Parapositronium can decay into three photons
High Energy Physics - Phenomenology
2017-11-15 v2 High Energy Physics - Theory
Abstract
We calculate the decay rate and spectrum for the decay of parapositronium into three photons. This process violates charge conjugation symmetry. It is forbidden within quantum electrodynamics but proceeds through the weak interaction. The branching ratio we find is fifty orders of magnitude smaller than the previous estimate.
Keywords
Cite
@article{arxiv.1707.09466,
title = {Parapositronium can decay into three photons},
author = {Andrzej Pokraka and Andrzej Czarnecki},
journal= {arXiv preprint arXiv:1707.09466},
year = {2017}
}
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Accpted to PRD