Discussion about the orthopositronium decay rate and analysis of some $O(α^2)$ contributions

Details Discussion about the orthopositronium decay rate and analysis of some $O(α^2)$ contributions Discussion about the orthopositronium decay rate and analysis of some $O(α^2)$ contributions

1998-07-29

arxiv.org/abs/hep-ph/9807542v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Extended version of the talk given at the International Workshop "HADRONIC ATOMS AND POSITRONIUM IN THE STANDARD MODEL", DUBNA

Scientific paper

I consider the problem of the evaluation of the orthopositronium decay rate,
including second order radiative corrections. I present a brief theoretical
discussion of this problem and a review of the results available in literature,
and, then, I analyze some $O(\alpha^2)$ annihilation-type contributions,
recently computed.

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