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On the Effect of Asymmetric Strange Seas and Isospin-Violating Parton Distribution Functions on sin2thetaW Measured at NuTeV

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arxiv hep-ex/0203004 v3 pith:MPGXJVHQ submitted 2002-03-02 hep-ex

NuTeV Collaboration: G.P. Zeller , K.S. McFarland , et al This is my paper · ORCID
classification hep-ex
keywords sin2thetawmeasurednutevstandardstrangesymmetricaboveassuming
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The NuTeV collaboration recently reported a value of sin2thetaW measured in neutrino-nucleon scattering that is 3 standard deviations above the standard model prediction. This result is derived assuming that (1) the strange sea is quark-antiquark symmetric, s(x)=sbar(x), and (2) up and down quark distributions are symmetric under the simultaneous interchange of u<->d and p<->n. We report the impact of violations of these symmetries on sin2thetaW and discuss the theoretical and experimental constraints on such asymmetries.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The Neutrino Slice at Muon Colliders

    hep-ph 2024-12 conditional novelty 7.0 of 10

    Beam-induced neutrinos at a muon collider would yield around 10^11 interactions per year in the main detector, enabling precision electroweak and neutrino measurements.

  2. Strange-antistrange and charm-anticharm asymmetries of pion in 't Hooft model

    hep-ph 2024-12 conditional novelty 5.0 of 10

    In the 't Hooft model, the first excited pion has a few-percent strange-antistrange asymmetry, and the meson cloud model reproduces it but fails for charm-anticharm asymmetry.

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