Searches for decays of new particles in the DUNE Multi-Purpose near Detector

Jeffrey M. Berryman, André de Gouvêa, Patrick J. Fox, Boris J. Kayser, Kevin J. Kelly*, Jennifer L. Raaf

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

One proposed component of the upcoming Deep Underground Neutrino Experiment (DUNE) near detector complex is a multi-purpose, magnetized, gaseous argon time projection chamber: the Multi-Purpose Detector (MPD). We explore the new-physics potential of the MPD, focusing on scenarios in which the MPD is significantly more sensitive to new physics than a liquid argon detector, specifically searches for semi-long-lived particles that are produced in/near the beam target and decay in the MPD. The specific physics possibilities studied are searches for dark vector bosons mixing kinetically with the Standard Model hypercharge group, leptophilic vector bosons, dark scalars mixing with the Standard Model Higgs boson, and heavy neutral leptons that mix with the Standard Model neutrinos. We demonstrate that the MPD can extend existing bounds in most of these scenarios. We illustrate how the ability of the MPD to measure the momentum and charge of the final state particles leads to these bounds.

Original languageEnglish (US)
Article number174
JournalJournal of High Energy Physics
Volume2020
Issue number2
DOIs
StatePublished - Feb 1 2020

Keywords

  • Beyond Standard Model
  • Neutrino Physics

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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