Gamow-Teller decay of 142Te to 142I

Moon, B.; Moon, C. -b.; Odahara, A.; Lozeva, R.; Nishimura, S.; Yuan, C.; Browne, F.; Doornenbal, P.; Lorusso, G.; Patel, Z.; Rice, S.; Sinclair, L.; Soderstrom, P. -a.; Sumikama, T.; Watanabe, H.; Wu, J.; Xu, Z. Y.; Yagi, A.; Ahn, D. S.; Baba, H.; Garrote, F. L. Bello; 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.; Kwon, Y. K.; Lee, C. S.; Lee, P.; Morimoto, S.; Murai, D.; Niikura, M.; Nishibata, H.; Nishizuka, I.; Sakurai, H.; Shimizu, Y.; Suzuki, H.; Takeda, H.; Tshoo, K.; Yokoyama, R.

doi:10.1103/PhysRevC.107.014311

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Gamow-Teller decay of 142Te to 142I

Moon, B.;
Moon, C. -b.;
Odahara, A.;
Lozeva, R.;
Nishimura, S.;
... Hong, B.;
외 44명

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초록

The beta decay of 142Te90 to 142I89 was investigated for the first time. The parent nucleus was produced by the in-flight fission of a 238U beam with an energy of 345 MeV per nucleon, impinging on a 9Be target at the Radioactive Isotope Beam Factory of RIKEN. Excited states in 142I were established by beta-delayed gamma-ray spectroscopy. The observed (1+) states in 142I could be interpreted to be predominantly the nu 0h9/2 (R) pi 0h11/2 configuration formed by a Gamow-Teller transition between a neutron in the 0h9/2 orbital and a proton in the 0h11/2 orbital. Additional features of the (1+) states are discussed by comparing with neighboring heavier isotones, such as 144Cs and 146La. In the context of deformed shell-model calculations, the (1+1 ) state is closely related to the nu[5, 3, 2]3/2 (R) pi[5, 5, 0]1/2 configuration, which may be related to the weak Gamow-Teller transition strength.

키워드

R-PROCESS; NUCLEAR-STRUCTURE; BETA-DECAY

제목: Gamow-Teller decay of 142Te to 142I

저자: Moon, B.; Moon, C. -b.; Odahara, A.; Lozeva, R.; Nishimura, S.; Yuan, C.; Browne, F.; Doornenbal, P.; Lorusso, G.; Patel, Z.; Rice, S.; Sinclair, L.; Soderstrom, P. -a.; Sumikama, T.; Watanabe, H.; Wu, J.; Xu, Z. Y.; Yagi, A.; Ahn, D. S.; Baba, H.; Garrote, F. L. Bello; 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.; Kwon, Y. K.; Lee, C. S.; Lee, P.; Morimoto, S.; Murai, D.; Niikura, M.; Nishibata, H.; Nishizuka, I.; Sakurai, H.; Shimizu, Y.; Suzuki, H.; Takeda, H.; Tshoo, K.; Yokoyama, R.

DOI: 10.1103/PhysRevC.107.014311

발행일: 2023-01-01

유형: Article

저널명: Physical Review c

권: 107

호: 1