Atomic, Molecular, and Optical Physics Seminar

Electron - Atom Collisions: A Solved Problem?

Professor Klaus Bartschat

ITAMP & Drake University

Recent developments in the formal description and the numerical treatment of electron collisions with atoms and ions, together with the rapid growth in computer hardware, have opened the opportunity for benchmark comparisons between experimental data and theoretical predictions. In this talk, basic experimental setups to study excitation, ionization, and simultaneous ionization--excitation will be introduced, together with the principal ideas behind state-of-the-art numerical methods used in this field. Furthermore, the reliability of currently available atomic data for electron collisions will be critically assessed. Finally, ways of visualizing the outcome of atomic collision processes by using animated computer graphics to represent the charge cloud of collisionally excited atomic states (see http://bartschat.drake.edu/klaus.html for details) will be shown.

Monday, December 9, 2002
2:00 PM
Gant Science Complex
Physics Department
Room P121


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