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Improved vertex contribution to the decay rate of orthopositronium

โœ Scribed by M.A Stroscio


Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
108 KB
Volume
50
Category
Article
ISSN
0375-9601

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Two-Loop Correction to the Orthopositron
โœ Gregory S. Adkins; Richard N. Fell; J. Sapirstein ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 473 KB

We give a detailed description of our calculation of the O(ฮฑ 2 ) correction to the orthopositronium decay rate. The resulting correction is 45.06(26) in units of (ฮฑ/ฯ€) 2 times the lowest order rate. When combined with other known corrections, the theoretical prediction for the decay rate is 7.039979