High energy amplitude as an admixture of 'soft' and 'hard' Pomerons

Sergey Bondarenko*, Eugene Levin, C. I. Tan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

In this paper an attempt is made to find an interface of the perturbative BFKL Pomeron with the non-perturbative Pomeron originating from non-perturbative QCD phenomena such as QCD instantons and/or scale anomaly. The main idea is that the non-perturbative Pomeron involves a large scale (M0≈2 GeV), which is larger than the scale from which perturbative QCD is applicable. One key result is that even for processes involving a large hard scale (such as DIS) the low x behavior is determined by an effective Pomeron with an intercept having an essential non-perturbative QCD contribution.

Original languageEnglish
Pages (from-to)73-105
Number of pages33
JournalNuclear Physics A
Volume732
Issue number1-4
DOIs
StatePublished - 23 Feb 2004

Funding

FundersFunder number
German-Israeli Foundation for Scientific Research and DevelopmentI-620-22.14/1999
Israel Academy of Sciences and Humanities
Israel Science Foundation

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