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Title: A precision measurement of electroweak parameters in neutrino-nucleon scattering

Abstract

The CCFR collaboration reports a precise measurement of electroweak parameters derived from the ratio of neutral-current to charged-current cross-sections in neutrino-nucleon scattering at the Fermilab Tevatron. We determine sin 2 θ$$(on-shell)\atop{W}$$ = 0.2236 ± 0.0028 (expt.) ± 0.0030 (model) for M top = 175 GeV, M Higgs = 150 GeV. This is equivalent to MW = 80.35 ± 0.21 GeV. The good agreement of this measurement with Standard Model expectations implies the exclusion of additional vvqq contact interactions at 95% confidence at a mass scale of 1-8 TeV, depending on the form of the contact interaction.

Authors:
 [1]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States). et al.
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
Contributing Org.:
CCFR/NuTeV Collaboration
OSTI Identifier:
1410299
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 1; Journal Issue: 3; Journal ID: ISSN 1434-6044
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

McFarland, K. S. A precision measurement of electroweak parameters in neutrino-nucleon scattering. United States: N. p., 1998. Web. doi:10.1007/s100520050099.
McFarland, K. S. A precision measurement of electroweak parameters in neutrino-nucleon scattering. United States. doi:10.1007/s100520050099.
McFarland, K. S. Thu . "A precision measurement of electroweak parameters in neutrino-nucleon scattering". United States. doi:10.1007/s100520050099. https://www.osti.gov/servlets/purl/1410299.
@article{osti_1410299,
title = {A precision measurement of electroweak parameters in neutrino-nucleon scattering},
author = {McFarland, K. S.},
abstractNote = {The CCFR collaboration reports a precise measurement of electroweak parameters derived from the ratio of neutral-current to charged-current cross-sections in neutrino-nucleon scattering at the Fermilab Tevatron. We determine sin2 θ$(on-shell)\atop{W}$ = 0.2236 ± 0.0028 (expt.) ± 0.0030 (model) for Mtop = 175 GeV, MHiggs = 150 GeV. This is equivalent to MW = 80.35 ± 0.21 GeV. The good agreement of this measurement with Standard Model expectations implies the exclusion of additional vvqq contact interactions at 95% confidence at a mass scale of 1-8 TeV, depending on the form of the contact interaction.},
doi = {10.1007/s100520050099},
journal = {European Physical Journal. C, Particles and Fields},
number = 3,
volume = 1,
place = {United States},
year = {1998},
month = {1}
}

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