Shock temperature measurement using neutron resonance spectroscopy

被引：67

作者：

Yuan, VW ^{[1
]}

Bowman, JD ^{[1
]}

Funk, DJ ^{[1
]}

Morgan, GL ^{[1
]}

Rabie, RL ^{[1
]}

Ragan, CE ^{[1
]}

Quintana, JP ^{[1
]}

Stacy, HL ^{[1
]}

机构：

[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.94.125504

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report a direct measurement of temperature in a shocked metal using Doppler broadening of neutron resonances. The 21.1-eV resonance in W-182 was used to measure the temperature in molybdenum shocked to similar to 63 GPa. An explosively launched aluminum flyer produced a planar shock in a molybdenum target that contained a 1-mm thick layer doped with 1.7 at. %W-182. A single neutron pulse, containing resonant neutrons of less than 1 mu s duration, probed the shocked material. Fits to the neutron time-of-flight data were used to determine the temperature of the shocked molybdenum.

引用

页数：4

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