Tensorial NSI and Unparticle physics in neutrino scattering

Abstract

We have analyzed the electron anti-neutrino scattering off electrons and the electron anti-neutrino-nuclei coherent scattering in order to obtain constraints on tensorial couplings. We have studied the formalism of non-standard interactions (NSI), as well as the case of Unparticle physics. For our analysis we have focused on the recent TEXONO collaboration results and we have obtained current constraints to possible electron anti-neutrino-electron tensorial couplings in both new physics formalisms. The possibility of measuring for the first time electron anti-neutrino-nucleus coherent scattering and its potential to further constrain electron anti-neutrino-quark tensorial couplings is also discussed.

15 pages, 6 figures, 2 tables. Accepted for publication in International Journal of Modern Physics A

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• Recent probes of standard and non-standard neutrino physics with nuclei
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• The reactor antineutrino anomaly and low energy threshold neutrino experiments
• Dark matter detectors as a novel probe for light new physics
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• Constraints on New Physics with Light Mediators and Generalized Neutrino Interactions via Coherent Elastic Neutrino Nucleus Scattering
• Probing light mediators with recent PandaX-4T low energy electron recoil data
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• New Results on Neutrino Magnetic Moments and on Democratic Neutrinos
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