Multiplicity distribution of dipoles in QCD from the Le-Mueller-Munier equation

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In this paper we derived in QCD the Balitsky-Fadin-Kuraev-Lipatov (BFKL) linear, inhomogeneous equation for the factorial moments of multiplicity distribution () from Le-Mueller-Munier equation. In particular, the equation for the average multiplicity of the color-singlet dipoles () turns out to be the homogeneous BFKL while at small . Second, using the diffusion approximation for the BFKL kernel we show that the factorial moments are equal to which leads to the multiplicity distribution . We also suggest a procedure for finding corrections to this multiplicity distribution which will be useful for descriptions of the experimental data.

Original languageEnglish
Article number056025
JournalPhysical Review D
Issue number5
StatePublished - 1 Sep 2021


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