Millicharged Particles in Neutrino Experiments

Gabriel Magill, Ryan Plestid, Maxim Pospelov, Yu Dai Tsai

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


We set constraints and future sensitivity projections on millicharged particles (MCPs) based on electron scattering data in numerous neutrino experiments, starting with MiniBooNE and the Liquid Scintillator Neutrino Detector (LSND). Both experiments are found to provide new (and leading) constraints in certain MCP mass windows: 5-35 MeV for LSND and 100-180 MeV for MiniBooNE. Furthermore, we provide projections for the ongoing Fermilab SBN program, the Deep Underground Neutrino Experiment (DUNE), and the proposed Search for Hidden Particles (SHIP) experiment. In the SBN program, SBND and MicroBooNE have the capacity to provide the leading bounds in the 100-300 MeV mass regime. DUNE and SHIP are capable of probing parameter space for MCP masses in the range of 5 MeV-5 GeV that is significantly beyond the reach of existing bounds, including those from collider searches and, in the case of DUNE, the SLAC mQ experiment.

Original languageEnglish (US)
Article number071801
JournalPhysical review letters
Issue number7
StatePublished - Feb 19 2019
Externally publishedYes

Bibliographical note

Funding Information:
R.P. and G.M. are supported by the National Science and Engineering Research Council of Canada (NSERC). Y.T. is supported in part by the U.S. National Science Foundation through Grant No. PHY-1316222. This research was supported in part by Perimeter Institute for Theoretical Physics. Research at Perimeter Institute is supported by the Government of Canada through the Department of Innovation, Science, and Economic Development and by the Province of Ontario through the Ministry of Research and Innovation. This document was prepared in part by Y.T. using the resources of the Fermi National Accelerator Laboratory (Fermilab), a U.S. Department of Energy, Office of Science, HEP User Facility. Fermilab is managed by Fermi Research Alliance (FRA), Limited Liability Companies (LLC), acting under Contract No. DE-AC02-07CH11359.

Publisher Copyright:
© 2019 authors. Published by the American Physical Society.

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