Status of the inert doublet model and the role of multileptons at the LHC

By M. Gustafsson, S. Rydbeck, L. Lopez-Honorez, E. Lundstrom. 2012

149 citations recorded by the source corpus.

A feature of the inert doublet model (IDM) is to provide a dark matter candidate together with an alteration of both direct and indirect collider constraints that allow for a heavy Higgs boson. We study the IDM in light of recent results from Higgs searches at the Large Hadron Collider (LHC) in combination with dark matter direct detection limits from the XENON experiment. We ask under what conditions the IDM can still accommodate a heavy Higgs boson. We find that IDM scenarios with a Higgs boson in the mass range 160-600 GeV are ruled out only when all experimental constraints are combined. For models explaining only a fraction of the dark matter the limits are weakened, and IDMs with a heavy Higgs are allowed. We discuss the prospects for future detection of such IDM scenarios in the four-lepton plus missing energy channel at the LHC. This signal can show up in the first year of running at root s = 14 TeV, and we present detector-level studies for a few benchmark models.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/e8852d87bf0ed9d6ad226c99333741daac8d5d48

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Citations in the corpus

ILC Higgs White Paper (2013, background): “At the LHC, even though the parameter regions where the inert scalars could be discovered have been suggested [110, 121, 122], a detailed search for the inert scalars and a determination of their masses and quantum numbers would be difficult.”
Anatomy of the inert two-Higgs-doublet model in the light of the LHC and non-LHC dark matter searches (2016, background): “They focus either on specific processes such as SM-like Higgs decays to γγ and γZ [51, 52, 28, 53], multi-lepton plus missing ET [54, 55, 56] with as many as five leptons [57], dijet plus missing ET [58] and dileptons accompanied with dijets [56].”
Building and testing models with extended Higgs sectors (2017, background): “Collider signatures of IDM include mono-Z or mono-jet + missing ET signatures [438, 439, 441], dijets or dijets plus dileptons with missing ET [455, 456], multilepton signals [457, 458, 456, 440], modified rates of the SM-like Higgs decays to γγ and γZ [459, 460, 444, 461], long-lived charged scalar”
Dark Matter through the Higgs portal (2019, unknown): “[427–431], where mass values MH .”
Lepton flavor violation in the scotogenic model (2013, background): “In this case one expects multilepton final states with a significant amount of missing energy [58].”
Dark matter in the inert doublet model after the discovery of a Higgs-like boson at the LHC (2013, background): “[12]).”