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Solution of approximate gluon evolution equation for small-x at fixed ‘ρ’
Authors:A Saikia
Institution:(1) Department of Physics, Arya Vidyapeeth College, 781 016 Guwahati, India
Abstract:A simple method has been applied to solve the approximate gluon evolution equation for small-x at fixedρ(≡√ln(x 0/x)/lnln(Q 22)/ln(Q 0 22)]. Numerical comparison is made with the predictions from ‘double asymptotic scaling’ and fit. Better agreement is found between our solution and fit nearρ=1. The solution gives approximate double scaling in this region having ‘hard’ pomeron with small contamination.
Keywords:Gluon evolution equation  double scaling variables  small-x            soft and hard pomeron
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