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Solar Neutrinos and the Strongest Oscillation Constraints on Scalar NSI

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arxiv 2409.15411 v2 pith:2Q73TTTT submitted 2024-09-23 hep-ph hep-ex

classification hep-phhep-ex
keywords neutrinoneutrinososcillationsolardensityscalarsnsiconstraints
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

Scalar non-standard neutrino interactions (sNSI) is a scenario where neutrinos can develop a medium dependent contribution to their mass due to a new scalar mediator. This scenario differs from the commonly discussed vector mediator case in that the oscillation effect scales with density rather than density and neutrino energy. Thus the strongest oscillation constraint comes from solar neutrinos which experience the largest density in a neutrino oscillation experiment. We derive constraints on all the sNSI parameters as well as the absolute neutrino mass scale by combining solar and reactor data and find solar neutrinos to be $>1$ order of magnitude more sensitive to sNSI than terrestrial probes such as long-baseline experiments.

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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. Searching for generalized neutrino interactions in direct detection experiments with E{\nu}ES

    hep-ph 2025-10 conditional novelty 4.0 of 10

    Direct-detection xenon experiments yield new 90% C.L. constraints on vector, axial, scalar, and tensor generalized neutrino interactions, generally weaker than existing global bounds.

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