Reggeon cuts in QCD amplitudes with negative signature

V. S. Fadin, L. N. Lipatov

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Reggeon cuts in QCD amplitudes with negative signature are discussed. These cuts appear in the next-to-next-to-leading logarithmic approximation and greatly complicate the derivation of the BFKL equation. Feynman diagrams responsible for appearance of these cuts are indicated and the cut contributions are calculated in the two- and three-loop approximations.

Original languageEnglish
Article number439
Number of pages7
JournalEuropean Physical Journal C
Volume78
Issue number6
DOIs
Publication statusPublished - 1 Jun 2018

Keywords

  • POMERANCHUK SINGULARITY
  • ELEMENTARY-PARTICLES
  • REGGEIZATION

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