W Boson Mass and Width at the Tevatron

Details W Boson Mass and Width at the Tevatron W Boson Mass and Width at the Tevatron

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005iche.conf..503h&link_type=abstract

HIGH ENERGY PHYSICS, ICHEP 2004. Proceedings of the 32nd International Conference. Held 16-22 August 2004 in Beijing, China. Edi

Physics

High Energy Physics

Scientific paper

The CDF and DØ experiments at the Tevatron measure the W boson mass and width with high precision. The Run 1 measurements have been combined to yield MWTevatron = 80.456 ± 0.059 GeV and Γ WTevatron = 2.115 ± 0.105 GeV. CDF has analyzed 0.2 fb-l of Run 2 data and determined the uncertainties on the W boson mass measurements in the electron and muon decay channels. Combining the two channels yields a 76 MeV uncertainty, which is lower than the uncertainty on the Run 1 CDF W boson mass measurement.

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