QCD traveling waves at non-asymptotic energies

Details QCD traveling waves at non-asymptotic energies QCD traveling waves at non-asymptotic energies

2005-09-08

arxiv.org/abs/hep-ph/0509074v2

Phys.Lett.B628:239-249,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 5 figures, minor revision, version to appear in PLB

Scientific paper

10.1016/j.physletb.2005.09.035

Using consistent truncations of the BFKL kernel, we derive analytical traveling-wave solutions of the Balitsky-Kovchegov saturation equation for both fixed and running coupling. A universal parametrization of the ``interior'' of the wave front is obtained and compares well with numerical simulations of the original Balitsky-Kovchegov equation, even at non-asymptotic energies. Using this universal parametrization, we find evidence for a traveling-wave pattern of the dipole amplitude determined from the gluon distribution extracted from deep inelastic scattering data.

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