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Title: β -delayed neutron emission from Ga 85

Abstract

Here, decay of 85Ga was studied by means of β-neutron-γ spectroscopy. A pure beam of 85Ga was produced at the Holifield Radioactive Ion Beam Facility using a resonance ionization laser ion source and a high-resolution electromagnetic separator. The β-delayed neutron emission probability was measured for the first time, yielding 70(5)%. An upper limit of 0.1% for β-delayed two-neutron emission was also experimentally established for the first time. A detailed decay scheme including absolute γ-ray intensities was obtained. Lastly, results are compared with theoretical β-delayed emission models.

Authors:
 [1]; ORCiD logo [2]; ORCiD logo [3];  [2];  [4];  [4]; ORCiD logo [2];  [5];  [6];  [1];  [1];  [7]; ORCiD logo [2];  [4];  [8];  [9];  [10]
  1. Univ. of Warsaw (Poland)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States); Joint Institute for Nuclear Physics and Application, Oak Ridge, TN (United States)
  4. Univ. of Tennessee, Knoxville, TN (United States)
  5. Univ. of California, Berkeley, CA (United States)
  6. Vanderbilt Univ., Nashville, TN (United States)
  7. Campbell University, Buies Creek, NC (United States)
  8. Mississippi State Univ., Mississippi State, MS (United States)
  9. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Joint Institute for Nuclear Physics and Application, Oak Ridge, TN (United States); Univ. of Warsaw (Poland)
  10. Louisiana State Univ., Baton Rouge, LA (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:
1528700
Alternate Identifier(s):
OSTI ID: 1437210
Grant/Contract Number:  
AC05-00OR22725; FG02-96ER40983; FG05-88ER40407; SC00144448; AC05-06OR23100; AC02-05CH11231; NA0002132; FG-05-88ER40407; SC00-144448
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 97; Journal Issue: 5; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Miernik, Krzysztof, Rykaczewski, Krzysztof P., Grzywacz, Robert Kazimierz, Gross, C. J., Madurga, M., Miller, D., Stracener, Dan W., Batchelder, J. C., Brewer, Nathan T., Korgul, A., Mazzocchi, C., Mendez, A. J., Liu, Yuans, Paulauskas, S. V., Winger, J. A., Wolińska-Cichocka, M., and Zganjar, E. F. β -delayed neutron emission from Ga85. United States: N. p., 2018. Web. doi:10.1103/PhysRevC.97.054317.
Miernik, Krzysztof, Rykaczewski, Krzysztof P., Grzywacz, Robert Kazimierz, Gross, C. J., Madurga, M., Miller, D., Stracener, Dan W., Batchelder, J. C., Brewer, Nathan T., Korgul, A., Mazzocchi, C., Mendez, A. J., Liu, Yuans, Paulauskas, S. V., Winger, J. A., Wolińska-Cichocka, M., & Zganjar, E. F. β -delayed neutron emission from Ga85. United States. doi:10.1103/PhysRevC.97.054317.
Miernik, Krzysztof, Rykaczewski, Krzysztof P., Grzywacz, Robert Kazimierz, Gross, C. J., Madurga, M., Miller, D., Stracener, Dan W., Batchelder, J. C., Brewer, Nathan T., Korgul, A., Mazzocchi, C., Mendez, A. J., Liu, Yuans, Paulauskas, S. V., Winger, J. A., Wolińska-Cichocka, M., and Zganjar, E. F. Tue . "β -delayed neutron emission from Ga85". United States. doi:10.1103/PhysRevC.97.054317. https://www.osti.gov/servlets/purl/1528700.
@article{osti_1528700,
title = {β -delayed neutron emission from Ga85},
author = {Miernik, Krzysztof and Rykaczewski, Krzysztof P. and Grzywacz, Robert Kazimierz and Gross, C. J. and Madurga, M. and Miller, D. and Stracener, Dan W. and Batchelder, J. C. and Brewer, Nathan T. and Korgul, A. and Mazzocchi, C. and Mendez, A. J. and Liu, Yuans and Paulauskas, S. V. and Winger, J. A. and Wolińska-Cichocka, M. and Zganjar, E. F.},
abstractNote = {Here, decay of 85Ga was studied by means of β-neutron-γ spectroscopy. A pure beam of 85Ga was produced at the Holifield Radioactive Ion Beam Facility using a resonance ionization laser ion source and a high-resolution electromagnetic separator. The β-delayed neutron emission probability was measured for the first time, yielding 70(5)%. An upper limit of 0.1% for β-delayed two-neutron emission was also experimentally established for the first time. A detailed decay scheme including absolute γ-ray intensities was obtained. Lastly, results are compared with theoretical β-delayed emission models.},
doi = {10.1103/PhysRevC.97.054317},
journal = {Physical Review C},
number = 5,
volume = 97,
place = {United States},
year = {2018},
month = {5}
}

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