Threshold corrections to rapidity distributions of Z and W^\pm bosons beyond N^2 LO at hadron colliders

Details Threshold corrections to rapidity distributions of Z and W^\pm bosons beyond N^2 LO at hadron colliders Threshold corrections to rapidity distributions of Z and W^\pm bosons beyond N^2 LO at hadron colliders

2007-08-13

arxiv.org/abs/0708.1689v1

Phys.Rev.D76:114004,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 8 eps figures. This paper is dedicated to the memory of W.L.G.A.M. van Neerven

Scientific paper

10.1103/PhysRevD.76.114004

Threshold enhanced perturbative QCD corrections to rapidity distributions of $Z$ and $W^\pm$ bosons at hadron colliders are presented using the Sudakov resummed cross sections at N${}^3$LO level. We have used renormalisation group invariance and the mass factorisation theorem that these hard scattering cross sections satisfy to construct the QCD amplitudes. We show that these higher order threshold QCD corrections stabilise the theoretical predictions for vector boson production at the LHC under variations of both renormalisation and factorisation scales.

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