Heavy neutrinos in displaced vertex searches at the LHC and HL-LHC
Marco Drewes, Jan Hajer
Abstract
A bstract We study the sensitivity of displaced vertex searches for heavy neutrinos produced in W boson decays in the LHC detectors ATLAS, CMS and LHCb. We also propose a new search that uses the muon chambers to detect muons from heavy neutrino decays outside the tracker. The sensitivity estimates are based on benchmark models in which the heavy neutrinos mix exclusively with one of the three Standard Model generations. In the most sensitive mass regime the displaced vertex searches can improve existing constraints on the mixing with the first two SM generations by more than four orders of magnitude and by three orders of magnitude for the mixing with the third generation.
Topics & Concepts
PhysicsParticle physicsLarge Hadron ColliderNeutrinoVertex (graph theory)Nuclear physicsMuonSensitivity (control systems)Mixing (physics)Computer scienceGraphTheoretical computer scienceEngineeringElectronic engineeringQuantum mechanicsParticle physics theoretical and experimental studiesNeutrino Physics ResearchParticle Detector Development and Performance