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Phys. Rev. Lett. 88, 091802 (2002) [4 pages]

Precise Determination of Electroweak Parameters in Neutrino-Nucleon Scattering

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G. P. Zeller et al.
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Received 25 October 2001; published 12 February 2002

The NuTeV Collaboration has extracted the electroweak parameter sin2θW from the measurement of the ratios of neutral current to charged current ν and ν̅ cross sections. Our value, sin2θW(on-shell) = 0.2277±0.0013(stat)±0.0009(syst), is 3 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.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.88.091802
DOI:
10.1103/PhysRevLett.88.091802
PACS:
12.15.Ji, 12.15.Mm, 13.15.+g

See Also

Erratum: G. P. Zeller et al., Erratum: Precise Determination of Electroweak Parameters in Neutrino-Nucleon Scattering [Phys. Rev. Lett. 88, 091802 (2002)], Phys. Rev. Lett. 90, 239902 (2003).