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Constraining neutrino transition magnetic moments at DUNE

Zhou, Albert ORCID iD icon 1,2; Schwetz-Mangold, Thomas ORCID iD icon 2; Zhu, Jing-Yu 2
1 KIT-Zentrum Elementarteilchen- und Astroteilchenphysik (KCETA), Karlsruher Institut für Technologie (KIT)
2 Institut für Astroteilchenphysik (IAP), Karlsruher Institut für Technologie (KIT)


Here I present work done in collaboration with Thomas Schwetz and Jing-Yu Zhu [arXiv:2105.09699]. We consider the sensitivity of the DUNE experiment to a heavy neutral lepton, HNL (also known as sterile neutrino) in the mass range from a few MeV to a few GeV, interacting with the Standard Model via a transition magnetic moment to the active neutrinos, the so-called dipole portal. The HNL is produced via the up-scattering of active neutrinos, and the subsequent decay inside the detector provides a single-photon signal. We show that the tau-neutrino dipole portal can be efficiently probed at the DUNE far detector, using the tau-neutrino flux generated by neutrino oscillations, while the near detector provides better sensitivity to the electron- and muon-neutrino dipole portal. DUNE will be able to explore large regions of currently unconstrained parameter space and has comparable sensitivity to other planned dedicated experiments, such as SHiP

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DOI: 10.5445/IR/1000136013
Veröffentlicht am 19.07.2022
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Astroteilchenphysik (IAP)
Institut für Theoretische Teilchenphysik (TTP)
Universität Karlsruhe (TH) – Interfakultative Einrichtungen (Interfakultative Einrichtungen)
KIT-Zentrum Elementarteilchen- und Astroteilchenphysik (KCETA)
Publikationstyp Poster
Publikationsmonat/-jahr 07.2021
Sprache Englisch
Identifikator KITopen-ID: 1000136013
HGF-Programm 51.13.05 (POF IV, LK 01) Theoretische Astroteilchenphysik
Veranstaltung European Physical Society Conference on High Energy Physics (EPS-HEP 2021), Online, 26.07.2021 – 30.07.2021
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