Universität zu Köln

Chen, Z. Q., Li, Z. H., Hua, H., Watanabe, H., Yuan, C. X., Zhang, S. Q., Lorusso, G., Nishimura, S., Baba, H., Browne, F., Benzoni, G., Chae, K. Y., Crespi, F. C. L., Doornenbal, P., Fukuda, N., Gey, G., Gernhaeuser, R., Inabe, N., Isobe, T., Jiang, D. X., Jungclaus, A., Jung, H. S., Jin, Y., Kameda, D., Kim, G. D., Kim, Y. K., Kojouharov, I., Kondev, F. G., Kubo, T., Kurz, N., Kwon, Y. K., Li, X. Q., Lou, J. L., Lane, G. J., Li, C. G., Luo, D. W., Montaner-Piza, A., Moschner, K., Niu, C. Y., Naqvi, F., Niikura, M., Nishibata, H., Odahara, A., Orlandi, R., Patel, Z., Podolyak, Zs., Sumikama, T., Soderstrom, P. -A., Sakurai, H., Schaffner, H., Simpson, G. S., Steiger, K., Suzuki, H., Taprogge, J., Takeda, H., Vajta, Zs., Wang, H. K., Wu, J., Wendt, A., Wang, C. G., Wu, H. Y., Wang, X., Wu, C. G., Xu, C., Xu, Z. Y., Yagi, A., Ye, Y. L. and Yoshinaga, K. (2019). Proton Shell Evolution below Sn-132: First Measurement of Low-Lying beta-Emitting Isomers in Ag-123,Ag-325. Phys. Rev. Lett., 122 (21). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

The beta-delayed gamma-ray spectroscopy of neutron-rich Ag-123,Ag-325 isotopes is investigated at the Radioactive Isotope Beam Factory of RIKEN, and the long-predicted 1/2(-) beta-emitting isomers in Ag-123,Ag-325 are identified for the first time. With the new experimental results, the systematic trend of energy spacing between the lowest 9/2(+) and 1/2(-) levels is extended in Ag isotopes up to N = 78, providing a clear signal for the reduction of the Z = 40 subshell gap in Ag towards N = 82. Shell-model calculations with the state-of-the-art V-MU plus M3Y spin-orbit interaction give a satisfactory description of the low-lying states in Ag-123,Ag-325. The tensor force is found to play a crucial role in the evolution of the size of the Z = 40 subshell gap. The observed inversion of the single-particle levels around Ag-123 can be well interpreted in terms of the monopole shift of the pi 1g(9/2) orbitals mainly caused by the increasing occupation of nu 1h(11/2) orbitals.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Chen, Z. Q. UNSPECIFIED UNSPECIFIED UNSPECIFIED Li, Z. H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hua, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Watanabe, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Yuan, C. X. UNSPECIFIED UNSPECIFIED UNSPECIFIED Zhang, S. Q. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lorusso, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nishimura, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Baba, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Browne, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Benzoni, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Chae, K. Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED Crespi, F. C. L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Doornenbal, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fukuda, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gey, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gernhaeuser, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Inabe, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Isobe, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jiang, D. X. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jungclaus, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jung, H. S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jin, Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kameda, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kim, G. D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kim, Y. K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kojouharov, I. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kondev, F. G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kubo, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kurz, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kwon, Y. K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Li, X. Q. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lou, J. L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lane, G. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Li, C. G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Luo, D. W. UNSPECIFIED UNSPECIFIED UNSPECIFIED Montaner-Piza, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Moschner, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Niu, C. Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED Naqvi, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Niikura, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nishibata, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Odahara, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Orlandi, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Patel, Z. UNSPECIFIED UNSPECIFIED UNSPECIFIED Podolyak, Zs. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sumikama, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Soderstrom, P. -A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sakurai, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Schaffner, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Simpson, G. S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Steiger, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Suzuki, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Taprogge, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Takeda, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Vajta, Zs. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wang, H. K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wu, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wendt, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wang, C. G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wu, H. Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wang, X. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wu, C. G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Xu, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Xu, Z. Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED Yagi, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ye, Y. L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Yoshinaga, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-147795
DOI:	10.1103/PhysRevLett.122.212502
Journal or Publication Title:	Phys. Rev. Lett.
Volume:	122
Number:	21
Date:	2019
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1079-7114
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language RIKEN; ISOTOPES; IMPACT; DECAY Multiple languages Physics, Multidisciplinary Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/14779