Concepedia

The decay rate of ortho-positronium in vacuum

T C Griffith, G R Heyland, K S Lines, Tae Twomey

Journal of Physics B Atomic and Molecular Physics · 1978 · 29 citations · 9 references

DOI

Concepts

Abstract

The decay rate of ortho-positronium in a gas has been determined as a function of the gas density. A vacuum decay rate of 7.045+or-0.006 mu s-1 has deduced by extrapolation to zero density and is in agreement with the most recent theoretical value.

References

9

Three-Photon Annihilation of an Electron-Positron Pair

A. Ore, J. Powell · Physical Review · 1949 · 444 citations

, , +5

Experimental aspects of the study of the interaction of low-energy positrons with gases

T C Griffith, G R Heyland · Physics Reports · 1978 · 159 citations

, , +12

The analysis of data obtained with time to amplitude converter and multichannel analyser systems

P. G. Coleman, T C Griffith, G R Heyland · Applied Physics A · 1974 · 55 citations

, , +11

Measurement of the Vacuum Decay Rate of Orthopositronium

David W. Gidley, P. W. Zitzewitz, K. A. Marko et al. · Physical Review Letters · 1976 · 49 citations

, , +8

New Experimental Value for the Orthopositronium Decay Rate

David W. Gidley, A. Rich, P. W. Zitzewitz et al. · Physical Review Letters · 1978 · 42 citations

, , +8