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Séminaires transverses

Measurement of the W mass with LHCb

by Mika Vesterinen (Warwick)

100/-1-A900 - Auditorium Joliot Curie (IJCLab)

100/-1-A900 - Auditorium Joliot Curie


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The W boson mass is measured using proton-proton collision data at a centre-of-mass energy of 13 TeV corresponding to an integrated luminosity of 1.7 fb-1 recorded during 2016 by the LHCb experiment.  The W mass is determined from the transverse momentum distribution of muons from W decays.
This analysis serves as pathfinder for future exploitation, with larger datasets, of LHCb’s unique forward rapidity coverage to complement measurements of the W mass by the other LHC experiments. The result is compared with previous measurements of the W mass and with the predicted value from the global electroweak fit.