Published January 25, 1993
| Version v1
Journal article
Experimental evidence of the asymmetry of the soft electron peak in ion-atom ionization
- 1. Centro Atomico Bariloche, and Consejo Nacional de Investigaciones Cientificas y Tecnicas, 8400 San Carlos de Bariloche, Rio Negro (Argentina)
Description
We have measured the doubly differential energy and angular distribution of low-energy electrons emitted in collisions of H+ and 3He2+ on Ne at 106 keV/u. In this way, we are able to obtain information about the shape of the soft electron ionization peak. Against current belief, but in accordance with a two-Coulomb-center interaction of the emitted electron, we find it to be strongly asymmetric in the forward-backward direction. We discuss the shape of the cross section and introduce a parametric expression for fitting the data
Additional details
Publishing Information
- Journal Title
- Physical Review Letters
- Journal Volume
- 70
- Journal Issue
- 4
- Journal Page Range
- p. 418-421.
- ISSN
- 0031-9007
- CODEN
- PRLTAO
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 24037011
- Subject category
- S74: ATOMIC AND MOLECULAR PHYSICS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- ANGULAR DISTRIBUTION; ASYMMETRY; CATIONS; COULOMB FIELD; CROSS SECTIONS; ELECTRON EMISSION; ENERGY DEPENDENCE; EXPERIMENTAL DATA; HELIUM IONS; HELIUM 3; HYDROGEN IONS 1 PLUS; ION-ATOM COLLISIONS; IONIZATION; NEON; PARAMETRIC ANALYSIS; PROJECTILES
- Descriptors DEC
- ATOM COLLISIONS; CHARGED PARTICLES; COLLISIONS; DATA; DISTRIBUTION; ELECTRIC FIELDS; ELEMENTS; EMISSION; EVEN-ODD NUCLEI; HELIUM ISOTOPES; HYDROGEN IONS; INFORMATION; ION COLLISIONS; IONS; ISOTOPES; LIGHT NUCLEI; NONMETALS; NUCLEI; NUMERICAL DATA; RARE GASES; STABLE ISOTOPES