Multipole-Bound Negative Ions

本课题由化学系实验物理化学项目资助，罗伯特·N。田纳西大学的康普顿将继续并扩大他对电子附着在分子和负离子上的研究。 关于单电荷和双电荷阴离子的工作将继续进行。 新的工作将直接观察电子附着到负离子的横截面，并确定其自脱离寿命。 这些阴离子的电子亲和性将被测量和比较，通过里德伯电子转移和场分离方法获得的值。 此外，将确定作为光子能量的函数的光剥离截面和光电子角分布，并将其与理论值进行比较。这项研究将在研究生和本科生的协助下进行，以及与美国内外的合作者。 通过参与这项研究以及与其他美国和国际团体的合作，学生将获得宝贵的经验，为他们在学术，政府或工业经济部门的深造或就业做好准备。

In this project, funded by the Experimental Physical Chemistry Program of the Chemistry Division, Prof. Robert N. Compton of the University of Tennessee will continue and expand his researches on electron attachment to molecules and negative ions. Work on singly and doubly charged anions will continue. New work will be directed to observe the cross section for electron attachment to a negative ion and to determine its autodetachment lifetime. Electron affinities of these anions will be measured and compared to values obtained by means of Rydberg electron transfer and field detachment methods. In addition, photodetachment cross sections and photoelectron angular distributions as function of photon energy will be determined and compared to theoretical values.This research will be conducted with the assistance of graduate and undergraduate students, as well as with collaborators within and outside the United States. Through their participation in this research and the collaborations with other American and international groups the students will gain valuable experience that prepares them for advanced studies or employment in the academic, government or industrial sectors of the economy.