DRELL-YAN PRODUCTION AT COLLIDER ENERGIES

We present some results of the Drell-Yan cross sections d sigma/dm and sigma(tot) which includes the O(alpha(s)(2)) contribution to the coefficient function. In particular we study the total cross section sigma(tot) for vector boson production and d sigma/dm for low invariant masses m of the lepton pairs at large hadron collider energies. This study includes a detailed discussion of the dependence of the cross sections on the chosen scheme (($) over bar ($) over bar MS versus DIS) and the factorization scale.