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Neutrinophilic Non-Standard Interactions
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We construct UV-complete models for non-standard neutrino interactions mediated by a sub-GeV gauge boson Z' coupled to baryon number $B$ or $B-L$. A flavor-dependent Z' coupling to neutrinos is induced by mixing a U(1)'-charged Dirac fermion with the active neutrinos, naturally suppressing flavor violation or non-universality of the charged leptons to the loop level. We show that these models can give rise to large flavor-conserving as well as flavor-violating non-standard neutral-current neutrino interactions potentially observable in current or future oscillation experiments such as DUNE without being in conflict with other constraints such as neutrino scattering or lepton-flavor-violating decays. In particular, the LMA-Dark solution to the solar-neutrino anomaly can be obtained for $U(1)_B$, but not for $U(1)_{B-L}$.
Forward citations
Cited by 3 Pith papers
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Constraining axial non-standard neutrino interactions with MINOS and MINOS+
MINOS and MINOS+ neutral-current data yield world-leading bounds on axial NSI couplings ε^{Aq}_{eτ} and ε^{Aq}_{ττ} (including the isospin-singlet combination) for neutrinos interacting with u and d quarks.
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RG Running of Multiple Neutrino Mixing Parameters at Oscillation Experiments
Combining DUNE-ND, JUNO-TAO, and FASERν2 data can disentangle multiple model-independent RG running parameters of neutrino mixing and resolve degeneracies.
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Non-Standard Neutrino Interactions at Neutrino Experiments and Colliders
Collider searches are generally more constraining than neutrino measurements on simplified models of non-standard neutrino interactions, except possibly for muon-philic leptoquarks and certain heavy neutral leptons.
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