N. Kurz, I. Kuti, Z. Li, M. Matsushita, S. Michimasa, C. B. Moon, H. Nishibata, I. Nishizuka, A. Odahara, E. Şahin, H. Sakurai, H. Schaffner, H. Suzuki, H. Takeda, M. Tanaka, J. Taprogge, Zs Vajta, A. Yagi, R. Yokoyama

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

50 被引用数 (Scopus)

抄録

Excited states in the N=102 isotones Gd166 and Sm164 have been observed following isomeric decay for the first time at RIBF, RIKEN. The half-lives of the isomeric states have been measured to be 950(60) and 600(140) ns for Gd166 and Sm164, respectively. Based on the decay patterns and potential energy surface calculations, including β6 deformation, a spin and parity of 6- has been assigned to the isomeric states in both nuclei. Collective observables are discussed in light of the systematics of the region, giving insight into nuclear shape evolution. The decrease in the ground-band energies of Gd166 and Sm164 (N=102) compared to Gd164 and Sm162 (N=100), respectively, presents evidence for the predicted deformed shell closure at N=100.

本文言語	英語
論文番号	262502
ジャーナル	Physical review letters
巻	113
号	26
DOI	https://doi.org/10.1103/PhysRevLett.113.262502
出版ステータス	出版済み - 12月 22 2014
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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10.1103/PhysRevLett.113.262502

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Patel, Z., Söderström, P. A., Podolyák, Z., Regan, P. H., Walker, P. M., Watanabe, H., Ideguchi, E., Simpson, G. S., Liu, H. L., Nishimura, S., Wu, Q., Xu, F. R., Browne, F., Doornenbal, P., Lorusso, G., Rice, S., Sinclair, L., Sumikama, T., Wu, J., ... Yokoyama, R. (2014). Isomer decay spectroscopy of Sm 164 and Gd 166: Midshell collectivity around N=100. Physical review letters, 113(26), [262502]. https://doi.org/10.1103/PhysRevLett.113.262502

Patel, Z, Söderström, PA, Podolyák, Z, Regan, PH, Walker, PM, Watanabe, H, Ideguchi, E, Simpson, GS, Liu, HL, Nishimura, S, Wu, Q, Xu, FR, Browne, F, Doornenbal, P, Lorusso, G, Rice, S, Sinclair, L, Sumikama, T, Wu, J, Xu, ZY, Aoi, N, Baba, H, Bello Garrote, FL, Benzoni, G, Daido, R, Fang, Y, Fukuda, N, Gey, G, Go, S, Gottardo, A, Inabe, N, Isobe, T, Kameda, D, Kobayashi, K, Kobayashi, M, Komatsubara, T, Kojouharov, I, Kubo, T, Kurz, N, Kuti, I, Li, Z, Matsushita, M, Michimasa, S, Moon, CB, Nishibata, H, Nishizuka, I, Odahara, A, Şahin, E, Sakurai, H, Schaffner, H, Suzuki, H, Takeda, H, Tanaka, M, Taprogge, J, Vajta, Z, Yagi, A & Yokoyama, R 2014, 'Isomer decay spectroscopy of Sm 164 and Gd 166: Midshell collectivity around N=100', Physical review letters, vol. 113, no. 26, 262502. https://doi.org/10.1103/PhysRevLett.113.262502

@article{0b55a581f6d84f0daaef9467474e5d3d,

title = "Isomer decay spectroscopy of Sm 164 and Gd 166: Midshell collectivity around N=100",

abstract = "Excited states in the N=102 isotones Gd166 and Sm164 have been observed following isomeric decay for the first time at RIBF, RIKEN. The half-lives of the isomeric states have been measured to be 950(60) and 600(140) ns for Gd166 and Sm164, respectively. Based on the decay patterns and potential energy surface calculations, including β6 deformation, a spin and parity of 6- has been assigned to the isomeric states in both nuclei. Collective observables are discussed in light of the systematics of the region, giving insight into nuclear shape evolution. The decrease in the ground-band energies of Gd166 and Sm164 (N=102) compared to Gd164 and Sm162 (N=100), respectively, presents evidence for the predicted deformed shell closure at N=100.",

author = "Z. Patel and S{\"o}derstr{\"o}m, {P. A.} and Zs Podoly{\'a}k and Regan, {P. H.} and Walker, {P. M.} and H. Watanabe and E. Ideguchi and Simpson, {G. S.} and Liu, {H. L.} and S. Nishimura and Q. Wu and Xu, {F. R.} and F. Browne and P. Doornenbal and G. Lorusso and S. Rice and L. Sinclair and T. Sumikama and J. Wu and Xu, {Z. Y.} and N. Aoi and H. Baba and {Bello Garrote}, {F. L.} and G. Benzoni and R. Daido and Y. Fang and N. Fukuda and G. Gey and S. Go and A. Gottardo and N. Inabe and T. Isobe and D. Kameda and K. Kobayashi and M. Kobayashi and T. Komatsubara and I. Kojouharov and T. Kubo and N. Kurz and I. Kuti and Z. Li and M. Matsushita and S. Michimasa and Moon, {C. B.} and H. Nishibata and I. Nishizuka and A. Odahara and E. {\c S}ahin and H. Sakurai and H. Schaffner and H. Suzuki and H. Takeda and M. Tanaka and J. Taprogge and Zs Vajta and A. Yagi and R. Yokoyama",

note = "Publisher Copyright: {\textcopyright} 2014 American Physical Society.",

year = "2014",

month = dec,

day = "22",

doi = "10.1103/PhysRevLett.113.262502",

language = "English",

volume = "113",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

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TY - JOUR

T1 - Isomer decay spectroscopy of Sm 164 and Gd 166

T2 - Midshell collectivity around N=100

AU - Patel, Z.

AU - Söderström, P. A.

AU - Podolyák, Zs

AU - Regan, P. H.

AU - Walker, P. M.

AU - Watanabe, H.

AU - Ideguchi, E.

AU - Simpson, G. S.

AU - Liu, H. L.

AU - Nishimura, S.

AU - Wu, Q.

AU - Xu, F. R.

AU - Browne, F.

AU - Doornenbal, P.

AU - Lorusso, G.

AU - Rice, S.

AU - Sinclair, L.

AU - Sumikama, T.

AU - Wu, J.

AU - Xu, Z. Y.

AU - Aoi, N.

AU - Baba, H.

AU - Bello Garrote, F. L.

AU - Benzoni, G.

AU - Daido, R.

AU - Fang, Y.

AU - Fukuda, N.

AU - Gey, G.

AU - Go, S.

AU - Gottardo, A.

AU - Inabe, N.

AU - Isobe, T.

AU - Kameda, D.

AU - Kobayashi, K.

AU - Kobayashi, M.

AU - Komatsubara, T.

AU - Kojouharov, I.

AU - Kubo, T.

AU - Kurz, N.

AU - Kuti, I.

AU - Li, Z.

AU - Matsushita, M.

AU - Michimasa, S.

AU - Moon, C. B.

AU - Nishibata, H.

AU - Nishizuka, I.

AU - Odahara, A.

AU - Şahin, E.

AU - Sakurai, H.

AU - Schaffner, H.

AU - Suzuki, H.

AU - Takeda, H.

AU - Tanaka, M.

AU - Taprogge, J.

AU - Vajta, Zs

AU - Yagi, A.

AU - Yokoyama, R.

PY - 2014/12/22

Y1 - 2014/12/22

N2 - Excited states in the N=102 isotones Gd166 and Sm164 have been observed following isomeric decay for the first time at RIBF, RIKEN. The half-lives of the isomeric states have been measured to be 950(60) and 600(140) ns for Gd166 and Sm164, respectively. Based on the decay patterns and potential energy surface calculations, including β6 deformation, a spin and parity of 6- has been assigned to the isomeric states in both nuclei. Collective observables are discussed in light of the systematics of the region, giving insight into nuclear shape evolution. The decrease in the ground-band energies of Gd166 and Sm164 (N=102) compared to Gd164 and Sm162 (N=100), respectively, presents evidence for the predicted deformed shell closure at N=100.

AB - Excited states in the N=102 isotones Gd166 and Sm164 have been observed following isomeric decay for the first time at RIBF, RIKEN. The half-lives of the isomeric states have been measured to be 950(60) and 600(140) ns for Gd166 and Sm164, respectively. Based on the decay patterns and potential energy surface calculations, including β6 deformation, a spin and parity of 6- has been assigned to the isomeric states in both nuclei. Collective observables are discussed in light of the systematics of the region, giving insight into nuclear shape evolution. The decrease in the ground-band energies of Gd166 and Sm164 (N=102) compared to Gd164 and Sm162 (N=100), respectively, presents evidence for the predicted deformed shell closure at N=100.

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U2 - 10.1103/PhysRevLett.113.262502

DO - 10.1103/PhysRevLett.113.262502

M3 - Article

AN - SCOPUS:84919904385

VL - 113

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 26

M1 - 262502

ER -

Isomer decay spectroscopy of Sm 164 and Gd 166: Midshell collectivity around N=100

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