We consider the W and Z/γ∗ bosons transverse-momentum (qT) distribution at hadron colliders. We include the leptonic decay of vector bosons with the corresponding spin correlations, the finite width effects and the fully-differential dependence on leptonic variables. At small values of qT, we resum to all-orders the logarithmically-enhanced perturbative QCD contributions up to next-to-next-to-leading logarithmic accuracy. Resummed results are consistently combined with the next-to-leading fixed-order result at intermediate and large values of qT. We present a preliminary comparison with some of the available LHC data.
Transverse-momentum resummation: Vector boson production and decay at hadron colliders / G. Ferrera - In: Rencontres de Moriond on QCD and High Energy Interactions[s.l] : ARISF, 2012. - pp. 361-364 (( Intervento presentato al 47. convegno Rencontres de Moriond on QCD and High Energy Interactions Part of Proceedings, : March 10-17 tenutosi a La Thuile (Val d'Aosta) nel 2012.
Transverse-momentum resummation: Vector boson production and decay at hadron colliders
G. Ferrera
2012
Abstract
We consider the W and Z/γ∗ bosons transverse-momentum (qT) distribution at hadron colliders. We include the leptonic decay of vector bosons with the corresponding spin correlations, the finite width effects and the fully-differential dependence on leptonic variables. At small values of qT, we resum to all-orders the logarithmically-enhanced perturbative QCD contributions up to next-to-next-to-leading logarithmic accuracy. Resummed results are consistently combined with the next-to-leading fixed-order result at intermediate and large values of qT. We present a preliminary comparison with some of the available LHC data.File | Dimensione | Formato | |
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