High-energy constraints from low-energy neutrino non-standard interactions

Abstract

Many scenarios of new physics predict the existence of neutrino Non-Standard Interactions, new vector contact interactions between neutrinos and first generation fermions beyond the Standard Model. We obtain model-independent constraints on the Standard Model Effective Field Theory at high energies from bounds on neutrino non-standard interactions derived at low energies. Our analysis explores a large set of new physics scenarios and includes full one-loop running effects below and above the electroweak scale. Our results show that neutrino non-standard interactions already push the scale of new physics beyond the TeV. We also conclude that bounds derived by other experimental probes, in particular by low-energy precision measurements and by charged lepton flavor violation searches, are generally more stringent. Our study constitutes a first step towards the systematization of phenomenological analyses to evaluate the impact of neutrino Non-Standard Interactions for new physics scenarios at high energies.

25 pages, 7 figures, 2 tables. Merry Christmas and happy new year!

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Cited by in corpus (14)

• Running in the ALPs
• Towards the renormalisation of the Standard Model effective field theory to dimension eight: Bosonic interactions I
• Scalar and tensor neutrino interactions
• Neutrino non-standard interactions meet precision measurements of $N_{\mathrm{eff}}$
• EFT analysis of New Physics at COHERENT
• A Direct Detection View of the Neutrino NSI Landscape
• Assessment of the Dimension-5 Seesaw Portal and Impact of Exotic Higgs Decays on Non-Pointing Photon Searches
• Exploring SMEFT Induced Non-Standard Interactions from COHERENT to Neutrino Oscillations
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• Non-standard interactions in SMEFT confronted with terrestrial neutrino experiments
• DUNE potential as a New Physics probe
• Lepton collider probes for Majorana neutrino effective interactions
• Searching for Axial Neutral Current Non-Standard Interactions of neutrinos by DUNE-like experiments
• Charged-current non-standard neutrino interactions at the LHC and HL-LHC