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| Título: | 1p3/2 proton-hole state in Sn 132 and the shell structure along N=82 |
Autor: | Taprogge, J. CSIC ORCID; Jungclaus, Andrea CSIC ORCID; Grawe, H.; Nishimura, S.; Gadea, Andrés CSIC ORCID; Montaner-Pizá, A. CSIC; Podolyák, Zs.; Wendt, A. | Fecha de publicación: | 1-abr-2014 | Editor: | American Physical Society | Citación: | Physical Review Letters 112: 132501 (2014) | Resumen: | A low-lying state in In82131, the one-proton hole nucleus with respect to double magic Sn132, was observed by its γ decay to the Iπ=1/2- β-emitting isomer. We identify the new state at an excitation energy of Ex=1353keV, which was populated both in the β decay of Cd13183 and after β-delayed neutron emission from Cd13284, as the previously unknown πp3/2 single-hole state with respect to the Sn132 core. Exploiting this crucial new experimental information, shell-model calculations were performed to study the structure of experimentally inaccessible N=82 isotones below Sn132. The results evidence a surprising absence of proton subshell closures along the chain of N=82 isotones. The consequences of this finding for the evolution of the N=82 shell gap along the r-process path are discussed. © 2014 American Physical Society. | Descripción: | 5 pags. ; 3 figs. ; PACS numbers: 23.40.-s, 21.10.Pc, 27.60.+j, 21.60.Cs ; Taprogge, J., et al. | URI: | http://hdl.handle.net/10261/109995 | DOI: | 10.1103/PhysRevLett.112.132501 | Identificadores: | issn: 0031-9007 |
| Aparece en las colecciones: | (CFMAC-IEM) Artículos (IFIC) Artículos |
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| Taprogge.pdf | 359,85 kB | Adobe PDF |  Visualizar/Abrir |
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