Large b behavior in the CGC/saturation approach: BFKL equation with pion loops

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Abstract

In this paper we proposed a solution to the long-standing problem of the color glass condensate(CGC)/saturation approach: the powerlike fall of the scattering amplitudes at large b. This decrease leads to the violation of the Froissart theorem and makes the approach theoretically inconsistent. We showed in the paper that the sum of the pion loops results in the exponential fall of the scattering amplitude at large impact parameters and in the restoration of the Froissart theorem.

Original languageEnglish
Article number054007
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume91
Issue number5
DOIs
StatePublished - 6 Mar 2015

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