Use of polarization techniques to investigate the dynamics of Penning ionization reactions

Journal Article · Sun Sep 01 00:00:00 EDT 1985 · Phys. Rev. A; (United States)

DOI:https://doi.org/10.1103/PhysRevA.32.1348· OSTI ID:5297511

Gray, L G; Keiffer, R S; Ratliff, J M; Dunning, F B; Walters, G K

A new technique is used to probe the dynamics of Penning ionization reactions involving He(2/sup 3/S) atoms and the targets K, Rb, Cs, O/sub 2/, Cl/sub 2/, and CF/sub 3/Cl. In this technique, the electrons on the 2/sup 3/S atoms are spin labeled and the polarization of the Penning electrons is determined. The data indicate that, for Rb, a significant fraction of the ionization occurs through energy transfer to a core excited state followed by autoionization. The data for the molecular targets confirm that ionization via ionic channels is important.

• Research Organization: Department of Physics and The Rice Quantum Institute, Rice University, Houston, Texas 77251
• OSTI ID: 5297511
• Journal Information: Phys. Rev. A; (United States), Vol. 32:3
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
CESIUM
ATOM-ATOM COLLISIONS
CHLORINATED ALIPHATIC HYDROCARBONS
ATOM-MOLECULE COLLISIONS
CHLORINE
FLUORINATED ALIPHATIC HYDROCARBONS
HELIUM
LABELLING
SPIN
OXYGEN
POTASSIUM
RUBIDIUM
ELECTRON EMISSION
ENERGY SPECTRA
IONIZATION
METASTABLE STATES
PENNING EFFECT
POLARIZATION
ALKALI METALS
ANGULAR MOMENTUM
ATOM COLLISIONS
COLLISIONS
ELEMENTS
EMISSION
ENERGY LEVELS
EXCITED STATES
FLUIDS
GASES
HALOGENATED ALIPHATIC HYDROCARBONS
HALOGENS
METALS
MOLECULE COLLISIONS
NONMETALS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PARTICLE PROPERTIES
RARE GASES
SPECTRA
640304* - Atomic
Molecular & Chemical Physics- Collision Phenomena