Proposal to use muon trident process with HEMERA detector on 10^18 TeV muons to extend B-factory and (g-2)μ bounds on leptophilic scalar couplings by over an order of magnitude.
Exploring Leptophilic Dark Matter with NA64-$\mu$
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abstract
We investigate the prospects for detecting light leptophilic dark sectors with a missing-momentum experiment at NA64 running in muon mode. In particular, we consider models in which dark matter connects to the visible sector through a lepton- or muon-specific scalar mediator. These scalars can also account for the $\sim 3.5\sigma$ discrepancy between the measured and predicted values of $(g-2)_{\mu}$ . We emphasize the complementarity between NA64-$\mu$ and other terrestrial and astrophysical probes.
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Muon beam dump experiments can probe five-dimensional U(1)_{Lμ-Lτ} models via enhanced Kaluza-Klein signals, with decay channels enabling mass reconstruction to indicate extra dimensions.
Xenon data constrain inelastic fermion DM with scalar mediator for sub-MeV mass splittings through endothermic and exothermic DM-electron scattering.
A parameter space analysis of a leptophilic scalar mediator model for Majorana dark matter yields a viable sub-GeV region after applying relic density, cosmological, astrophysical, and laboratory constraints.
citing papers explorer
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Muon-induced di-tau production as a probe of new physics
Proposal to use muon trident process with HEMERA detector on 10^18 TeV muons to extend B-factory and (g-2)μ bounds on leptophilic scalar couplings by over an order of magnitude.
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Muon Beam Dump Experiments explicate five-dimensional nature of $U(1)_{L_{\mu}-L_{\tau}}$
Muon beam dump experiments can probe five-dimensional U(1)_{Lμ-Lτ} models via enhanced Kaluza-Klein signals, with decay channels enabling mass reconstruction to indicate extra dimensions.
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Direct-detection constraints on inelastic dark matter with a scalar mediator
Xenon data constrain inelastic fermion DM with scalar mediator for sub-MeV mass splittings through endothermic and exothermic DM-electron scattering.
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Constraints on a Light Leptophilic Scalar from Dark-Sector Couplings
A parameter space analysis of a leptophilic scalar mediator model for Majorana dark matter yields a viable sub-GeV region after applying relic density, cosmological, astrophysical, and laboratory constraints.