Soft Gluon Resummation in Transverse Momentum Space for Electroweak Boson Production at Hadron Colliders

Details Soft Gluon Resummation in Transverse Momentum Space for Electroweak Boson Production at Hadron Colliders Soft Gluon Resummation in Transverse Momentum Space for Electroweak Boson Production at Hadron Colliders

2001-03-09

arxiv.org/abs/hep-ph/0103089v1

Eur.Phys.J.C20:349-356,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 6 figures, LaTeX, uses epsfig

Scientific paper

10.1007/s100520100666

The distribution of W and Z bosons produced with small transverse momentum (pt) at hadron colliders receives important contributions from large logarithms arising from soft gluon emission. Although conventionally the all-orders resummation of these `Sudakov' logarithms is performed in impact parameter (Fourier transform) space, pt-space resummation is also possible, and offers certain advantages.We present a detailed phenomenological analysis of W and Z production at small pt at the Tevatron $p \bar p$ collider, using pt-space resummation. A good description of the CDF and D0 data can be obtained provided a significant non-perturbative contribution is included. We also present predictions for the LHC.

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