Quasiclassical study of differential inelastic scattering of oriented [Formula Presented] atoms on He

A. Devdariani, E. Tchesnokov, E. I. Dashevskaya, E. E. Nikitin

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

A quasiclassical analysis of the differential inelastic scattering of oriented [Formula Presented] atoms on He at a collision energy of 1 eV is presented. Inelastic channels correspond to spin-changing events populating different Zeeman sublevels of three fine-structure states of [Formula Presented] [Formula Presented] 1, and 2. The magnitude of the right-left scattering asymmetry in the helicopter plane is shown to depend on the locking dynamics. The relative values of different Zeeman-specific cross sections are determined by the diffraction scattering on the attractive [Formula Presented] state in the entrance channels, by the Coriolis mixing between degenerate components of the repulsive [Formula Presented] intermediate state, and by the radial coupling between 1-1 and [Formula Presented] fine-structure components of the [Formula Presented] states in the exit channels. The predicted large right-left scattering asymmetry suggests that it can be measured experimentally.

Original languageEnglish
Pages (from-to)4472-4482
Number of pages11
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume57
Issue number6
DOIs
StatePublished - 1 Jan 1998

Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Keywords

  • ELECTRONIC ANGULAR-MOMENTUM
  • INTEGRAL CROSS-SECTIONS
  • P-STATE ATOMS
  • ENERGY-TRANSFER
  • ORBITAL ALIGNMENT
  • LOCKING PHENOMENON
  • COLLISIONS
  • TRANSITIONS
  • POTENTIALS
  • NA

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