Abstract
We present some results of the Drell-Yan cross sections dσ/dm and σtot which includes the contribution to the coefficient function. In particular we study the total cross section σtot for vector boson production and dσ/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 versus DIS) and the factorization scale.

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