Dense Plasma Transport and Spectroscopy

稠密等离子体传输和光谱学

• 批准号: 0098434
• 负责人: Alan DeSilva
• 金额: $ 39万
• 依托单位: University of Maryland, College Park
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2001
• 资助国家: 美国
• 起止时间: 2001-07-01 至 2005-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0098434&HistoricalAwards=false
• 关键词: Dense; Plasma; Transport; Spectroscopy

The overall objective of this research is to further the understanding of a set of basic atomic and ionic processes significant to plasma science. Three topics will be pursued in detail. 1) The electrical conductivity of dense, cool plasmas will be measured in order to benchmark transport theory of strongly coupled plasmas. 2) Emission and absorption spectra involving low excitation states of He-, Li-, and Be-like ions in well-diagnosed laser-produced plasmas will be measured and the results compared with theory and simulations to test current models. 3) Measurements of x-ray spectral satellite lines will be carried out in order to test theories that the appearance of these lines is due to charge transfer collisions in dense plasmas.

这项研究的总体目标是进一步了解一套基本的原子和离子过程的等离子体科学的重要。 将详细讨论三个专题。 1)将测量稠密、冷等离子体的电导率，以作为强耦合等离子体输运理论的基准。 2)发射和吸收光谱涉及低激发态的He-，Li-和Be-类离子在诊断良好的激光产生的等离子体将被测量，并与理论和模拟测试当前模型的结果进行比较。 3)将对X射线光谱卫星线进行测量，以检验这些线的出现是由于密集等离子体中的电荷转移碰撞造成的理论。