Experimental study of $\beta$ and $\beta \text{-}n$ decay of the neutron-rich $N=54$ isotone ${}^{87}\mathrm{As}$

Journal Article · Mon Nov 23 00:00:00 EST 2015 · Physical Review. C, Nuclear Physics

DOI:https://doi.org/10.1103/PhysRevC.92.054318· OSTI ID:1341548

Korgul, A. ^[1]; Rykaczewski, Krzysztof Piotr ^[2]; Grzywacz, R. ^[3]; Bingham, C. R. ^[3]; Brewer, Nathan T. ^[4]; Ciemny, A. A. ^[1]; Gross, Carl J. ^[2]; Jost, C. ^[5]; Karny, M. ^[6]; Madurga, M. ^[5]; Mazzocchi, C. ^[1]; Mendez, A. J. ^[2]; Miernik, K. ^[7]; Miller, D. ^[5]; Padgett, S. ^[5]; Paulauskas, S. V. ^[5]; Stracener, D. W. ^[2]; Wolińska-Cichocka, M. ^[8]

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1. Univ. of Warsaw (Poland). Faculty of Physics
2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Physics Division
3. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physics and Astronomy; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Physics Division
4. Vanderbilt Univ., Nashville, TN (United States). Department of Physics and Astronomy
5. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physics and Astronomy
6. Univ. of Warsaw (Poland). Faculty of Physics; Oak Ridge Associated Univ., Oak Ridge, TN (United States)
7. Univ. of Warsaw (Poland). Faculty of Physics; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Physics Division
8. Univ. of Warsaw (Poland). Heavy Ion Laboratory; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Physics Division ; Oak Ridge Associated Univ., Oak Ridge, TN (United States)

The β-decay properties of neutron-rich ⁸⁷As produced in the proton-induced fission of ²³⁸U were studied at the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory. The low-energy excited states in N = 53 ⁸⁷Se and N = 52 ⁸⁶Se were identified through β - γ and β-delayed neutron-γ decay of ⁸⁷As , respectively. In conclusion, the experimental systematics of low-energy levels of N = 53 isotones, Z = 34 ⁸⁷Se, and Z = 32 ⁸⁵Ge, and along with an analysis of shell-model calculations, allow us to discuss the main features of excited states expected for the next N = 53 isotone, ⁸³Zn .

• Research Organization: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Nuclear Physics (NP)
• Grant/Contract Number: AC05-00OR22725; FG02-96ER41006; FG02-96ER40983; AC05-06OR23100; FG05-88ER40407; FG02-96ER40978; FC03-03NA00143; DEFC03-03NA00143
• OSTI ID: 1341548
• Alternate ID(s): OSTI ID: 1226856
• Journal Information: Physical Review. C, Nuclear Physics, Vol. 92, Issue 5; ISSN 0556-2813
• Publisher: American Physical Society (APS)
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS