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Constraining Non-Standard Interactions with Coherent Elastic Neutrino-Nucleus Scattering at the European Spallation Source

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arxiv 2208.11771 v2 pith:TGYUBQXO submitted 2022-08-24 hep-ph

Sabya Sachi Chatterjee , Stéphane Lavignac , O. G. Miranda , G. Sanchez Garcia This is my paper · ORCID
classification hep-ph
keywords parametersdetectorscoherentconstrainingdetectorelasticeuropeaninteractions
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The European Spallation Source (ESS), currently under construction in Sweden, will provide an intense pulsed neutrino flux allowing for high-statistics measurements of coherent elastic neutrino-nucleus scattering (CE{\nu}NS) with advanced nuclear recoil detectors. In this paper, we investigate in detail the possibility of constraining non-standard neutrino interactions (NSIs) through such precision CE{\nu}NS measurements at the ESS, considering the different proposed detection technologies, either alone or in combination. We first study the sensitivity to neutral-current NSI parameters that each detector can reach in 3 years of data taking. We then show that operating two detectors simultaneously can significantly improve the expected sensitivity on flavor-diagonal NSI parameters. Combining the results of two detectors turns out to be even more useful when two NSI parameters are assumed to be nonvanishing at a time. In this case, suitably chosen detector combinations can reduce the degeneracies between some pairs of NSI parameters to a small region of the parameter space.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Searches for heavy neutral lepton decays at spallation neutron sources

    hep-ph 2026-07 conditional novelty 5.0 of 10

    Current and future COHERENT detectors at the SNS can set competitive limits on HNL–neutrino mixings through pion/muon DAR production and in-detector e+e− decays, with muon mixing offering the strongest near-term reach.

  2. Probing conventional and new physics at the ESS with coherent elastic neutrino-nucleus scattering

    hep-ph 2025-01 conditional novelty 5.0 of 10

    Projected ESS CEνNS measurements would improve current constraints on the weak mixing angle, nuclear neutron radii, and several new physics scenarios by large factors, and would lead in some unexplored mass ranges.

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