Search for Higgs and Z Boson Decays to ϕγ with the ATLAS Detector

Phys Rev Lett. 2016 Sep 9;117(11):111802. doi: 10.1103/PhysRevLett.117.111802. Epub 2016 Sep 9.

Abstract

A search for the decays of the Higgs and Z bosons to a ϕ meson and a photon is performed with a pp collision data sample corresponding to an integrated luminosity of 2.7 fb^{-1} collected at sqrt[s]=13 TeV with the ATLAS detector at the LHC. No significant excess of events is observed above the background, and 95% confidence level upper limits on the branching fractions of the Higgs and Z boson decays to ϕγ of 1.4×10^{-3} and 8.3×10^{-6}, respectively, are obtained.