Universality of traveling waves with QCD running coupling
Abstract
``Geometric scaling'', i.e. the dependence of DIS cross-sections on the ratio Q/QS, where QS(Y) is the rapidity-dependent scale, can be theoretically obtained from universal ``traveling wave'' solutions of the nonlinear Balitsky-Kovchegov (BK) QCD evolution equation at fixed coupling. We examine the similar mean-field predictions beyond leading-logarithmic order, including running QCD coupling.
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