The Iancu-Mueller factorization and high energy asymptotic behaviour

M. Kozlov, E. Levin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


We show that the Iancu-Mueller factorization has a simple interpretation in the Reggeon-like technique based on the BFKL Pomeron. The formula for calculating the high energy asymptotic behaviour for the colour dipole-dipole amplitude is proposed which suggests a procedure to calculate this amplitude through the solution to the Balitsky-Kovchegov non-linear equation. We confirm the Iancu-Mueller result that a specific set of enhanced diagrams is responsible for the high energy behaviour for fixed QCD coupling. However, it is argued that in the case of running QCD coupling, this asymptotic behaviour originates from the Balitsky-Kovchegov non-linear equation. A new solution to the non-linear equation is found which leads to a different asymptotic behaviour of the scattering amplitude even for fixed αS.

Original languageEnglish
Pages (from-to)291-315
Number of pages25
JournalNuclear Physics A
Issue number3-4
StatePublished - 26 Jul 2004


FundersFunder number
Israeli Academy of Science and Humanities
Israel Science Foundation


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