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

  • PS07 Tests of the Standard Model
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Abstract

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 Wμ ν channel and a few MeV in the We ν 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.

PACS: 12.15.Lk Electroweak radiative corrections – 13.40.K Electromagnetic corrections to strong- and weak-interaction processes

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Calame, C.C., Montagna, G., Nicrosini, O. et al. Multi-photon corrections to W boson mass determination at hadron colliders. Eur Phys J C 33 (Suppl 1), s665–s667 (2004). https://doi.org/10.1140/epjcd/s2003-03-712-1

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  • DOI: https://doi.org/10.1140/epjcd/s2003-03-712-1

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