B-behaviour and CGC/saturation approach: The BFKL equation with massive gluon

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Abstract

In this talk we discuss the BFKL equation in the non-abelian gauge theory with the Higgs mechanism of the mass generation We view this equation as a model for the correct large-b behaviour of the scattering amplitude at high energy We found that the spectrum of the massive BFKL Pomeron coincides with the spectrum of the massless BFKL equation for all ω's and propose a simple approximation for the eigenfunction of the massive BFKL equation We calculated that the slope of the trajectory is not generated in the massive BFKL equation Hence we can state that the correct behaviour at large b does not influence the main properties of the BFKL equation

Original languageEnglish
Title of host publicationDIFFRACTION 2014
Subtitle of host publicationInternational Workshop on Diffraction in High-Energy Physics
EditorsMarcella Capua, Kornelija Passek-Kumericki, Enrico Tassi, Gian Paolo Vacca, Kresimir Kumericki, Roberto Fiore, Alessandro Papa
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735412965
DOIs
StatePublished - 10 Apr 2015
EventInternational Workshop on Diffraction in High-Energy Physics, DIFFRACTION 2014 - Primosten, Croatia
Duration: 10 Sep 201416 Sep 2014

Publication series

NameAIP Conference Proceedings
Volume1654
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Workshop on Diffraction in High-Energy Physics, DIFFRACTION 2014
Country/TerritoryCroatia
CityPrimosten
Period10/09/1416/09/14

Keywords

  • BFKL equation
  • Higgs mechanism
  • Large b behaviour
  • QCD at high energies

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