Basic Ionization, Airglow and Auroral Processes

基本电离、气辉和极光过程

• 批准号: 9610020
• 负责人: Alexander Dalgarno
• 金额: $ 45.55万
• 依托单位: Harvard University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1997
• 资助国家: 美国
• 起止时间: 1997-04-01 至 2000-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9610020&HistoricalAwards=false
• 关键词: Basic; Ionization; Airglow; Auroral; Processes

The investigator will apply theoretical procedures to the quantitative prediction of cross sections for Rayleigh and Raman scattering of ultraviolet radiation in molecular oxygen, and used to explore the influence of scattering on the transmission and attenuation of solar ultraviolet radiation in the atmosphere. He will calculate the cross sections and insert them into the collision kernel of the Boltzmann equation to study the effects of vibrational excitation in the slowing of energetic nitrogen atoms and production of rotationally and vibrationally excited NO. He will apply quantal and semi-classical procedures to determine the rate coefficients for energy transfer in collisions involving vibrationally excited molecules. Finally, he will quantitatively assess the contribution of radiation involved in the collision of metastable oxygen molecules to the continuum emission present in the night airglow.

研究人员将应用理论程序定量预测分子氧中紫外线辐射的瑞利和拉曼散射截面，并探索散射对太阳紫外线在大气中传输和衰减的影响。他将计算截面并将它们插入玻尔兹曼方程的碰撞核中，以研究振动激发对高能氮原子减速以及旋转和振动激发NO产生的影响。他将应用量子和半经典程序来确定涉及振动激发分子的碰撞中能量传递的速率系数。最后，他将定量评估参与亚稳氧分子碰撞的辐射对夜间气辉中存在的连续辐射的贡献。