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

被引：0
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作者：
Stefano Catani
Leandro Cieri
Daniel de Florian
Giancarlo Ferrera
Massimiliano Grazzini
机构：
[1] Università di Firenze,INFN, Sezione di Firenze and Dipartimento di Fisica e Astronomia
[2] Universidad de Buenos Aires,Departamento de Física, FCEYN
[3] Università di Milano and INFN,Dipartimento di Fisica
[4] Universität Zürich,Institut für Theoretische Physik
来源：
The European Physical Journal C | 2012年 / 72卷
关键词：
Vector Boson; Coefficient Function; Partonic Cross Section; NNLO Calculation; Resummation Formula;
D O I：
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摘要：
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.
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