2013/12/31 by Linda M. Carpenter, Anthony DiFranzo, Michael Mulhearn +5 · 2 citations
Physics and Astronomy · #Boson #Dark Matter and Cosmic Phenomena #Dark matter #Higgs boson #Large Hadron Collider #Nuclear physics #Particle Detector Development and Performance #Particle physics #Particle physics theoretical and experimental studies #Phenomenology (philosophy) #Physics #Physics beyond the Standard Model #hep-ex #hep-ph
paper · pdf · doi:10.1103/physrevd.89.075017
published as Phys. Rev. D 89, 075017 (2014)
openalex publication_date 2014/04/29 · arxiv created 2014/06/09 · arxiv updated 2014/06/11 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
We explore the Large Hadron Collider (LHC) phenomenology of dark matter (DM) pair production in association with a 125-GeV Higgs boson. This signature, dubbed ``mono-Higgs,'' appears as a single Higgs boson plus missing energy from DM particles escaping the detector. We perform an LHC background study for mono-Higgs signals at √(s)=8 and 14 TeV for four Higgs boson decay channels: \ensuremathγ\ensuremathγ, bb, ZZ*\ensuremath→4\ensuremathℓ, and \ensuremathℓ\ensuremathℓjj. We estimate the LHC sensitivities to a variety of new physics scenarios within the frameworks of both effective operators and simplified models. For all of these scenarios, the \ensuremathγ\ensuremathγ channel provides the best sensitivity, whereas the bb channel suffers from a large tt background. Mono-Higgs is unlike other mono-X searches (X=jet, photon, etc.) since the Higgs boson is unlikely to be radiated as initial state radiation and therefore probes the underlying DM vertex directly.