Temperature measurement through detailed balance in x-ray Thomson scattering

被引：42

作者：

Doeppner, T. ^{[1
]}

Landen, O. L. ^{[1
]}

Lee, H. J. ^{[2
]}

Neumayer, P. ^{[1
]}

Regan, S. P. ^{[3
]}

Glenzer, S. H. ^{[1
]}

机构：

[1] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA

[2] Univ Calif Berkeley, Berkeley, CA 94720 USA

[3] Univ Rochester, Laser Energet Lab, Rochester, NY 14623 USA

来源：

HIGH ENERGY DENSITY PHYSICS | 2009年 / 5卷 / 03期

关键词：

Warm dense matter; Plasma diagnostic; Thomson scattering; Plasmons;

D O I：

10.1016/j.hedp.2009.05.012

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The plasma conditions in isochorically heated beryllium are measured by collective x-ray Thomson scattering. The collectively scattered Cl Ly-alpha x-ray line at 2.96 key shows up- and down-shifted plasmon signals. From the detailed balance relation, i.e., the ratio of the up-shifted to the down-shifted plasmon intensities, the plasma temperature can be determined independent of model assumptions. Results are shown for an experiment in which a temperature of 18 eV was measured. Using detailed balance for temperature measurement will be important to validate models that calculate the static ion-ion structure factor S(ii)(k). Published by Elsevier B.V.

引用

页码：182 / 186

页数：5

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