• Open Access

Heavy axion opportunities at the DUNE near detector

Kevin J. Kelly, Soubhik Kumar, and Zhen Liu
Phys. Rev. D 103, 095002 – Published 6 May 2021

Abstract

While the QCD axion is often considered to be necessarily light (eV), recent work has opened a viable and interesting parameter space for heavy axions, which solve both the strong CP and the axion quality problems. These well-motivated heavy axions, as well as the generic axionlike particles, call for explorations in the GeV mass realm at collider and beam dump environments. The primary upcoming neutrino experiment, Deep Underground Neutrino Experiment, is simultaneously also a powerful beam dump experiment, enabled by its multipurpose near detector complex. In this study, we show with detailed analyses that the Deep Underground Neutrino Experiment near detector has a unique sensitivity to heavy axions for masses between 20 MeV and 2 GeV, complementary to other future experiments.

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  • Received 21 December 2020
  • Accepted 29 March 2021

DOI:https://doi.org/10.1103/PhysRevD.103.095002

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
Particles & Fields

Authors & Affiliations

Kevin J. Kelly1,*, Soubhik Kumar2,3,4,†, and Zhen Liu4,5,‡

  • 1Theoretical Physics Department, Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
  • 2Berkeley Center for Theoretical Physics, Department of Physics, University of California, Berkeley, California 94720, USA
  • 3Theoretical Physics Group, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
  • 4Maryland Center for Fundamental Physics, Department of Physics, University of Maryland, College Park, Maryland 20742, USA
  • 5School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA

  • *kkelly12@fnal.gov
  • soubhik@berkeley.edu
  • zliuphys@umn.edu

Article Text

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Issue

Vol. 103, Iss. 9 — 1 May 2021

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