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First Measurement of the W Boson Mass in Run II of the Tevatron
Journal article   Peer reviewed

First Measurement of the W Boson Mass in Run II of the Tevatron

Mario Campanelli, Allan Geoffrey Clark, Andrew Hamilton, Régis Lefevre, Shulamit Moed, Anna Sfyrla, Irina Shreyber, Sofia Vallecorsa, Xin Wu, Collaboration Cdf, …
Physical review letters, Vol.99(15), pp.151801-151801
06/30/2007
DOI: https://doi.org/10.1103/PhysRevLett.99.151801
PMID: 17995156

Abstract

boson mass Bosons Data recording Detectors Experiment High Energy Physics Measurement theory Phenomenology Physics Tevatron
Submitted to Phys. Rev. Lett. July 6, 2007.; We present a measurement of the W boson mass using 200 pb-1 of data collected in p anti-p collisions at s**(1/2) = 1.96 TeV by the CDF II detector at Run II of the Fermilab Tevatron. With a sample of 63964 W --> e nu candidates and 51128 W --> mu nu candidates, we measure M_W = (80413 +/- 34_stat +/- 34_syst = 80413 +/- 48) MeV/c2. This is the most precise single measurement of the W boson mass to date.

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