Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2005-06-07
Physics
High Energy Physics
High Energy Physics - Experiment
9 pages, 7 figures, to appear in the proceedings of the XIX Rencontres de Physique de La Vallee d'Aoste, La Thuile, Italy, Feb
Scientific paper
The CDF and D0 collaborations have analyzed up to ~200/pb of Run 2 physics data to measure W production properties such as the W cross section, the W width, lepton universality and the W charge asymmetry. From the cross section measurements, CDF obtains a lepton universality of g_mu/g_e = 0.998+-0.012 and g_tau/g_e = 0.99+-0.04 and an indirect W width of Gamma_W = 2079+-41 MeV. D0 measured the W width directly and finds Gamma_W = 2011+-142 MeV. CDF has estimated the uncertainties on the W boson mass measurements in the electron and muon decay channels and obtains an overall uncertainty of 76 MeV.
CDF for the
D0 Collaborations
Stelzer-Chilton Oliver
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