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February 15, 2013 | 4:00 p.m. - 5:00 p.m.
Category: Seminar
Location: Physics #312 | Map
666 W. Hancock
Detroit, MI 48201
Cost: no charge
Audience: Alumni, Community, Current Graduate Students, Current Undergraduate Students, Faculty, Parents, Prospective Students, Staff

Bo Jayatalika from Fermilab presents: Precision Measurement of the W Boson Mass at CDF

Abstract: The W boson mass is a crucial parameter in the standard model of particle physics, providing constraints on the mass of the Higgs boson as well as on new physics models via quantum loop corrections. We have measured the W boson mass using data corresponding to 2.2/fb of integrated luminosity collected with the CDF II detector at the Fermilab Tevatron. The measurement, performed using electron and muon decays of W bosons, yields a mass of 80387±19 MeV. This represents the single most precise measurement of the W boson mass ever performed, significantly surpassing the precision of all prior measurements combined. An updated world average of the W boson mass, including all recent Tevatron measurements, as well as the resulting standard model implications, will be presented.

For more information about this event, please contact Joern Putschke at 313-577-5407 or du8478@wayne.edu.