Search for Leptophilic Dark Matter at the LHeC

Abstract

The Large Hadron electron Collider (LHeC) has been designed to push the field of deep inelastic scattering to the high energy and intensity frontier using an intense electron beam with a proton beam from the High Luminosity-Large Hadron Collider. However, LHeC is also a great laboratory for new physics. In this work, we propose a search for dark matter that couples with leptons. This may yield $ej$+ missing energy and $\mu j$ + missing energy signals that can be potentially observed through simple missing-energy cuts that suppress the Standard Model background. Considering direct dark matter detection and LHC constraints, we show that LHeC can indeed discover a weak scale dark matter fermion for masses up to 350 GeV, which reproduces the correct relic density, and has interesting implications for lepton flavor violation.

5 pages and 5 figures

References in corpus (5)

• micrOMEGAs2.0: a program to calculate the relic density of dark matter in a generic model
• Cold Dark Matter, Radiative Neutrino Mass, mu to e gamma, and Neutrinoless Double Beta Decay
• Explaining Dark Matter and $B$ Decay Anomalies with an $L_{\mu }-L_{\tau }$ Model
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• Confronting Flavour Symmetries and extended Scalar Sectors with Lepton Flavour Violation Bounds

Cited by in corpus (1)

• Search for sub-GeV Scalars in $e^{+}{e}^{-}$ collisions