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Title: Absolute calibration of the DANCE thermal neutron beam using sodium activation

Abstract

The calculation of the neutron capture cross section as a function of energy in the thermal range requires a precise knowledge of the absolute neutron flux. In this paper a method of calibrating a thermal neutron beam using the controlled activation of sodium is described. Here, the method is applied to the FP-14 Time Of Flight neutron beam line at the Los Alamos Neutron Science Center to calibrate the beam to an uncertainty level of ±5 %.

Authors:
 [1];  [1];  [1];  [2];  [1];  [1];  [1];  [3];  [1]
  1. Univ. of California, Davis, CA (United States)
  2. Boston Univ., Boston, MA (United States)
  3. 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), High Energy Physics (HEP) (SC-25); USDOE National Nuclear Security Administration (NNSA), Office of Nonproliferation and Verification Research and Development (NA-22); USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1504657
Alternate Identifier(s):
OSTI ID: 1506701
Report Number(s):
LA-UR-19-21578
Journal ID: ISSN 0168-9002
Grant/Contract Number:  
89233218CNA000001; NA0003180
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 929; Journal Issue: C; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; Neutron cross section; Neutron flux; Neutron capture

Citation Formats

Fischer, V., Pagani, L., Pickard, L., Grant, C., He, J., Pantic, E., Svoboda, R., Ullmann, J., and Wang, J. Absolute calibration of the DANCE thermal neutron beam using sodium activation. United States: N. p., 2019. Web. doi:10.1016/j.nima.2019.03.047.
Fischer, V., Pagani, L., Pickard, L., Grant, C., He, J., Pantic, E., Svoboda, R., Ullmann, J., & Wang, J. Absolute calibration of the DANCE thermal neutron beam using sodium activation. United States. doi:10.1016/j.nima.2019.03.047.
Fischer, V., Pagani, L., Pickard, L., Grant, C., He, J., Pantic, E., Svoboda, R., Ullmann, J., and Wang, J. Wed . "Absolute calibration of the DANCE thermal neutron beam using sodium activation". United States. doi:10.1016/j.nima.2019.03.047.
@article{osti_1504657,
title = {Absolute calibration of the DANCE thermal neutron beam using sodium activation},
author = {Fischer, V. and Pagani, L. and Pickard, L. and Grant, C. and He, J. and Pantic, E. and Svoboda, R. and Ullmann, J. and Wang, J.},
abstractNote = {The calculation of the neutron capture cross section as a function of energy in the thermal range requires a precise knowledge of the absolute neutron flux. In this paper a method of calibrating a thermal neutron beam using the controlled activation of sodium is described. Here, the method is applied to the FP-14 Time Of Flight neutron beam line at the Los Alamos Neutron Science Center to calibrate the beam to an uncertainty level of ±5 %.},
doi = {10.1016/j.nima.2019.03.047},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = C,
volume = 929,
place = {United States},
year = {2019},
month = {3}
}

Journal Article:
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This content will become publicly available on March 20, 2020
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