Virtual annihilation contribution to orthopositronium decay rate

Publisher Website

1 October 1999

journal article
research article
Published by American Physical Society (APS) in Physical Review A

Vol. 60 (4) , 3306-3307
https://doi.org/10.1103/physreva.60.3306

Abstract

Order

α^{2}

contribution to the orthopositronium decay rate due to one-photon virtual annihilation is found to be

δ_{ann} Γ^{(2)} = (α / π)^{2} [π^{2} \ln α - 0.8622 (9)] Γ_{LO} .

Keywords

All Related Versions

Version 1, 1999-05-31, ArXiv

This publication has 8 references indexed in Scilit:

$α^{2}$ Corrections to Parapositronium Decay
Physical Review Letters, 1999
PositroniumS-state spectrum: Analytic results at $O (m α^{6})$
Physical Review A, 1999
Analytic Evaluation of the Orthopositronium-to-Three-Photon Decay Amplitudes to One-Loop Order
Physical Review Letters, 1996
New measurement of the orthopositronium decay rate
Physics Letters B, 1995
Two-loop corrections to the orthopositronium and parapositronium decay rates due to vacuum polarization
Physical Review A, 1995
Contribution of light-by-light scattering to the ordersO(m $α^{8}$ ) andO(m $α^{8}$ ln α) orthopositronium decay rate
Physical Review A, 1995
Light-by-light scattering contribution to the decay rate of orthopositronium at order $α^{2}$ $Γ_{LO}$
Physical Review A, 1995
Precision measurement of the orthopositronium decay rate using the vacuum technique
Physical Review Letters, 1990