A Precise Determination of Electroweak Parameters in Neutrino-Nucleon Scattering

Preprint

25 October 2001

preprint
Published by arXiv in arXiv

Abstract

The NuTeV collaboration has extracted the electroweak parameter sin^2theta_W from the measurement of the ratios of neutral current to charged current neutrino and anti-neutrino cross-sections. Our value, sin^2theta_W(on-shell)=0.2277+/-0.0014(stat)+/-0.0008(syst), is three standard deviations above the standard model prediction. We also present a model independent analysis of the same data in terms of neutral-current quark couplings.

Keywords

ANALYSIS OF THE SAME DATA
ELECTROWEAK PARAMETERS
PRECISE DETERMINATION
NEUTRINO NUCLEON
STANDARD MODEL
SCATTERING
2THETA_W

All Related Versions

Version 1, 2001-10-25, ArXiv
Version 2, 2001-10-30, ArXiv
Version 3, 2003-03-25, ArXiv
Published version: Physical Review Letters, 88 (9), 091802.

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