A Precise Determination of Electroweak Parameters in Neutrino-Nucleon Scattering
NuTeV Collaboration, G. P. Zeller, K. S. McFarland, T. Adams, A. Alton, S. Avvakumov, L. deBarbaro, P. deBarbaro, R. H. Bernstein, A. Bodek, T. Bolton, J. Brau, D. Buchholz, H. Budd, L. Bugel, J. Conrad, R. B. Drucker, B. T. Fleming, R. Frey, J. A. Formaggio, J. Goldman, M. Goncharov, D. A. Harris, R. A. Johnson, J. H. Kim, S. Koutsoliotas, M. J. Lamm, W. Marsh, D. Mason, J. McDonald, C. McNulty, D. Naples, P. Nienaber, A. Romosan, W. K. Sakumoto, H. Schellman, M. H. Shaevitz, P. Spentzouris, E. G. Stern, N. Suwonjandee, M. Tzanov, M. Vakili, A. Vaitaitis, U. K. Yang, J. Yu, E. D. Zimmerman
Abstract
The NuTeV collaboration has extracted sin2thetaW from the ratios of neutral current to charged current neutrino and anti-neutrino cross-sections. Our value, sin2thetaW(on-shell)=0.2277+/-0.0013(stat)+/-0.0009(syst), is three standard deviations above the standard model prediction. We also present a model independent analysis of the same data.
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