The new physics case for beam-dump experiments with accelerated muon beams
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13130_2024_Article_23558.pdf
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Author(s)
Cesarotti, Cari
Gambhir, Rikab
Date Issued
May 24, 2024
Journal
Journal of High Energy Physics
Publisher
Springer Berlin Heidelberg
Citation
Cesarotti, C., Gambhir, R. The new physics case for beam-dump experiments with accelerated muon beams. J. High Energ. Phys. 2024, 283 (2024).
Version
Final published version
Abstract
As the field examines a future muon collider as a possible successor to the LHC, we must consider how to fully utilize not only the high-energy particle collisions, but also any lower-energy staging facilities necessary in the R&D process. An economical and efficient possibility is to use the accelerated muon beam from either the full experiment or from cooling and acceleration tests in beam-dump experiments. Beam-dump experiments are complementary to the main collider as they achieve sensitivity to very small couplings with minimal instrumentation. We demonstrate the utility of muon beam-dump experiments for new physics searches at energies from 10 GeV to 5 TeV. We find that, even at low energies like those accessible at staging or demonstrator facilities, it is possible to probe new regions of parameter space for a variety of generic BSM models, including muonphilic, leptophilic, Lμ − Lτ, and dark photon scenarios. Such experiments could therefore provide opportunities for discovery of new physics well before the completion of the full multi-TeV collider.
MIT Department
Massachusetts Institute of Technology. Center for Theoretical Physics
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DOI of Published Version
https://doi.org/10.1007/JHEP05(2024)283
