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Title: System, algorithm, and method using short pulse interrogation with neutrons to detect and identify matter

Abstract

A system, method, and algorithm for detecting and identifying special nuclear material (SNM) (including fissionable material), explosives, or drugs is disclosed. This material detection system relies on active interrogation of material using a short, intense neutron pulse, and characterization of the resulting prompt gamma response in two short time windows, the first concurrent with and the second immediately following the end of the neutron pulse, optionally subject to a total transit delay time of the neutrons from the neutron source to the target and from the target to the gamma detector. A high data rate analysis system implements data stream analysis and statistical correlations of the two short time window gamma responses to rapidly detect or identify SNM, explosives, or drugs. The duration of the neutron pulse is so short that minimal dose results. Various shields help to minimize the background signal falling on the gamma detector to improve sensitivity.

Inventors:
; ; ; ; ; ;
Issue Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1840254
Patent Number(s):
11061164
Application Number:
16/433,576
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G - PHYSICS G01 - MEASURING G01T - MEASUREMENT OF NUCLEAR OR X-RADIATION
DOE Contract Number:  
NA0003525
Resource Type:
Patent
Resource Relation:
Patent File Date: 06/06/2019
Country of Publication:
United States
Language:
English

Citation Formats

Derzon, Mark S., Powledge, Aaron, Gutierrez, Lorenzo, Koskelo, Markku J., Galambos, Paul C., Price, Nathan J., and Brooks, Carlton F. System, algorithm, and method using short pulse interrogation with neutrons to detect and identify matter. United States: N. p., 2021. Web.
Derzon, Mark S., Powledge, Aaron, Gutierrez, Lorenzo, Koskelo, Markku J., Galambos, Paul C., Price, Nathan J., & Brooks, Carlton F. System, algorithm, and method using short pulse interrogation with neutrons to detect and identify matter. United States.
Derzon, Mark S., Powledge, Aaron, Gutierrez, Lorenzo, Koskelo, Markku J., Galambos, Paul C., Price, Nathan J., and Brooks, Carlton F. Tue . "System, algorithm, and method using short pulse interrogation with neutrons to detect and identify matter". United States. https://www.osti.gov/servlets/purl/1840254.
@article{osti_1840254,
title = {System, algorithm, and method using short pulse interrogation with neutrons to detect and identify matter},
author = {Derzon, Mark S. and Powledge, Aaron and Gutierrez, Lorenzo and Koskelo, Markku J. and Galambos, Paul C. and Price, Nathan J. and Brooks, Carlton F.},
abstractNote = {A system, method, and algorithm for detecting and identifying special nuclear material (SNM) (including fissionable material), explosives, or drugs is disclosed. This material detection system relies on active interrogation of material using a short, intense neutron pulse, and characterization of the resulting prompt gamma response in two short time windows, the first concurrent with and the second immediately following the end of the neutron pulse, optionally subject to a total transit delay time of the neutrons from the neutron source to the target and from the target to the gamma detector. A high data rate analysis system implements data stream analysis and statistical correlations of the two short time window gamma responses to rapidly detect or identify SNM, explosives, or drugs. The duration of the neutron pulse is so short that minimal dose results. Various shields help to minimize the background signal falling on the gamma detector to improve sensitivity.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jul 13 00:00:00 EDT 2021},
month = {Tue Jul 13 00:00:00 EDT 2021}
}

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