First identification of ⁵⁸Zn β-delayed proton emission

Technical Report · Wed Jan 08 00:00:00 EST 2020

DOI:https://doi.org/10.2172/1593568· OSTI ID:1593568

Ciemny, A. A. ^[1]; Dominik, W. ^[1]; Ginter, T. ^[2]; Grzywacz, R. ^[3]; Janas, Z. ^[1]; Kuich, M. ^[1]; Mazzocchi, C. ^[1]; Pfutzner, M. ^[1]; Pomorski, M. ^[1]; Bazin, D. ^[2]; Baumann, T. ^[2]; Bezbakh, A. ^[4]; Crider, B. P. ^[2]; Cwiok, M. ^[1]; Go, S. ^[5]; Kaminski, G. ^[6]; Kolos, K. ^[7]; Korgul, A. ^[1]; Kwan, E. ^[2]; Liddick, S. ^[2] ; Miernik, K. ^[1]; Paulauskas, S. V. ^[2]; Pereira, J ^[2]; Roginski, T. ^[1]; Rykaczewski, K. ^[8]; Sumithtatachchi, C. ^[2]; Xiao, Y. ^[5]; Schatz, H. ^[2]; Sarriguren, P. ^[9]

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1. Univ. of Warsaw (Poland)
2. Michigan State Univ., East Lansing, MI (United States). National Superconducting Cyclotron Lab.
3. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
4. Joint Inst. for Nuclear Research (JINR), Dubna (Russian Federation)
5. Univ. of Tennessee, Knoxville, TN (United States)
6. Joint Inst. for Nuclear Research (JINR), Dubna (Russian Federation); Univ. of Warsaw (Poland)
7. Univ. of Tennessee, Knoxville, TN (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
8. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
9. Consejo Superior de Investigaciones Cientificas (CSIC), Madrid (Spain). Instituto de Estructura de la Materia

β decay of ⁵⁷Zn and ⁵⁸Zn was investigated in an experiment at the National Superconducting Cyclotron Laboratory at Michigan State University. β-delayed proton emission from ⁵⁸Zn was observed for the first time with a branching ratio of 0.7(1)%. The proton-energy spectrum allowed for investigation of the Gamow-Teller strength distribution above the proton-separation energy in the daughter nucleus. Moreover, the absolute branching ration for delayed-proton emission from ⁵⁷Zn was found to be compatible with 100%.

• Research Organization: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA); National Science Centre of Poland (NCN); USDOE Office of Science (SC), Nuclear Physics (NP); Ministry of Science and Higher Education; National Science Foundation (NSF); Ministry of Science and Innovation (MICIU); Federación Española de Enfermedades Raras (FEDER)
• DOE Contract Number: AC52-07NA27344; UMO-2015/17/B/ST2/00581; AC05-00OR22725; FG02-96ER40983; FC03-03NA00143; FG52-08NA28552; 0079/DIA/2014/43; PHY-1430152; PHY-1102511; PGC2018-093636-B-I00
• OSTI ID: 1593568
• Report Number(s): LLNL-TR-802161; 1004626; TRN: US2102573
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS