Breakdown of dimensional regularization in the Sudakov problem

J. C. Collins, F. V. Tkachov

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

An explicit example is presented (a one-loop triangle graph) where dimensional regularization fails to regulate the infra-red singularities that emerge at intermediate steps of studying large-Q2 Sudakov factorization. The mathematical nature of the phenomenon is explained within the framework of the theory of the As-operation.

Original languageEnglish (US)
Pages (from-to)403-411
Number of pages9
JournalPhysics Letters B
Volume294
Issue number3-4
DOIs
StatePublished - Nov 19 1992

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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