Phys. Rev. A 31, 1250–1252 (1985)Inner-vertex contribution to the decay rate of orthopositroniumReceived 15 October 1984; published in the issue dated March 1985 In this paper the order-α contribution of the inner-vertex graph to the decay rate of orthopositronium is obtained in analytic form. © 1985 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.31.1250
DOI:
10.1103/PhysRevA.31.1250
PACS:
12.20.Ds, 36.10.Dr
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