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March 13, 2017 | 3:30 p.m. - 4:30 p.m.
Category: Seminar
Location: Physics & Astronomy Department - Liberal Arts and Sciences #312 | Map
666 W. Hancock
Detroit, MI 48201
Cost: Free!
Audience: Academic Staff, Current Graduate Students, Current Undergraduate Students, Faculty

Title: LHC probes of axion-like particles

Speaker: Matthias Neubert (Univeristy of Mainz)

Abstract: We argue that the study of rare Higgs decays in the high-luminosity run at the LHC can probe axions and axion-like particles (ALPs) in a wide range of parameter space, which is otherwise inaccessible to experimental searches. If the ALP decays predominantly into photons, our strategy covers the current “gap” in the mass range between 1 MeV and 60 GeV down to photon-axion coupling as small as 10^(-6)/TeV. An ALP is this parameter range can explain the anomalous magnetic moment of the muon and is consistent with electroweak precision tests and flavour constraints. In our analysis we consider the most general effective Lagrangian for a spin-0 particle protected by a shift symmetry, motivated by many extensions of the Standard Model with a spontaneously broken global symmetry.

For more information about this event, please contact Matt Barrett at +1 313 5770750 or gd0247@wayne.edu.