Light lepton portal dark matter meets the LHC

Abstract

We examine the sensitivity of the Large Hadron Collider (LHC) to light lepton portal dark matter with its mass below 10GeV. The model features an extra doublet scalar field and singlet Dirac dark matter, which have Yukawa interactions with left-handed leptons. To correctly produce the dark matter abundance via the thermal freeze-out, a large mass splitting among the extra scalars is required, thus providing a light neutral scalar below $\mathcal{O}(10)$GeV and heavy neutral and charged scalars at the electroweak scale. In this paper, we focus on the electroweak pair-production of the extra scalars with subsequent model-specific scalar decays and evaluate the current constraints with the LHC Run2 data and the discovery potential at the High Luminosity LHC (HL-LHC). It turns out that a large part of the theoretically allowed parameter space can be tested at the HL-LHC by taking into account complementarity between slepton searches and mono-$Z$ plus missing transverse energy search. We also discuss same-sign charged scalar production as a unique prediction of the model, and the implication of the collider searches in the thermal dark matter scenario.

arXiv comment31 pages, 7 figures

References in corpus (47)

• The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
• Verifiable Radiative Seesaw Mechanism of Neutrino Mass and Dark Matter
• Secluded WIMP Dark Matter
• SARAH 4: A tool for (not only SUSY) model builders
• Improved Naturalness with a Heavy Higgs: An Alternative Road to LHC Physics
• Scalar Dark Matter candidates
• The Inert Doublet Model: an Archetype for Dark Matter
• First Direct Detection Limits on sub-GeV Dark Matter from XENON10
• Automatic Calculation of supersymmetric Renormalization Group Equations and Self Energies
• SENSEI: Direct-Detection Results on sub-GeV Dark Matter from a New Skipper-CCD
• Note on tree-level unitarity in the General Two Higgs Doublet Model
• Lee-Quigg-Thacker Bounds for Higgs Boson Masses in a Two-Doublet Model
• LEP Shines Light on Dark Matter
• Tree-level unitarity constraints in the most general 2HDM
• A Lower Bound on the Mass of Cold Thermal Dark Matter from Planck
• Dark matter in the Inert Doublet Model after the discovery of a Higgs-like boson at the LHC
• Inert Doublet Model and LEP II Limits
• Indirect Dark Matter Signatures in the Cosmic Dark Ages II. Ionization, Heating and Photon Production from Arbitrary Energy Injections
• Anatomy of the Inert Two Higgs Doublet Model in the light of the LHC and non-LHC Dark Matter Searches
• Accelerating the Discovery of Light Dark Matter
• GeV-Scale Thermal WIMPs: Not Even Slightly Dead
• Natural Dark Matter from an Unnatural Higgs Boson and New Colored Particles at the TeV Scale
• Refined Bounds on MeV-scale Thermal Dark Sectors from BBN and the CMB
• BBN And The CMB Constrain Neutrino Coupled Light WIMPs
• Light spin-1/2 or spin-0 Dark Matter particles
• Evolution of Universe to the present inert phase
• Neutrino Portals to Dark Matter
• Tree-unitarity bounds for THDM Higgs masses revisited
• Lepton Portal Dark Matter
• Dilepton constraints in the Inert Doublet Model from Run 1 of the LHC
• Novel cosmic-ray electron and positron constraints on MeV dark matter particles
• Loopy Constraints on Leptophilic Dark Matter and Internal Bremsstrahlung
• A Global Analysis of Dark Matter Signals from 27 Dwarf Spheroidal Galaxies using 11 Years of Fermi-LAT Observations
• Thermal Dark Matter Through the Dirac Neutrino Portal
• Leptophilic Effective WIMPs
• Impact of Resonance on Thermal Targets for Invisible Dark Photon Searches
• Light dark states with electromagnetic form factors
• Dirac dark matter with a charged mediator: a comprehensive one-loop analysis of the direct detection phenomenology
• Monochromatic dark neutrinos and boosted dark matter in noble liquid direct detection
• Current status and muon $g-2$ explanation of lepton portal dark matter
• Stellar probes of dark sector-photon interactions
• Model-independent Astrophysical Constraints on Leptophilic Dark Matter in the Framework of Tsallis Statistics
• Effective Leptophilic WIMPs at the $e^{+}{e}^{-}$ collider
• Light mass window of lepton portal dark matter
• Exploring the global symmetry structure of the Higgs potential via same-sign pair production of charged Higgs bosons
• Minimal realization of light thermal Dark Matter
• Light Dark Matter and Dark Radiation

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