Dark Spectroscopy

Abstract

Rich and complex dark sectors are abundant in particle physics theories. Here we propose performing spectroscopy of the mass structure of dark sectors via mono-photon searches at lepton colliders. The energy of the mono-photon tracks the invariant mass of the invisible system it recoils against, which enables studying the resonance structure of the dark sector. We demonstrate this idea with several well-motivated models of dark sectors. Such spectroscopy measurements could potentially be performed at Belle II, BES-III and future low-energy lepton colliders.

6 pages, 5 figures

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Cited by in corpus (15)

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• Asymmetric Matters from a Dark First-Order Phase Transition
• Dark Mesons at the LHC
• Asymmetric Dark Matter May Not Be Light
• Maximally self-interacting dark matter: models and predictions
• Split SIMPs with Decays
• Hidden strongly interacting massive particles
• Complementarity for Dark Sector Bound States
• Effective Theories of Dark Mesons with Custodial Symmetry
• Forecasting dark showers at Belle II
• Enhanced n-body annihilation of dark matter and its indirect signatures
• Probing sub-GeV leptophilic dark matter at Belle II and NA64
• Sub-GeV dark matter and multi-decay signatures from dark showers at beam-dump experiments
• Dark Matter Energy Deposition and Production from the Table-Top to the Cosmos