On X-ray Spectral Diagnostics of Laser Plasma with External Photon Pumping

IF 0.6 4区 物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY
R. K. Kulikov, I. Yu. Skobelev, S. S. Makarov
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引用次数: 0

Abstract

The development of diagnostic methods for dense high-temperature plasma exposed to powerful streams of short-wave radiation is of particular relevance in connection with the planned construction in Russia of the SYLA, a MegaScience facility, which is an acceleration-storage complex that combines a fourth-generation synchrotron source and an X-ray free-electron laser, and with laser plasma experiments intensively conducted using hohlraum-type targets. The possibility is considered of this plasma diagnostics by one of the X-ray spectral techniques, namely by relative intensities of the resonant and intercombination lines of multicharged He-like ions. Based on detailed kinetic calculations, conditions are defined under which this technique can be applied to this plasma without any modification and relative intensities of these lines are calculated for cases when external effects significantly change the kinetics of their excitation.

Abstract Image

在俄罗斯计划建造的大型科学设施 SYLA(第四代同步辐射源和 X 射线自由电子激光器相结合的加速存储综合设施)以及使用霍尔仑型目标密集进行的激光等离子体实验方面,开发暴露于强大短波辐射流的高密度高温等离子体的诊断方法具有特别重要的意义。通过 X 射线光谱技术之一,即通过多充氦离子的共振线和相互结合线的相对强度,考虑了等离子体诊断的可能性。根据详细的动力学计算,确定了在不做任何修改的情况下将该技术应用于该等离子体的条件,并计算了在外部效应显著改变其激发动力学的情况下这些线的相对强度。
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来源期刊
Bulletin of the Lebedev Physics Institute
Bulletin of the Lebedev Physics Institute PHYSICS, MULTIDISCIPLINARY-
CiteScore
0.70
自引率
25.00%
发文量
41
审稿时长
6-12 weeks
期刊介绍: Bulletin of the Lebedev Physics Institute is an international peer reviewed journal that publishes results of new original experimental and theoretical studies on all topics of physics: theoretical physics; atomic and molecular physics; nuclear physics; optics; lasers; condensed matter; physics of solids; biophysics, and others.
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