β -decay properties of the very neutron-rich isotopes Ge 86 and As 86

C. Mazzocchi, K. P. Rykaczewski, R. Grzywacz, P. Baczyk, C. R. Bingham, N. T. Brewer, C. J. Gross, C. Jost, M. Karny, A. Korgul, M. Madurga, A. J. Mendez, K. Miernik, D. Miller, S. Padgett, S. V. Paulauskas, A. A. Sonzogni, D. W. Stracener, M. Wolińska-Cichocka

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Abstract

The β-decay properties of very neutron rich nuclei Ge86 and As86 were measured at the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory. Spectroscopic information on new excited states in As86 and in Se86 was obtained and is interpreted within an advanced shell model approach. These calculations, previously explaining well the structure of Ge84 and Ge85, are not able to reproduce all the experimentally determined features of the measured level schemes of As86 and Se86. The Gamow-Teller decay of Ge86 and As86 is also investigated in a shell-model framework. The fission yield for Ge86 is discussed.

Original languageEnglish
Article number054317
JournalPhysical Review C - Nuclear Physics
Volume92
Issue number5
DOIs
StatePublished - Nov 19 2015

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