Portable active interrogation system

被引：19
|
作者：
Moss, CE [1 ]
Brener, MW [1 ]
Hollas, CL [1 ]
Myers, WL [1 ]
机构：
[1] Los Alamos Natl Lab, Adv Nucl Technol Grp N2, Los Alamos, NM 87545 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2005年 / 241卷 / 1-4期
关键词：
active interrogation; neutron generators; neutron detectors; highly enriched uranium;
D O I：
10.1016/j.nimb.2005.07.134
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The system consists of a pulsed DT neutron generator (5 x 10(7) n/s) and a portable but high intrinsic efficiency, custom-designed, polyethylene-moderated He-3 neutron detector. A multichannel scaler card in a ruggedized laptop computer acquires the data. A user-friendly LabVIEW program analyzes and displays the data. The program displays a warning message when highly enriched uranium or any other fissionable materials is detected at a specified number of sigmas above background in the delayed region between pulses. This report describes the system and gives examples of the response of the system to highly enriched uranium and some other fissionable materials, at several distances and with various shielding materials. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：793 / 797
页数：5
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