Vector-boson production at hadron colliders: hard-collinear coefficients at the NNLO

By S. Catani, L. Cieri, D. Florian, G. Ferrera, M. Grazzini. The European Physical Journal C, 2012

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We consider QCD radiative corrections to vector-boson production in hadron collisions. We present the next-to-next-to-leading order (NNLO) result of the hard-collinear coefficient function for the all-order resummation of logarithmically enhanced contributions at small transverse momenta. The coefficient function controls NNLO contributions in resummed calculations at full next-to-next-to-leading logarithmic accuracy. The same coefficient function is used in applications of the subtraction method to perform fully exclusive perturbative calculations up to NNLO.

Subfields: Nuclear and High Energy Physics

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