Soft partons in QCD

John C. Collins, George Sterman

Research output: Contribution to journalArticlepeer-review

113 Scopus citations


The role of partons with momenta much less than the c.m. energy is studied in general n-particle inclusive annihilation cross sections. The cancellation of non-factorizing logarithms associated with these partons is demonstrated in physical gauges. This is seen to be equivalent to cancellation of a set of infrared divergences in the massless limit. Connections with cut vertices and more complicated processes are discussed.

Original languageEnglish (US)
Pages (from-to)172-188
Number of pages17
JournalNuclear Physics, Section B
Issue number1
StatePublished - Jul 13 1981

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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