Multi-photon corrections to W boson mass determination at hadron colliders

Details Multi-photon corrections to W boson mass determination at hadron colliders Multi-photon corrections to W boson mass determination at hadron colliders

2003-10-29

arxiv.org/abs/hep-ph/0310334v1

Eur.Phys.J.C33:s665-s667,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 2 figures, to appear in the proceedings of International Europhysics Conference on High-Energy Physics (EPS 2003), Aa

Scientific paper

10.1140/epjcd/s2003-03-712-1

The impact of higher-order final-state photonic corrections on the precise determination of the W-boson mass at the Tevatron and LHC colliders is evaluated. The W-mass shift from a fit to the transverse mass distribution is found to be about 10 MeV in the W --> mu nu channel and a few MeV in the W --> e nu channel. The calculation, which is implemented in the Monte Carlo event generator HORACE for data analysis, can contribute to reduce the uncertainty associated to the W mass measurement at present and future hadron collider experiments.

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