Search for a heavy pseudoscalar Higgs boson in final states with two light and two tau leptons at the CMS experiment

A search for a pseudoscalar Higgs boson, A, decaying into a standard model-like Higgs boson h and a Z boson is presented. The standard model-like Higgs boson is specifically targeted in its decay into a pair of tau leptons, while the Z boson decays leptonically. A data sample of proton-proton collisions collected at $\sqrt{s}$ = 13 TeV by the CMS experiment at the LHC is used, and corresponds to an integrated luminosity of 35.9 fb$^{−1}$. No excesses above the standard model background expectations are observed in data. Model-independent and model-dependent limits in two minimal supersymmetric standard model benchmark scenarios in the m$_{A}$–tan $\beta$ plane are set.