Precision measurement of electroweak parameters from the scattering of muon-neutrinos on electrons
(1994) Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics —
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- Abstract
- (en) We report final results on electroweak parameters from muon-neutrino electron scattering observed in the CHARM II detector from 1987 till 1991. In total 2677±82 and 2752±88 neutrino-electron scattering events have been detected in the ν and -beam, respectively. From the ration of differential cross sections we obtain for the electroweak mixing angle sin2 Θ = 0.2324±0.0083. From the absolute neutrino-electron scattering event rate we determined the effective vector and axial-vector neutral current coupling constants to be gVve = -0.035±0.017 and gAve = -0.503±0.017.
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Grégoire, G., Knoops, E., Lemaître, V., Vilain, P., Favart, D., & et al. (1994). Precision measurement of electroweak parameters from the scattering of muon-neutrinos on electrons. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics. https://doi.org/10.1016/0370-2693(94)91421-4