Polarized Electron Physics

极化电子物理

• 批准号: 0354946
• 负责人: Timothy Gay
• 金额: --
• 依托单位: University of Nebraska-Lincoln
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2004
• 资助国家: 美国
• 起止时间: 2004-07-01 至 2008-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0354946&HistoricalAwards=false
• 关键词: Polarized; Electron; Physics

This project focuses on the study of polarized electron collisions with chiral, or handed molecules, simple diatomic molecules, and heavy noble gas atoms. The experiments address physics questions about the dynamics of electron-molecule and electron-atom scattering, particularly with regard to electron-spin-dependent effects and the collisional distribution of angular momentum. They also provide important information for applications requiring knowledge of electron-molecule and electron-atom scattering cross sections and the modeling of plasma processes. Improved sources of polarized electrons will also be developed. One of the goals of this work is to provide both research and industrial laboratories with turnkey polarized beams for use in, e.g., magnetic materials analysis. Broader impacts involve education of graduate, undergraduate and high school students as well as recruitment of under-represented groups and outreach to the community.

本计画主要研究极化电子与手征分子、简单双原子分子及重稀有气体原子的碰撞。 这些实验解决了关于电子-分子和电子-原子散射动力学的物理问题，特别是关于电子自旋相关效应和角动量的碰撞分布。它们还为需要电子-分子和电子-原子散射截面知识的应用以及等离子体过程的建模提供了重要信息。 还将开发改进的极化电子源。这项工作的目标之一是为研究和工业实验室提供交钥匙偏振光束，磁性材料分析更广泛的影响涉及研究生、本科生和高中生的教育，以及招募代表性不足的群体和向社区推广。