Probing New Gauge Forces with a High-Energy Muon Beam Dump

Abstract

We propose a new beam dump experiment at a future TeV-scale muon collider. A beam dump would be an economical and effective way to increase the discovery potential of the collider complex in a complementary regime. In this work we consider vector models such as the dark photon and $L_{\mu }-L_{\tau }$ gauge boson as new physics candidates and explore which novel regions of parameter space can be probed with a muon beam dump. We find that for the dark photon model, we gain sensitivity in the moderate mass (MeV - GeV) range at both higher and lower couplings compared to existing and proposed experiments, and gain access to previously untouched areas of parameter space of the $L_{\mu }-L_{\tau }$ model.

8 pages, 5 figures

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Cited by in corpus (13)

• Linear Sigma Dark Matter
• Supernova Limits on Muonic Dark Forces
• Lepton-Flavor-Violating ALP Signals with TeV-Scale Muon Beams
• Searching for Muonphilic Dark Sectors with Proton Beams
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• Making the $\mu$OST of the Muon Collider