Searches for exclusive Higgs and Z boson decays into a vector quarkonium state and a photon using 139 fb$$^{-1}$$
-1
of ATLAS $$\sqrt{s}=13$$
s=13
TeV proton-proton collision data.
G. Aad, et. al. "Searches for exclusive Higgs and Z boson decays into a vector quarkonium state and a photon using 139 fb$$^{-1}$$ -1 of ATLAS $$\sqrt{s}=13$$ s=13 TeV proton-proton collision data." The European Physical Journal C, Springer Berlin Heidelberg, Berlin/Heidelberg, v.83, no.9, 2023