Monopole-driven shell evolution below the doubly magic nucleus Sn 132 explored with the long-lived isomer in Pd 126

H. Watanabe; G. Lorusso; S. Nishimura; T. Otsuka; K. Ogawa; Z. Y. Xu; T. Sumikama; P. A. Söderström; P. Doornenbal; Z. Li; F. Browne; G. Gey; H. S. Jung; J. Taprogge; Zs Vajta; J. Wu; A. Yagi; H. Baba; G. Benzoni; K. Y. Chae; F. C.L. Crespi; N. Fukuda; R. Gernhäuser; N. Inabe; T. Isobe; A. Jungclaus; D. Kameda; G. D. Kim; Y. K. Kim; I. Kojouharov; F. G. Kondev; T. Kubo; N. Kurz; Y. K. Kwon; G. J. Lane; C. B. Moon; A. Montaner-Pizá; K. Moschner; F. Naqvi; M. Niikura; H. Nishibata; D. Nishimura; A. Odahara; R. Orlandi; Z. Patel; Zs Podolyák; H. Sakurai; H. Schaffner; G. S. Simpson; K. Steiger; H. Suzuki; H. Takeda; A. Wendt; K. Yoshinaga

doi:10.1103/PhysRevLett.113.042502

Monopole-driven shell evolution below the doubly magic nucleus Sn 132 explored with the long-lived isomer in Pd 126

H. Watanabe, G. Lorusso, S. Nishimura, T. Otsuka, K. Ogawa, Z. Y. Xu, T. Sumikama, P. A. Söderström, P. Doornenbal, Z. Li, F. Browne, G. Gey, H. S. Jung, J. Taprogge, Zs Vajta, J. Wu, A. Yagi, H. Baba, G. Benzoni, K. Y. ChaeF. C.L. Crespi, N. Fukuda, R. Gernhäuser, N. Inabe, T. Isobe, A. Jungclaus, D. Kameda, G. D. Kim, Y. K. Kim, I. Kojouharov, F. G. Kondev, T. Kubo, N. Kurz, Y. K. Kwon, G. J. Lane, C. B. Moon, A. Montaner-Pizá, K. Moschner, F. Naqvi, M. Niikura, H. Nishibata, D. Nishimura, A. Odahara, R. Orlandi, Z. Patel, Zs Podolyák, H. Sakurai, H. Schaffner, G. S. Simpson, K. Steiger, H. Suzuki, H. Takeda, A. Wendt, K. Yoshinaga

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Abstract

A new isomer with a half-life of 23.0(8) ms has been identified at 2406 keV in Pd126 and is proposed to have a spin and parity of 10+ with a maximally aligned configuration comprising two neutron holes in the 1h11/2 orbit. In addition to an internal-decay branch through a hindered electric octupole transition, β decay from the long-lived isomer was observed to populate excited states at high spins in Ag126. The smaller energy difference between the 10+ and 7- isomers in Pd126 than in the heavier N=80 isotones can be interpreted as being ascribed to the monopole shift of the 1h11/2 neutron orbit. The effects of the monopole interaction on the evolution of single-neutron energies below Sn132 are discussed in terms of the central and tensor forces.

Original language	English
Article number	042502
Journal	Physical review letters
Volume	113
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevLett.113.042502
Publication status	Published - Jul 25 2014
Externally published	Yes

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Physics and Astronomy(all)

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10.1103/PhysRevLett.113.042502

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Watanabe, H., Lorusso, G., Nishimura, S., Otsuka, T., Ogawa, K., Xu, Z. Y., Sumikama, T., Söderström, P. A., Doornenbal, P., Li, Z., Browne, F., Gey, G., Jung, H. S., Taprogge, J., Vajta, Z., Wu, J., Yagi, A., Baba, H., Benzoni, G., ... Yoshinaga, K. (2014). Monopole-driven shell evolution below the doubly magic nucleus Sn 132 explored with the long-lived isomer in Pd 126. Physical review letters, 113(4), Article 042502. https://doi.org/10.1103/PhysRevLett.113.042502

Watanabe, H, Lorusso, G, Nishimura, S, Otsuka, T, Ogawa, K, Xu, ZY, Sumikama, T, Söderström, PA, Doornenbal, P, Li, Z, Browne, F, Gey, G, Jung, HS, Taprogge, J, Vajta, Z, Wu, J, Yagi, A, Baba, H, Benzoni, G, Chae, KY, Crespi, FCL, Fukuda, N, Gernhäuser, R, Inabe, N, Isobe, T, Jungclaus, A, Kameda, D, Kim, GD, Kim, YK, Kojouharov, I, Kondev, FG, Kubo, T, Kurz, N, Kwon, YK, Lane, GJ, Moon, CB, Montaner-Pizá, A, Moschner, K, Naqvi, F, Niikura, M, Nishibata, H, Nishimura, D, Odahara, A, Orlandi, R, Patel, Z, Podolyák, Z, Sakurai, H, Schaffner, H, Simpson, GS, Steiger, K, Suzuki, H, Takeda, H, Wendt, A & Yoshinaga, K 2014, 'Monopole-driven shell evolution below the doubly magic nucleus Sn 132 explored with the long-lived isomer in Pd 126', Physical review letters, vol. 113, no. 4, 042502. https://doi.org/10.1103/PhysRevLett.113.042502

@article{2802df2d9de2446ea55f23f8fe587d03,

title = "Monopole-driven shell evolution below the doubly magic nucleus Sn 132 explored with the long-lived isomer in Pd 126",

abstract = "A new isomer with a half-life of 23.0(8) ms has been identified at 2406 keV in Pd126 and is proposed to have a spin and parity of 10+ with a maximally aligned configuration comprising two neutron holes in the 1h11/2 orbit. In addition to an internal-decay branch through a hindered electric octupole transition, β decay from the long-lived isomer was observed to populate excited states at high spins in Ag126. The smaller energy difference between the 10+ and 7- isomers in Pd126 than in the heavier N=80 isotones can be interpreted as being ascribed to the monopole shift of the 1h11/2 neutron orbit. The effects of the monopole interaction on the evolution of single-neutron energies below Sn132 are discussed in terms of the central and tensor forces.",

author = "H. Watanabe and G. Lorusso and S. Nishimura and T. Otsuka and K. Ogawa and Xu, {Z. Y.} and T. Sumikama and S{\"o}derstr{\"o}m, {P. A.} and P. Doornenbal and Z. Li and F. Browne and G. Gey and Jung, {H. S.} and J. Taprogge and Zs Vajta and J. Wu and A. Yagi and H. Baba and G. Benzoni and Chae, {K. Y.} and Crespi, {F. C.L.} and N. Fukuda and R. Gernh{\"a}user and N. Inabe and T. Isobe and A. Jungclaus and D. Kameda and Kim, {G. D.} and Kim, {Y. K.} and I. Kojouharov and Kondev, {F. G.} and T. Kubo and N. Kurz and Kwon, {Y. K.} and Lane, {G. J.} and Moon, {C. B.} and A. Montaner-Piz{\'a} and K. Moschner and F. Naqvi and M. Niikura and H. Nishibata and D. Nishimura and A. Odahara and R. Orlandi and Z. Patel and Zs Podoly{\'a}k and H. Sakurai and H. Schaffner and Simpson, {G. S.} and K. Steiger and H. Suzuki and H. Takeda and A. Wendt and K. Yoshinaga",

year = "2014",

month = jul,

day = "25",

doi = "10.1103/PhysRevLett.113.042502",

language = "English",

volume = "113",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

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T1 - Monopole-driven shell evolution below the doubly magic nucleus Sn 132 explored with the long-lived isomer in Pd 126

AU - Watanabe, H.

AU - Lorusso, G.

AU - Nishimura, S.

AU - Otsuka, T.

AU - Ogawa, K.

AU - Xu, Z. Y.

AU - Sumikama, T.

AU - Söderström, P. A.

AU - Doornenbal, P.

AU - Li, Z.

AU - Browne, F.

AU - Gey, G.

AU - Jung, H. S.

AU - Taprogge, J.

AU - Vajta, Zs

AU - Wu, J.

AU - Yagi, A.

AU - Baba, H.

AU - Benzoni, G.

AU - Chae, K. Y.

AU - Crespi, F. C.L.

AU - Fukuda, N.

AU - Gernhäuser, R.

AU - Inabe, N.

AU - Isobe, T.

AU - Jungclaus, A.

AU - Kameda, D.

AU - Kim, G. D.

AU - Kim, Y. K.

AU - Kojouharov, I.

AU - Kondev, F. G.

AU - Kubo, T.

AU - Kurz, N.

AU - Kwon, Y. K.

AU - Lane, G. J.

AU - Moon, C. B.

AU - Montaner-Pizá, A.

AU - Moschner, K.

AU - Naqvi, F.

AU - Niikura, M.

AU - Nishibata, H.

AU - Nishimura, D.

AU - Odahara, A.

AU - Orlandi, R.

AU - Patel, Z.

AU - Podolyák, Zs

AU - Sakurai, H.

AU - Schaffner, H.

AU - Simpson, G. S.

AU - Steiger, K.

AU - Suzuki, H.

AU - Takeda, H.

AU - Wendt, A.

AU - Yoshinaga, K.

PY - 2014/7/25

Y1 - 2014/7/25

N2 - A new isomer with a half-life of 23.0(8) ms has been identified at 2406 keV in Pd126 and is proposed to have a spin and parity of 10+ with a maximally aligned configuration comprising two neutron holes in the 1h11/2 orbit. In addition to an internal-decay branch through a hindered electric octupole transition, β decay from the long-lived isomer was observed to populate excited states at high spins in Ag126. The smaller energy difference between the 10+ and 7- isomers in Pd126 than in the heavier N=80 isotones can be interpreted as being ascribed to the monopole shift of the 1h11/2 neutron orbit. The effects of the monopole interaction on the evolution of single-neutron energies below Sn132 are discussed in terms of the central and tensor forces.

AB - A new isomer with a half-life of 23.0(8) ms has been identified at 2406 keV in Pd126 and is proposed to have a spin and parity of 10+ with a maximally aligned configuration comprising two neutron holes in the 1h11/2 orbit. In addition to an internal-decay branch through a hindered electric octupole transition, β decay from the long-lived isomer was observed to populate excited states at high spins in Ag126. The smaller energy difference between the 10+ and 7- isomers in Pd126 than in the heavier N=80 isotones can be interpreted as being ascribed to the monopole shift of the 1h11/2 neutron orbit. The effects of the monopole interaction on the evolution of single-neutron energies below Sn132 are discussed in terms of the central and tensor forces.

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DO - 10.1103/PhysRevLett.113.042502

M3 - Article

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VL - 113

JO - Physical review letters

JF - Physical review letters

IS - 4

M1 - 042502

ER -

Monopole-driven shell evolution below the doubly magic nucleus Sn 132 explored with the long-lived isomer in Pd 126

Abstract

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