Monday, January 12, 2009
Measurement of W Boson Mass at D0
The measurement of the W boson mass provides a stringent test of the Standard Model of particle physics, and can be used to constrain the mass of the Higgs boson - the last particle remaining to be discovered in the standard model. In this talk, I will describe the measurement of the W boson mass at D0 in electron decay channel using 1/fb of Run II data at the Fermilab Tevatron. The overall uncertainty is expected to be about 45 MeV and will be the most precise measurement from one single experiment around the world. I will also describe three other electroweak measurements that are closely related with the W boson mass measurement.