O (α3 ln α) corrections to positronium decay rates

Kirill Melnikov and Alexander Yelkhovsky
Phys. Rev. D 62, 116003 – Published 30 October 2000
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Abstract

We compute O(α3lnα) corrections to the decay rates of para- and orthopositronium into two and three photons, respectively. For this calculation we employ the nonrelativistic QED regularized dimensionally and we explain how in this framework the logarithms of the fine-structure constant can be extracted.

  • Received 24 August 2000

DOI:https://doi.org/10.1103/PhysRevD.62.116003

©2000 American Physical Society

Authors & Affiliations

Kirill Melnikov*

  • Stanford Linear Accelerator Center, Stanford University, Stanford, California 94309

Alexander Yelkhovsky

  • Budker Institute for Nuclear Physics, Novosibirsk 630090, Russia

  • *Email address: melnikov@slac.stanford.edu
  • Email address: yelkhovsky@inp.nsk.su

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Vol. 62, Iss. 11 — 1 December 2000

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