Zeitschrift für Physik C Particles and Fields

, Volume 11, Issue 3, pp 251–262 | Cite as

Regularization scheme dependence of virtual corrections to DY and DIS

  • F. Khalafi
Article
Received:

Abstract

One loop virtual corrections to the quark photon vertex are calculated under various assumptions and their sensitivity to the manner in which infra-red and mass singularities are regularized is studied. A method based on the use of Mellin-transforms in the Feynman parametric space is developed and shown to be convenient in calculating virtual diagrams beyond the leading logarithm in perturbative QCD.

Keywords

Field Theory Elementary Particle Quantum Field Theory Parametric Space Particle Acceleration 
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Copyright information

© Springer-Verlag 1981

Authors and Affiliations

  • F. Khalafi
    • 1
  1. 1.Department of Applied Mathematics and Theoretical PhysicsUniversity of CambridgeCambridgeUK

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