Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-03-24
Nucl.Phys. B662 (2003) 334-358
Physics
High Energy Physics
High Energy Physics - Phenomenology
16 pages, 9 eps figures. Uses revtex4 and feynmf
Scientific paper
10.1016/S0550-3213(03)00334-1
We analyze the order-$\alpha_s^2$ QCD corrections to semi-inclusive deep inelastic scattering and present results for processes initiated by a gluon. We focus in the most singular pieces of these corrections in order to obtain the hitherto unknown NLO evolution kernels relevant for the non homogeneous QCD scale dependence of these cross sections, and to check explicitly factorization at this order. In so doing we discuss the prescription of overlapping singularities in more than one variable.
Daleo Alejandro
Garcia Canal Carlos A.
Sassot Rodolfo
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