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Dipole portal and neutrinophilic scalars at DUNE revisited: The importance of the high-energy neutrino tail

Ovchynnikov, Maksym 1; Schwetz, Thomas ORCID iD icon 1; Zhu, Jing-Yu 1
1 Institut für Astroteilchenphysik (IAP), Karlsruher Institut für Technologie (KIT)

Abstract:

We estimate the sensitivity of the DUNE experiment to new physics particles interacting with neutrinos, considering the dipole portal to heavy neutral leptons and a neutrinophilic scalar with lepton-number 2 as examples. We demonstrate that neutrinos from the high-energy tail of the DUNE flux, with energies $E_ν≳5−10 GeV$, may significantly improve the sensitivity to these models, allowing to search for particles as heavy as $≃10 GeV$. We also study the impact of the so-called tau-optimized neutrino beam configuration, which slightly improves sensitivity to the new physics models considered here. For both models, we consider new production channels (such as deep-inelastic scattering) and provide a detailed comparison of different signatures in the detector.


Volltext §
DOI: 10.5445/IR/1000157906
Veröffentlicht am 17.04.2023
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Zugehörige Institution(en) am KIT Institut für Astroteilchenphysik (IAP)
Publikationstyp Forschungsbericht/Preprint
Publikationsjahr 2022
Sprache Englisch
Identifikator KITopen-ID: 1000157906
HGF-Programm 51.13.05 (POF IV, LK 01) Theoretische Astroteilchenphysik
Umfang 22 S.
Vorab online veröffentlicht am 24.10.2022
Nachgewiesen in arXiv
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