Evidence for the discrete asymptotically-free BFKL Pomeron from HERA data


Ellis, J., Kowalski, H. and Ross, D.A. (2008) Evidence for the discrete asymptotically-free BFKL Pomeron from HERA data. Physics Letters B, 668, (1), 51-56. (doi:10.1016/j.physletb.2008.08.007).

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Description/Abstract

We show that the next-to-leading-order renormalization-group-improved asymptotically-free BFKL Pomeron provides a good fit to HERA data on virtual photoproduction at small x and large Q2. The leading discrete Pomeron pole reproduces qualitatively the Q2 dependence of the HERA data for x10−3, and a fit using the three leading discrete singularities reproduces quantitatively the Q2 and x dependence of the HERA data for x<10−2. This fit fixes the phase for all the BFKL wavefunctions at a chosen infrared scale.

Item Type: Article
ISSNs: 0370-2693 (print)
Subjects: Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > School of Physics and Astronomy > Southampton High Energy Physics
ePrint ID: 144573
Date Deposited: 14 Apr 2010 12:56
Last Modified: 27 Mar 2014 19:05
URI: http://eprints.soton.ac.uk/id/eprint/144573

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