Probing new charged scalars with neutrino trident production

Abstract

We investigate the possibility of using neutrino trident production to probe leptophilic charged scalars at future high intensity neutrino experiments. We show that under specific assumptions, this production process can provide competitive sensitivity for generic charged scalars as compared to common existing bounds. We also investigate how the recently proposed mixed-flavour production - where the two oppositely charged leptons in the final state need not be muon flavoured - can give a 20-50% increase in sensitivity for certain configurations of new physics couplings as compared to traditional trident modes. We then categorize all renormalizable leptophilic scalar extensions based on their representation under $SU(2)\times U(1)$, and discuss the Higgs triplet and Zee-Babu models as explicit UV realizations. We find that the inclusion of additional doubly charged scalars and the need to reproduce neutrino masses make trident production uncompetitive with current bounds for these specific UV completions. Our work represents the first application of neutrino trident production to study charged scalars, and of mixed-flavour final states to study physics beyond the Standard Model.

6 pages body, 4 pages appendix, 2 pages references

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Cited by in corpus (14)

• Detecting and Studying High-Energy Collider Neutrinos with FASER at the LHC
• Dipole portal to heavy neutral leptons
• The Short-Baseline Neutrino Program at Fermilab
• Neutrino Trident Scattering at Near Detectors
• $Z^{\prime }$s in neutrino scattering at DUNE
• Searching for BSM neutrino interactions in dark matter detectors
• Tensor and scalar interactions of neutrinos may lead to observable neutrino magnetic moments
• Theoretical tools for neutrino scattering: interplay between lattice QCD, EFTs, nuclear physics, phenomenology, and neutrino event generators
• Probing Light Mediators in the Radiative Emission of Neutrino Pair
• Lepton flavor violation by two units
• Kinematical distributions of coherent neutrino trident production in gauged $L_{\mu }-L_{\tau }$ model
• Tau Tridents at Accelerator Neutrino Facilities
• Probing a $Z^{\prime }$ gauge boson via neutrino trident scattering in the Forward Physics Facility at the LHC and FCC
• The $U(1{)}_{L_{\mu }-L_{\tau }}$ model meets the new $(g-2{)}_{\mu }$ data and muon neutrino trident scattering