A Primer on Electron-Atom Collisions


(adapted from C.C. Lin's 1996 Will Allis Prize Talk)


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I) Introduction

II) Electron-Impact Excitation out of the ground state of Atoms

  1. General
    • Optical method
    • Experimental Arrangement
  2. Excitation of Helium
    • Excitation of singlet levels
    • Excitation of triplet levels
  3. Excitation of Neon, Argon
    • Neon 2p5ns levels
    • Neon 2p5np levels
    • Argon 3p54p levels and Neon 2p53p levels
    • Neon 2p54d levels
  4. Pressure Effects

III) Excitation out of Metastable Levels of Atoms

  1. Motivation
  2. Helium
  3. Argon

IV) Laser-Cooled Trapped Atoms for electron scattering Cross Sections

  1. Introduction
  2. Measurement of Total Scattering cross sections
  3. Measurement of Ionization cross sections

last updated: May-21-1997
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