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Title: An energy-dependent numerical model for the condensation probability, γ j

Abstract

The “condensation” probability, γ j, is an important variable in the preequilibrium stage of nuclear spallation reactions. It represents the probability that p j excited nucleons (excitons) will “condense” to form complex particle type j in the excited residual nucleus. In addition, it has a significant impact on the emission width, or probability of emitting fragment type j from the residual nucleus. Previous formulations for γ j were energy-independent and valid for fragments up to 4He only. This paper explores the formulation of a new model for γ j, one which is energy-dependent and valid for up to 28Mg, and which provides improved fits compared to experimental fragment spectra.

Authors:
ORCiD logo [1]
  1. Idaho State University, Pocatello, ID (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1337085
Alternate Identifier(s):
OSTI ID: 1419520
Report Number(s):
LA-UR-15-26648
Journal ID: ISSN 0010-4655
Grant/Contract Number:
AC52-06NA25396
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Computer Physics Communications
Additional Journal Information:
Journal Name: Computer Physics Communications; Journal ID: ISSN 0010-4655
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 97 MATHEMATICS AND COMPUTING; Atomic and Nuclear Physics

Citation Formats

Kerby, Leslie Marie. An energy-dependent numerical model for the condensation probability, γj. United States: N. p., 2016. Web. doi:10.1016/j.cpc.2016.11.006.
Kerby, Leslie Marie. An energy-dependent numerical model for the condensation probability, γj. United States. doi:10.1016/j.cpc.2016.11.006.
Kerby, Leslie Marie. Fri . "An energy-dependent numerical model for the condensation probability, γj". United States. doi:10.1016/j.cpc.2016.11.006. https://www.osti.gov/servlets/purl/1337085.
@article{osti_1337085,
title = {An energy-dependent numerical model for the condensation probability, γj},
author = {Kerby, Leslie Marie},
abstractNote = {The “condensation” probability, γj, is an important variable in the preequilibrium stage of nuclear spallation reactions. It represents the probability that pj excited nucleons (excitons) will “condense” to form complex particle type j in the excited residual nucleus. In addition, it has a significant impact on the emission width, or probability of emitting fragment type j from the residual nucleus. Previous formulations for γj were energy-independent and valid for fragments up to 4He only. This paper explores the formulation of a new model for γj, one which is energy-dependent and valid for up to 28Mg, and which provides improved fits compared to experimental fragment spectra.},
doi = {10.1016/j.cpc.2016.11.006},
journal = {Computer Physics Communications},
number = ,
volume = ,
place = {United States},
year = {Fri Dec 09 00:00:00 EST 2016},
month = {Fri Dec 09 00:00:00 EST 2016}
}

Journal Article:
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