Neutrino Electron Scattering and Electroweak Gauge Structure: Future Tests

Abstract

Low-energy high-resolution neutrino-electron scattering experiments may play an important role in testing the gauge structure of the electroweak interaction. We propose the use of radioactive neutrino sources (e.g. ${}^{51}$Cr) in underground experiments such as BOREXINO, HELLAZ and LAMA. As an illustration, we display the sensitivity of these detectors in testing the possible existence of extra neutral gauge bosons, both in the framework of E_6 models and of models with left-right symmetry.

22 pages, revtex, 4 figures included, accepted for publication in Phys. Rev. D

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