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Title: Global description of $β$ decay with the axially deformed Skyrme finite-amplitude method: Extension to odd-mass and odd-odd nuclei

Abstract

Here we use the finite-amplitude method (FAM), an efficient implementation of the quasiparticle random phase approximation, to compute $β$-decay rates with Skyrme energy-density functionals for 3983 nuclei, essentially all the medium-mass and heavy isotopes on the neutron-rich side of stability. We employ an extension of the FAM that treats odd-mass and odd-odd nuclear ground states in the equal filling approximation. Our rates are in reasonable agreement both with experimental data where available and with rates from other global calculations.

Authors:
 [1]; ORCiD logo [1];  [2];  [3]
  1. Univ. of North Carolina, Chapel Hill, NC (United States). Dept. of Physics and Astronomy
  2. Michigan State Univ., East Lansing, MI (United States). Dept. of Physics and Astronomy and National Superconducting Cyclotron Lab.
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States). Nuclear and Chemical Science Division
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1668508
Report Number(s):
LLNL-JRNL-810763
Journal ID: ISSN 2469-9985; 1017424
Grant/Contract Number:  
AC52-07NA27344; SC0018223
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 102; Journal Issue: 3; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
beta decay; electromagnetic transitions; lifetimes & widths; nuclear density functional theory; nuclear many-body theory; nuclear structure & decays; nucleosynthesis in explosive environments

Citation Formats

Ney, E. M., Engel, J., Li, T., and Schunck, N. Global description of $β$– decay with the axially deformed Skyrme finite-amplitude method: Extension to odd-mass and odd-odd nuclei. United States: N. p., 2020. Web. doi:10.1103/physrevc.102.034326.
Ney, E. M., Engel, J., Li, T., & Schunck, N. Global description of $β$– decay with the axially deformed Skyrme finite-amplitude method: Extension to odd-mass and odd-odd nuclei. United States. doi:10.1103/physrevc.102.034326.
Ney, E. M., Engel, J., Li, T., and Schunck, N. Mon . "Global description of $β$– decay with the axially deformed Skyrme finite-amplitude method: Extension to odd-mass and odd-odd nuclei". United States. doi:10.1103/physrevc.102.034326.
@article{osti_1668508,
title = {Global description of $β$– decay with the axially deformed Skyrme finite-amplitude method: Extension to odd-mass and odd-odd nuclei},
author = {Ney, E. M. and Engel, J. and Li, T. and Schunck, N.},
abstractNote = {Here we use the finite-amplitude method (FAM), an efficient implementation of the quasiparticle random phase approximation, to compute $β$-decay rates with Skyrme energy-density functionals for 3983 nuclei, essentially all the medium-mass and heavy isotopes on the neutron-rich side of stability. We employ an extension of the FAM that treats odd-mass and odd-odd nuclear ground states in the equal filling approximation. Our rates are in reasonable agreement both with experimental data where available and with rates from other global calculations.},
doi = {10.1103/physrevc.102.034326},
journal = {Physical Review C},
number = 3,
volume = 102,
place = {United States},
year = {2020},
month = {9}
}

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