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Positron annihilation in helium
- Source :
- Journal of Physics B: Atomic and Molecular Physics. 1:34-35
- Publication Year :
- 1968
- Publisher :
- IOP Publishing, 1968.
-
Abstract
- The annihilation rate of positrons in helium gas is proportional to an effective electron number Z which is calculated using the positron scattering wave function obtained by Houston and Moiseiwitsch in 1967. The value Z = 4·61 is obtained and this may be compared with the experimental value Z similar,equals 3·9 obtained by Falk et al. in 1965.
Details
- ISSN :
- 00223700
- Volume :
- 1
- Database :
- OpenAIRE
- Journal :
- Journal of Physics B: Atomic and Molecular Physics
- Accession number :
- edsair.doi...........50a3da0830adf64fad0249d99b5a27ca