Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-07-03
Acta Phys.Polon.B39:2571-2576,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
5 pages, 3 figures, presented at the School on QCD, Low x Physics, Saturation and diffraction, Copanello, Italy, July 1-14, 20
Scientific paper
We test the performance of a RG-improved kernel in the determination of the amplitude of a physical process, the electroproduction of two light vector mesons,in the BFKL approach at the next-to-leading approximation (NLA). We find that a smooth behavior of the amplitude with the center-of-mass energy can be achieved, setting the renormalization and energy scales appearing in the subleading terms to values much closer to the kinematical scales of the process than in approaches based on unimproved kernels.
Caporale Francesco
Papa Alessandro
Vera Agustin Sabio
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