Nocore shell model calculations of the photonuclear cross section of 10B
Abstract
Results of ab initio nocore, shell model calculations for the photonuclear cross section of 10B are presented using realistic twonucleon (NN) chiral forces up to nexttonexttonextorder (N3LO) softened by the similarity renormalization group method (SRG) with λ=2.02 fm^{1}. The electricdipole response function is calculated using the Lanczos method, with the effects of the continuum included via neutron escape widths derived from Rmatrix theory and using the Lorentz integral transform method. The calculated cross section agrees well with experimental data in terms of structure as well as in absolute peak height, σ_{max}=4.85 mb at photon energy ω=23.61 MeV, and integrated cross section 85.36 MeV. mb. We also test the Brink hypothesis by calculating the electricdipole response for the first nine positiveparity states with J≠0 in ^{10}B and verify that dipole excitations built upon the ground and excited states have similar characteristics.
 Authors:

 Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
 San Diego State Univ., CA (United States)
 Publication Date:
 Research Org.:
 Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
 Sponsoring Org.:
 USDOE National Nuclear Security Administration (NNSA)
 OSTI Identifier:
 1597583
 Report Number(s):
 LLNLJRNL771305
Journal ID: ISSN 14346001; 963074
 Grant/Contract Number:
 AC5207NA27344; FG02 03ER41272; SCW0498
 Resource Type:
 Accepted Manuscript
 Journal Name:
 European Physical Journal. A
 Additional Journal Information:
 Journal Volume: 55; Journal Issue: 12; Journal ID: ISSN 14346001
 Publisher:
 Springer
 Country of Publication:
 United States
 Language:
 English
 Subject:
 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; nuclear physics; radiation physics
Citation Formats
Kruse, M. K. G., Ormand, W. E., and Johnson, C. W. Nocore shell model calculations of the photonuclear cross section of 10B. United States: N. p., 2019.
Web. doi:10.1140/epja/i2019129051.
Kruse, M. K. G., Ormand, W. E., & Johnson, C. W. Nocore shell model calculations of the photonuclear cross section of 10B. United States. doi:https://doi.org/10.1140/epja/i2019129051
Kruse, M. K. G., Ormand, W. E., and Johnson, C. W. Mon .
"Nocore shell model calculations of the photonuclear cross section of 10B". United States. doi:https://doi.org/10.1140/epja/i2019129051. https://www.osti.gov/servlets/purl/1597583.
@article{osti_1597583,
title = {Nocore shell model calculations of the photonuclear cross section of 10B},
author = {Kruse, M. K. G. and Ormand, W. E. and Johnson, C. W.},
abstractNote = {Results of ab initio nocore, shell model calculations for the photonuclear cross section of 10B are presented using realistic twonucleon (NN) chiral forces up to nexttonexttonextorder (N3LO) softened by the similarity renormalization group method (SRG) with λ=2.02 fm1. The electricdipole response function is calculated using the Lanczos method, with the effects of the continuum included via neutron escape widths derived from Rmatrix theory and using the Lorentz integral transform method. The calculated cross section agrees well with experimental data in terms of structure as well as in absolute peak height, σmax=4.85 mb at photon energy ω=23.61 MeV, and integrated cross section 85.36 MeV. mb. We also test the Brink hypothesis by calculating the electricdipole response for the first nine positiveparity states with J≠0 in 10B and verify that dipole excitations built upon the ground and excited states have similar characteristics.},
doi = {10.1140/epja/i2019129051},
journal = {European Physical Journal. A},
number = 12,
volume = 55,
place = {United States},
year = {2019},
month = {12}
}
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