Electroweak Physics Results from NuTeV

Abstract

NuTeV has performed precise measurements of neutral-current to charged-current cross section ratios using intense high energy neutrino and anti-neutrino beams on a primarily steel target at the Fermilab Tevatron. A null hypothesis test of the standard model allows the extraction ${\sin }^2{\theta }_W^{\nu N}(\equiv 1-M_W^2/M_Z^2)=0.2277\pm 0.0013(stat)\pm 0.0009(syst)$, a value that differs from predictions of global electroweak fits by $+3.0\sigma$.

To appear in Proceedings of "QCD and High Energy Interactions", 2002 Recontres de Moriond