A sensitive neutron spectrometer for the National Ignition Facility

被引：2
|
作者：
Watt, RG
Chrien, RE
Klare, KA
Murphy, TJ
Wilson, DC
Haan, S
机构：
[1] Univ Calif Los Alamos Natl Lab, Los Alamos, NM 87545 USA
[2] Univ Calif Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2001年 / 72卷 / 01期
关键词：
D O I：
10.1063/1.1323242
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We are developing a sensitive neutron spectrometer for the National Ignition Facility laser at Livermore. The spectrometer will consist of a 1020 channel single-neutron-interaction time-of-flight detector array fielded 23 m from the neutron-producing target. It will use an existing detector array together with upgraded electronics for improved time resolution. Measurements of neutron yield, ion and electron temperatures, and density-radius product are all possible under certain conditions using one-, two-, or three-step reaction processes. The locations of the most important potential sources of scattered neutron backgrounds are determined as the first step in designing collimation to reduce these backgrounds. (C) 2001 American Institute of Physics.
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页码：846 / 849
页数：4
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