Electron-Atom and Electron-Molecule Cross Sections Applicable to Atmospheric and Ionospheric Behavior.

Abstract

Polarized electrons have been produced by photoionization of polarized alkali atoms by unpolarized light and also by photoionization of unpolarized alkali atoms by polarized light (Fano effect). Practical sources based on these approaches have been made. The first experiment to study the low energy scattering of polarized electrons by polarized atoms (electron-hydrogen) has been done with the Fano effect source. The other source provides polarized electrons for acceleration to high energies at SLAC and has been used in basic pioneering experiments in elementary particlephysics. The atomic scattering studies with polarized electrons improve our understanding of the approximations in theoretical calculations of electron-atom scattering cross section. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Oct 25, 1977
Accession Number
ADA046245

Entities

People

  • Vernon W. Hughes

Organizations

  • Yale University

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Contracts
  • Elastic Scattering
  • Electrons
  • Elementary Particles
  • Elements
  • Energy
  • High Energy
  • Hydrogen
  • Ionization
  • Linear Accelerators
  • Particle Physics
  • Photoionization
  • Physics
  • Quantum Properties
  • Scattering
  • Security

Fields of Study

  • Physics

Readers

  • Materials Science and Engineering.
  • Molecular Photonics/Laser Physics
  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.

Technology Areas

  • Microelectronics