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Tests of flavor universality for neutrino- $Z$ couplings in future neutrino experiments

A. B. Balantekin^*

İ. Şahin^† and B. Şahin^‡

Department of Physics, University of Wisconsin, Madison, Wisconsin 53706, USA

Department of Physics, University of Wisconsin, Madison, Wisconsin 53706, USA
Department of Physics, Faculty of Sciences, Ankara University, 06100 Tandogan, Ankara, Turkey

^*baha@physics.wisc.edu
^†sahin@wisc.edu; isahin@science.ankara.edu.tr
^‡bsahin@wisc.edu; dilec@science.ankara.edu.tr

Phys. Rev. D 78, 073003 – Published 6 October, 2008

DOI: https://doi.org/10.1103/PhysRevD.78.073003

Abstract

We investigate the physics potential of the NuSOnG experiment to probe new physics contributions to $Z ν ν$ couplings in muon-neutrino-electron elastic and neutral-current deep-inelastic scattering processes. We employ an effective Lagrangian approach and do not a priori assume universality of the coupling of neutrinos to $Z$ . We obtain 95% C.L. limits on possible universality violating couplings.

Article Text

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