Watanabe, H., Yuan, C. X., Lorusso, G., Nishimura, S., Xu, Z. Y., Sumikama, T., Soderstrom, P-A, Doornenbal, P., Browne, F., Gey, G., Jung, H. S., Taprogge, J., Vajta, Zs, Wang, H. K., Wu, J., Yagi, A., Baba, H., Benzoni, G., Chae, K. Y., Crespi, F. C. L., Fukuda, N., Gernhauser, 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., Li, Z., Moon, C-B, Montaner-Piza, A., Moschner, K., Naqvi, F., Niikura, M., Nishibata, H., Nishimura, D., Odahara, A., Orlandi, R., Patel, Z., Podolyak, Zs, Sakurai, H., Schaffner, H., Simpson, G. S., Steiger, K., Suzuki, H., Takeda, H., Wendt, A. and Yoshinaga, K. (2021). Impact of shell evolution on Gamow-Teller beta decay from a high-spin long-lived isomer in Ag-127. Phys. Lett. B, 823. AMSTERDAM: ELSEVIER. ISSN 1873-2445

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Abstract

The change of the shell structure in atomic nuclei, so-called nuclear shell evolution, occurs due to changes of major configurations through particle-hole excitations inside one nucleus, as well as due to variation of the number of constituent protons or neutrons. We have investigated how the shell evolution affects Gamow-Teller (GT) transitions that dominate the beta decay in the region below Sn-132 using the newly obtained experimental data on a long-lived isomer in Ag-127. The T-1/2 = 67.5(9) ms isomer has been identified with a spin and parity of (27/2(+)) at an excitation energy of 1942(-20)(+14) keV, and found to decay via an internal transition of an E3 character, which competes with the dominant beta-decay branches towards the high-spin states in Cd-127. The underlying mechanism of a strong GT transition from the Ag-127 isomer is discussed in terms of configuration-dependent optimization of the effective single-particle energies in the framework of a shell-model approach. (C) 2021 The Authors. Published by Elsevier B.V.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Watanabe, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yuan, C. X.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lorusso, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nishimura, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Xu, Z. Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sumikama, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Soderstrom, P-AUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Doornenbal, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Browne, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gey, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jung, H. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Taprogge, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vajta, ZsUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wang, H. K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wu, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yagi, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Baba, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Benzoni, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chae, K. Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Crespi, F. C. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fukuda, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gernhauser, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Inabe, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Isobe, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jungclaus, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kameda, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kim, G. D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kim, Y. K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kojouharov, IUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kondev, F. G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kubo, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kurz, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kwon, Y. K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lane, G. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Li, Z.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Moon, C-BUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Montaner-Piza, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Moschner, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Naqvi, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Niikura, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nishibata, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nishimura, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Odahara, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Orlandi, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Patel, Z.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Podolyak, ZsUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sakurai, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schaffner, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Simpson, G. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Steiger, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Suzuki, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Takeda, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wendt, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yoshinaga, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-607757
DOI: 10.1016/j.physletb.2021.136766
Journal or Publication Title: Phys. Lett. B
Volume: 823
Date: 2021
Publisher: ELSEVIER
Place of Publication: AMSTERDAM
ISSN: 1873-2445
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
NEUTRON; ELEMENTSMultiple languages
Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & FieldsMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/60775

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