Matching the Discrete BFKL Pomeron to DGLAP§

H. Kowalski*, L.N. Lipatov, D.A. Ross
DESY, St. Petersburg, Southampton, Germany

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© Kowalskiet al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the DESY, St. Petersburg, Southampton, Germany; Tel: +44-2380592675; Fax: +44-2380593910; E-mail:
§ Presented at the Low x workshop, May 30 - June 4 2013, Rehovot and Eilat, Israel.


The discrete BFKL formalism which accounts for the running of the coupling and incorporates information about the phase of the oscillations at small transverse momentum, arising from the infrared properties of QCD, leads to a QCD pomeron consisting of a set of discrete Regge poles. Here we discuss under what circumstances this discrete pomeron leads to an amplitude which matched the prediction of a DGLAP analysis in the double leading logarithm limit.

Keywords:: BFKL Equation, low-x, structure functions, pomeron, Green function.