Title: Monopole-Driven Shell Evolution below the Doubly Magic Nucleus Sn-132 Explored with the Long-Lived Isomer in Pd-126
Authors: Watanabe, H ×
Lorusso, G
Nishimura, S
Otsuka, T
Ogawa, K
Xu, Z. Y
Sumikama, T
Soederstroem, P. -A
Doornenbal, P
Li, Z
Browne, F
Gey, G
Jung, H. S
Taprogge, J
Vajta, Zs
Wu, J
Yagi, A
Baba, H
Benzoni, G
Chae, K. Y
Crespi, F. C. L
Fukuda, N
Gernhaeuser, R
Inabe, N
Isobe, T
Jungclaus, A
Kameda, D
Kim, G. D
Kim, Y. K
Kojouharov, I
Kondev, F. G
Kubo, T
Kurz, N
Kwon, Y. K
Lane, G. J
Moon, C. -B
Montaner-Piza, A
Moschner, K
Naqvi, F
Niikura, M
Nishibata, H
Nishimura, D
Odahara, A
Orlandi, Riccardo
Patel, Z
Podolyak, Zs
Sakurai, H
Schaffner, H
Simpson, G. S
Steiger, K
Suzuki, H
Takeda, H
Wendt, A
Yoshinaga, K #
Issue Date: 2014
Series Title: PHYSICAL REVIEW LETTERS vol:113 issue:4 pages:1-6
Abstract: Anewisomer with a half-life of 23.0(8) ms has been identified at 2406 keVin 126Pd and is proposed to have
a spin and parity of 10þ 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 126Ag.The smaller energy difference
between the 10þ and 7− isomers in 126Pd than in the heavier N ¼ 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 132Sn are discussed in terms of the central and tensor forces.
ISSN: 0031-9007
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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