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Title: Development and Characterization of a High-Energy Neutron Time-of-Flight Imaging System

Abstract

We present that Los Alamos National Laboratory has developed a prototype of a high-energy neutron time-of-flight imaging system for the non-destructive evaluation of dense, massive, and/or high atomic number objects. High-energy neutrons provide the penetrating power, and thus the high dynamic range necessary to image internal features and defects of such objects. The addition of the time gating capability allows for scatter rejection when paired with a pulsed monoenergetic beam, or neutron energy selection when paired with a pulsed broad-spectrum neutron source. The Time Gating to Reject Scatter and Select Energy (TiGReSSE) system was tested at the Los Alamos Neutron Science Center’s (LANSCE) Weapons Nuclear Research (WNR) facility, a spallation neutron source, to provide proof of concept measurements and to characterize the instrument response. This paper will show results of several objects imaged during this run cycle. In addition, results from system performance metrics such as the Modulation Transfer Function and the Detective Quantum Efficiency measured as a function of neutron energy, characterize the current system performance and inform the next generation of neutron imaging instrument.

Authors:
ORCiD logo [1]; ORCiD logo [1];  [1];  [1];  [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 National Nuclear Security Administration (NNSA)
OSTI Identifier:
1356132
Report Number(s):
LA-UR-16-24589
Journal ID: ISSN 0018-9499; TRN: US1702152
Grant/Contract Number:
AC52-06NA25396
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
IEEE Transactions on Nuclear Science
Additional Journal Information:
Journal Volume: PP; Journal Issue: 99; Journal ID: ISSN 0018-9499
Publisher:
Institute of Electrical and Electronics Engineers (IEEE)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; Neutron Radiography, Time-of-Flight

Citation Formats

Madden, Amanda Christine, Schirato, Richard C., Swift, Alicia L., Cutler, Theresa Elizabeth, Mayo, Douglas R., and Hunter, James F. Development and Characterization of a High-Energy Neutron Time-of-Flight Imaging System. United States: N. p., 2017. Web. doi:10.1109/TNS.2017.2655263.
Madden, Amanda Christine, Schirato, Richard C., Swift, Alicia L., Cutler, Theresa Elizabeth, Mayo, Douglas R., & Hunter, James F. Development and Characterization of a High-Energy Neutron Time-of-Flight Imaging System. United States. doi:10.1109/TNS.2017.2655263.
Madden, Amanda Christine, Schirato, Richard C., Swift, Alicia L., Cutler, Theresa Elizabeth, Mayo, Douglas R., and Hunter, James F. Thu . "Development and Characterization of a High-Energy Neutron Time-of-Flight Imaging System". United States. doi:10.1109/TNS.2017.2655263. https://www.osti.gov/servlets/purl/1356132.
@article{osti_1356132,
title = {Development and Characterization of a High-Energy Neutron Time-of-Flight Imaging System},
author = {Madden, Amanda Christine and Schirato, Richard C. and Swift, Alicia L. and Cutler, Theresa Elizabeth and Mayo, Douglas R. and Hunter, James F.},
abstractNote = {We present that Los Alamos National Laboratory has developed a prototype of a high-energy neutron time-of-flight imaging system for the non-destructive evaluation of dense, massive, and/or high atomic number objects. High-energy neutrons provide the penetrating power, and thus the high dynamic range necessary to image internal features and defects of such objects. The addition of the time gating capability allows for scatter rejection when paired with a pulsed monoenergetic beam, or neutron energy selection when paired with a pulsed broad-spectrum neutron source. The Time Gating to Reject Scatter and Select Energy (TiGReSSE) system was tested at the Los Alamos Neutron Science Center’s (LANSCE) Weapons Nuclear Research (WNR) facility, a spallation neutron source, to provide proof of concept measurements and to characterize the instrument response. This paper will show results of several objects imaged during this run cycle. In addition, results from system performance metrics such as the Modulation Transfer Function and the Detective Quantum Efficiency measured as a function of neutron energy, characterize the current system performance and inform the next generation of neutron imaging instrument.},
doi = {10.1109/TNS.2017.2655263},
journal = {IEEE Transactions on Nuclear Science},
number = 99,
volume = PP,
place = {United States},
year = {Thu Feb 09 00:00:00 EST 2017},
month = {Thu Feb 09 00:00:00 EST 2017}
}

Journal Article:
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