Measurement of the W boson mass
arXiv:0908.0766 · doi:10.1103/PhysRevLett.103.141801
Abstract
We present a measurement of the W boson mass in W -> ev decays using 1 fb^-1 of data collected with the D0 detector during Run II of the Fermilab Tevatron collider. With a sample of 499830 W -> ev candidate events, we measure M_W = 80.401 +- 0.043 GeV. This is the most precise measurement from a single experiment.
As published in PRL