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Title: Experimental and Theoretical Understanding of Neutron Capture on Uranium Isotopes

Abstract

Neutron capture cross sections on uranium isotopes are important quantities needed to model nuclear explosion performance, nuclear reactor design, nuclear test diagnostics, and nuclear forensics. It has been difficult to calculate capture accurately, and factors of 2 or more be- tween calculation and measurements are not uncommon, although normalization to measurements of the average capture width and nuclear level density can improve the result. The calculations of capture for 233,235,237,239U are further complicated by the need to accurately include the fission channel.

Authors:
 [1]
  1. 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 Office of Science (SC)
OSTI Identifier:
1394956
Report Number(s):
LA-UR-17-28586
TRN: US1800052
DOE Contract Number:  
AC52-06NA25396
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; URANIUM 239; NEUTRON REACTIONS; NEUTRONS; URANIUM; CAPTURE; neutron capture

Citation Formats

Ullmann, John Leonard. Experimental and Theoretical Understanding of Neutron Capture on Uranium Isotopes. United States: N. p., 2017. Web. doi:10.2172/1394956.
Ullmann, John Leonard. Experimental and Theoretical Understanding of Neutron Capture on Uranium Isotopes. United States. doi:10.2172/1394956.
Ullmann, John Leonard. Thu . "Experimental and Theoretical Understanding of Neutron Capture on Uranium Isotopes". United States. doi:10.2172/1394956. https://www.osti.gov/servlets/purl/1394956.
@article{osti_1394956,
title = {Experimental and Theoretical Understanding of Neutron Capture on Uranium Isotopes},
author = {Ullmann, John Leonard},
abstractNote = {Neutron capture cross sections on uranium isotopes are important quantities needed to model nuclear explosion performance, nuclear reactor design, nuclear test diagnostics, and nuclear forensics. It has been difficult to calculate capture accurately, and factors of 2 or more be- tween calculation and measurements are not uncommon, although normalization to measurements of the average capture width and nuclear level density can improve the result. The calculations of capture for 233,235,237,239U are further complicated by the need to accurately include the fission channel.},
doi = {10.2172/1394956},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Sep 21 00:00:00 EDT 2017},
month = {Thu Sep 21 00:00:00 EDT 2017}
}

Technical Report:

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