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Smooth Massless Limit of {QED}

Authors
  • Contopanagos, H.F.
Publication Date
Jan 01, 1990
Identifiers
DOI: 10.1016/0550-3213(90)90581-W
OAI: oai:inspirehep.net:282815
Source
INSPIRE-HEP
Keywords
License
Unknown
External links

Abstract

Massless QED is studied by introducing different regularization schemes for the resulting mass singularities. It is demonstrated, for the one-loop corrections to electron scattering off an external potential, that cancellation of regulator-dependent finite parts within a Lee and Nauenberg (LN) set renders the observable process unique, thus establishing existence of its smooth massless limit.

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