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First observation of the π0h11/2-ν0h9/2 partner orbital configuration in the odd-odd i 138 nucleus

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Title
First observation of the π0h11/2-ν0h9/2 partner orbital configuration in the odd-odd i 138 nucleus
Author(s)
Byul Moon; Gargano, A.; Naidja, H.; Chang Bum Moon; Odahara, A.; Lozeva, R.; Nishimura, S.; Yuan, C.; Browne, F.; Doornenbal, P.; Lorusso, G.; Patel, Z.; Rice, S.; Si, M.; Sinclair, L.; Soderstrom, P.-A.; Sumikama, T.; Watanabe, H.; Wu, J.; Xu, Z.Y.; Yagi, A.; Deuk Soon Ahn; Baba, H.; Bello, Garrote F.L.; Daido, R.; Daugas, J.M.; Didierjean, F.; Fang, Y.; Fukuda, N.; Hong, B.; Ideguchi, E.; Inabe, N.; Ishigaki, T.; Isobe, T.; Jung, H.S.; Kameda, D.; Kojouharov, I.; Komatsubara, T.; Kubo, T.; Young Kwan Kwon; Lee, C.S.; Lee, P.; Morimoto, S.; Murai, D.; Niikura, M.; Nishibata, H.; Nishizuka, I.; Sakurai, H.; Shimizu, Y.; Suzuki, H.; Takeda, H.; K. Tshoo; Yokoyama, R.
Publication Date
2022-03
Journal
Physical Review C, v.105, no.3
Publisher
American Physical Society
Abstract
© 2022 American Physical Society.The β-decay scheme of Te138 and the level structure of I138 is reported for the first time. The experiment was performed at the Radioactive Isotope Beam Factory of RIKEN, as one of the EUROBALL-RIKEN Cluster Array campaigns. Secondary radioactive ions, including Te138 and Sb138, were produced by the in-flight fission of a U238 beam with the energy of 345 MeV per nucleon. From the β decay of Te138, the level scheme of I138 was supplemented with new spin and parity assignments, such as the low-lying negative-parity states and a positive-parity 1+ state. This 1+ state can be interpreted as being associated with the π0h11/2-ν0h9/2 partner orbital configuration populated by the Gamow-Teller transition between a neutron in the 0h9/2 orbital and a proton in the 0h11/2 orbital. Details of the structure of I138 are discussed in terms of the proton-neutron interactions and Gamow-Teller transition strength within the theoretical context of shell-model calculations.
URI
https://pr.ibs.re.kr/handle/8788114/11462
DOI
10.1103/PhysRevC.105.034334
ISSN
2469-9985
Appears in Collections:
Center for Exotic Nuclear Studies(희귀 핵 연구단) > 1. Journal Papers (저널논문)
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