Abstract
We explore the complementarity between LHC searches and neutrino experiments in probing neutrino non-standard interactions. Our study spans the theoretical frameworks of effective field theory, simplified model and an illustrative UV completion, highlighting the synergies and distinctive features in all cases. We show that besides constraining the allowed NSI parameter space, the LHC data can break important degeneracies present in oscillation experiments such as DUNE, while the latter play an important role in probing light and weakly coupled physics undetectable at the LHC.
Highlights
In spite of its vast success, the Standard Model (SM) does not shed any light on the origin of neutrino masses
New physics is necessary for generating such masses, and the study of neutrinos offers a promising window for physics beyond the Standard Model
We have explored the complementarity between neutrino experiments and LHC searches in probing neutrino non-standard interactions
Summary
In spite of its vast success, the Standard Model (SM) does not shed any light on the origin of neutrino masses. The new physics associated with neutrino masses can lie in a vast range of energy scales: from sub-GeV to the TeV region, even reaching unification scales of order 1014 GeV. This poses a phenomenological challenge that should be addressed with multiple experiments probing different energy scales, and in combination with suitable theoretical frameworks. The purpose of this paper is to highlight the complementarity of neutrino experiments such as DUNE and collider searches in probing NSIs, across this multitude of frameworks: from the EFT to simplified models, and an illustrative UV completion.
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