Small-x physics beyond the Kovchegov equation

Details Small-x physics beyond the Kovchegov equation Small-x physics beyond the Kovchegov equation

2004-02-18

arxiv.org/abs/hep-ph/0402193v2

Nucl.Phys.B692:175-208,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

38 pages, 8 figures, typos corrected

Scientific paper

10.1016/j.nuclphysb.2004.05.016

We note the differences between the Kovchegov equation and the Balitsky-JIMWLK equations as methods of evaluating high energy hard scattering near the unitarity limit. We attempt to simulate some of the correlations absent in the Kovchegov equation by introducing two boundaries rather than the single boundary which effectively approximates the unitarity limit guaranteed in the Kovchegov equation. We solve the problem of BFKL evolution in the presence of two boundaries and note that the resulting T-matrix now is the same in different frames, which was not the case in the single boundary case. The scaling behavior of the solution to the Kovchegov equation is apparently now lost.

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