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Vector leptoquark $U_3$ and CP violation at T2K, NOvA experiments

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arxiv 2205.04269 v2 pith:IWXZ6K4I submitted 2022-05-09 hep-ph

classification hep-ph
keywords neutrinooscillationexperimentsinteractionsleptoquarkmatternovaparameter
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

In the current epoch of neutrino physics, many experiments are aiming for precision measurements of oscillation parameters. Thus, various new physics scenarios which alter the neutrino oscillation probabilities in matter deserve careful investigation. In this context, we study the effect of a vector leptoquark which induces non-standard neutrino interactions (NSI) that modify the oscillation probabilities of neutrinos in matter. We show that such interactions provide a relatively large value of NSI parameter $\varepsilon_{e \mu}$. Considering this NSI parameter, we successfully explain the recent discrepancy between the observed $\delta_{CP}$ results of T2K and NOvA.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. New Physics Opportunities at Neutrino Facilities: BSM Physics at Accelerator, Atmospheric, and Reactor Neutrino Experiments

    hep-ph 2025-06 unverdicted novelty 1.0 of 10

    A workshop-based review maps beyond-Standard-Model discovery opportunities at accelerator, reactor, atmospheric, and cosmic neutrino facilities, with emphasis on East Asian programs.

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