Proton branching ratios in 22Mg for X-ray bursts

Kim, S. H.; Chae, K. Y.; Bardayan, D. W.; Blackmon, Jr., Jeff C.; Chipps, Kelly A.; Hatarik, R.; Jones, K. L.; Kim, M. J.; Kozub, R. L.; Liang, J. F.; Matei, C.; Moazen, B. H.; Nesaraja, Caroline D.; O’Malley, P. D.; Pain, Steven D.; Smith, Michael S.

doi:10.1140/epja/s10050-023-01029-0

Proton branching ratios in ²²Mg for X-ray bursts

Journal Article · Tue May 23 00:00:00 EDT 2023 · European Physical Journal. A, Hadrons and Nuclei (Online)

DOI:https://doi.org/10.1140/epja/s10050-023-01029-0· OSTI ID:1976005

Kim, S. H. ^[1]; ^[1]; Bardayan, D. W. ^[2]; Blackmon, Jr., Jeff C. ^[3]; ^[4]; Hatarik, R. ^[5]; Jones, K. L. ^[6]; Kim, M. J. ^[1]; Kozub, R. L. ^[7]; Liang, J. F. ^[8]; Matei, C. ^[9]; Moazen, B. H. ^[6]; ^[8]; O’Malley, P. D. ^[10]; ^[11]; ^[8]

Sungkyunkwan Univ., Suwon (Republic of Korea)
University of Notre Dame, IN (United States)
Louisiana State Univ., Baton Rouge, LA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Colorado School of Mines, Golden, CO (United States); Univ. of Tennessee, Knoxville, TN (United States)
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Rutgers Univ., Piscataway, NJ (United States)
Univ. of Tennessee, Knoxville, TN (United States)
Tennessee Technological Univ., Cookeville, TN (United States)
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Horia Hulubei National Institute for Physics and Nuclear Engineering, Magurele (Romania); Oak Ridge Associated Universities (ORAU), Oak Ridge, TN (United States)
University of Notre Dame, IN (United States); Rutgers Univ., New Brunswick, NJ (United States)
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Rutgers Univ., Piscataway, NJ (United States)

Here, decay protons from ²²Mg energy levels populated through a previously reported ²⁴Mg(p, t)²² Mg transfer reaction (Chae et al. in Phys Rev C 79:055804, 2009) have been analyzed for proton branching ratios as a follow-up analysis. The measurement was performed at the Holifield Radioactive Ion Beam Facility of Oak Ridge National Laboratory by utilizing 41-MeV proton beams and ²⁴Mg solid targets. Decay protons and reaction tritons were simultaneously detected with a silicon detector array. By investigating the ²⁴Mg(p, t)²²Mg*(p)²¹Na channels, the proton branching ratios of five ²²Mg excited states were obtained. The measured branching ratios provide constraints on the proton partial widths of the populated ²²Mg levels, which have implications for X-ray burst nucleosynthesis.

View Accepted Manuscript (DOE)

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE; National Research Foundation of Korea (NRF); Ministry of Science, ICT and Future Planning (MSIT); USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF)

Grant/Contract Number:: AC05-00OR22725; FG52-08NA28552; FG02-96ER40955; FG02-96ER40983

OSTI ID:: 1976005

Journal Information:: European Physical Journal. A, Hadrons and Nuclei (Online), Journal Name: European Physical Journal. A, Hadrons and Nuclei (Online) Journal Issue: 5 Vol. 59; ISSN 1434-601X

Publisher:: Springer NatureCopyright Statement

Country of Publication:: United States

Language:: English

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