Large relativistic corrections to the positronium decay rate
classification
✦ hep-ph
keywords
alphacorrectionsdecaypositroniumraterelativisticcalculatedclose
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Relativistic corrections to the positronium decay rate are calculated. They are close to $40(\alpha /\pi)^2$ and $46(\alpha /\pi)^2$ for singlet and triplet states respectively.
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