Leptonic contribution to the effective electromagnetic coupling constant up to three loops

Preprint

11 March 1998

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.hep-ph/9803313

Abstract

In this note the leptonic contribution to the running of the electromagnetic coupling constant is discussed up to the three-loop level. Special emphasize is put on the evaluation of the double-bubble diagrams.

Keywords

CONTRIBUTION TO THE EFFECTIVE
EFFECTIVE ELECTROMAGNETIC
ELECTROMAGNETIC COUPLING
LEPTONIC CONTRIBUTION
COUPLING CONSTANT
SPECIAL EMPHASIZE
BUBBLE

All Related Versions

Version 1, 1998-03-11, ArXiv
Published version: Physics Letters B, 429 (1-2), 158.

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