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Title: Experimental study of β and β - n decay of the neutron-rich N = 54 isotone As 87

Abstract

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 .

Authors:
 [1];  [2];  [3];  [3];  [4];  [1];  [2];  [5];  [6];  [5];  [1];  [2];  [7];  [5];  [5];  [5];  [2];  [8]
  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)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1341548
Alternate Identifier(s):
OSTI ID: 1226856
Grant/Contract Number:  
AC05-00OR22725; FG02-96ER41006; FG02-96ER40983; AC05-06OR23100; FG05-88ER40407; FG02-96ER40978; FC03-03NA00143; DEFC03-03NA00143
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review. C, Nuclear Physics
Additional Journal Information:
Journal Volume: 92; Journal Issue: 5; Journal ID: ISSN 0556-2813
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Korgul, A., Rykaczewski, Krzysztof Piotr, Grzywacz, R., Bingham, C. R., Brewer, Nathan T., Ciemny, A. A., Gross, Carl J., Jost, C., Karny, M., Madurga, M., Mazzocchi, C., Mendez, A. J., Miernik, K., Miller, D., Padgett, S., Paulauskas, S. V., Stracener, D. W., and Wolińska-Cichocka, M. Experimental study of β and β-n decay of the neutron-rich N=54 isotone As87. United States: N. p., 2015. Web. doi:10.1103/PhysRevC.92.054318.
Korgul, A., Rykaczewski, Krzysztof Piotr, Grzywacz, R., Bingham, C. R., Brewer, Nathan T., Ciemny, A. A., Gross, Carl J., Jost, C., Karny, M., Madurga, M., Mazzocchi, C., Mendez, A. J., Miernik, K., Miller, D., Padgett, S., Paulauskas, S. V., Stracener, D. W., & Wolińska-Cichocka, M. Experimental study of β and β-n decay of the neutron-rich N=54 isotone As87. United States. https://doi.org/10.1103/PhysRevC.92.054318
Korgul, A., Rykaczewski, Krzysztof Piotr, Grzywacz, R., Bingham, C. R., Brewer, Nathan T., Ciemny, A. A., Gross, Carl J., Jost, C., Karny, M., Madurga, M., Mazzocchi, C., Mendez, A. J., Miernik, K., Miller, D., Padgett, S., Paulauskas, S. V., Stracener, D. W., and Wolińska-Cichocka, M. Mon . "Experimental study of β and β-n decay of the neutron-rich N=54 isotone As87". United States. https://doi.org/10.1103/PhysRevC.92.054318. https://www.osti.gov/servlets/purl/1341548.
@article{osti_1341548,
title = {Experimental study of β and β-n decay of the neutron-rich N=54 isotone As87},
author = {Korgul, A. and Rykaczewski, Krzysztof Piotr and Grzywacz, R. and Bingham, C. R. and Brewer, Nathan T. and Ciemny, A. A. and Gross, Carl J. and Jost, C. and Karny, M. and Madurga, M. and Mazzocchi, C. and Mendez, A. J. and Miernik, K. and Miller, D. and Padgett, S. and Paulauskas, S. V. and Stracener, D. W. and Wolińska-Cichocka, M.},
abstractNote = {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 .},
doi = {10.1103/PhysRevC.92.054318},
url = {https://www.osti.gov/biblio/1341548}, journal = {Physical Review. C, Nuclear Physics},
issn = {0556-2813},
number = 5,
volume = 92,
place = {United States},
year = {2015},
month = {11}
}

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Cited by: 2 works
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Figures / Tables:

Figure 1 Figure 1: Portions of the β-gated γ-ray spectrum from 0 to 800 keV (a) and from 800 to 1600 keV (b) obtained at mass A = 87. The strongest transitions belonging to the βγ and β- nγ decay of 87As are labeled.

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Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.