A Departure from Prediction: Electroweak Physics at Nutev

K. S. McFarland , G. P. Zeller , T. Adams , A. Alton , S. Avvakumov , L. deBarbaro , P. deBarbaro , R. H. Bernstein

show 37 more authors

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

Authors on Pith no claims yet

classification ✦ hep-ex

keywords highpredictionanti-neutrinobeamselectroweakneutrinonutevprecision

0 comments

read the original abstract

The NuTeV experiment has performed precision measurements of the ratio of neutral-current to charged-current cross-sections in high rate, high energy neutrino and anti-neutrino beams on a dense, primarily steel, target. The separate neutrino and anti-neutrino beams, high statistics, and improved control of other experimental systematics, allow the determination of electroweak parameters with significantly greater precision than past neutrino-nucleon scattering experiments. Our null hypothesis test of the standard model prediction measures sin2thetaW=0.2277+/-0.0013(stat)+/-0.0009(syst), a value which is 3.0 standard deviations above the prediction. We discuss possible explanations for and implications of this discrepancy.

This paper has not been read by Pith yet.

A Departure from Prediction: Electroweak Physics at Nutev

discussion (0)