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Title: Radiative neutron capture cross section from U 236

Abstract

In this study, the 236U(n,γ) reaction cross section has been measured for the incident neutron energy range from 10 eV to 800 keV by using the Detector for Advanced Neutron Capture Experiments (DANCE) γ-ray calorimeter at the Los Alamos Neutron Science Center. The cross section was determined with the ratio method, which is a technique that uses the 235U(n,f) reaction as a reference. The results of the experiment are reported in the resolved and unresolved resonance energy regions. Individual neutron resonance parameters were obtained below 1 keV incident energy by using the R-matrix code sammy. The cross section in the unresolved resonance region is determined with improved experimental uncertainty. Lastly, it agrees with both ENDF/B-VII.1 and JEFF-3.2 nuclear data libraries. In conclusion, the results above 10 keV agree better with the JEFF-3.2 library.

Authors:
ORCiD logo [1];  [1]; ORCiD logo [1]; ORCiD logo [1];  [1]; ORCiD logo [1];  [1]; ORCiD logo [1]; ORCiD logo [1];  [1]; ORCiD logo [1]; ORCiD logo [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), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1483498
Alternate Identifier(s):
OSTI ID: 1376947
Report Number(s):
LA-UR-17-21491
Journal ID: ISSN 2469-9985; PRVCAN
Grant/Contract Number:  
89233218CNA000001; AC52-06NA25396
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 96; Journal Issue: 2; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Baramsai, Bayarbadrakh, Jandel, Marian, Bredeweg, Todd Allen, Bond, Evelyn M., Roman, Audrey Rae, Rusev, Gencho Yordanov, Walker, Carrie Lynn, Couture, Aaron Joseph, Mosby, Shea Morgan, O'Donnell, John M., Ullmann, John Leonard, and Kawano, Toshihiko. Radiative neutron capture cross section from U236. United States: N. p., 2017. Web. doi:10.1103/PhysRevC.96.024619.
Baramsai, Bayarbadrakh, Jandel, Marian, Bredeweg, Todd Allen, Bond, Evelyn M., Roman, Audrey Rae, Rusev, Gencho Yordanov, Walker, Carrie Lynn, Couture, Aaron Joseph, Mosby, Shea Morgan, O'Donnell, John M., Ullmann, John Leonard, & Kawano, Toshihiko. Radiative neutron capture cross section from U236. United States. doi:10.1103/PhysRevC.96.024619.
Baramsai, Bayarbadrakh, Jandel, Marian, Bredeweg, Todd Allen, Bond, Evelyn M., Roman, Audrey Rae, Rusev, Gencho Yordanov, Walker, Carrie Lynn, Couture, Aaron Joseph, Mosby, Shea Morgan, O'Donnell, John M., Ullmann, John Leonard, and Kawano, Toshihiko. Thu . "Radiative neutron capture cross section from U236". United States. doi:10.1103/PhysRevC.96.024619. https://www.osti.gov/servlets/purl/1483498.
@article{osti_1483498,
title = {Radiative neutron capture cross section from U236},
author = {Baramsai, Bayarbadrakh and Jandel, Marian and Bredeweg, Todd Allen and Bond, Evelyn M. and Roman, Audrey Rae and Rusev, Gencho Yordanov and Walker, Carrie Lynn and Couture, Aaron Joseph and Mosby, Shea Morgan and O'Donnell, John M. and Ullmann, John Leonard and Kawano, Toshihiko},
abstractNote = {In this study, the 236U(n,γ) reaction cross section has been measured for the incident neutron energy range from 10 eV to 800 keV by using the Detector for Advanced Neutron Capture Experiments (DANCE) γ-ray calorimeter at the Los Alamos Neutron Science Center. The cross section was determined with the ratio method, which is a technique that uses the 235U(n,f) reaction as a reference. The results of the experiment are reported in the resolved and unresolved resonance energy regions. Individual neutron resonance parameters were obtained below 1 keV incident energy by using the R-matrix code sammy. The cross section in the unresolved resonance region is determined with improved experimental uncertainty. Lastly, it agrees with both ENDF/B-VII.1 and JEFF-3.2 nuclear data libraries. In conclusion, the results above 10 keV agree better with the JEFF-3.2 library.},
doi = {10.1103/PhysRevC.96.024619},
journal = {Physical Review C},
number = 2,
volume = 96,
place = {United States},
year = {2017},
month = {8}
}

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Works referenced in this record:

Nuclear Ground-State Masses and Deformations
journal, March 1995

  • Moller, P.; Nix, J. R.; Myers, W. D.
  • Atomic Data and Nuclear Data Tables, Vol. 59, Issue 2, p. 185-381
  • DOI: 10.1006/adnd.1995.1002