Search for additional high mass Higgs bosons decaying to muon-tau pairs

Lepton Flavour Violation (LFV) is not allowed in the Standard Model (SM), but can happen in some BSM theories like 2HDMs, like theories with additional Higgs particles. Therefore, these additional Higgs particles might be found through their LFV decay modes. This project presents the 95\% CL upper limit on the production cross section times branching ratio for high mass Higgs bosons decaying to $\mu$-$\tau$ pairs.. The branching ratio is computed as a function of the Higgs mass, from 120 GeV up to 1 TeV. For the SM Higgs and 0 jets, a 95\% CL upper limit of BR($H\rightarrow\mu\tau$) $<$ 1.73$\%$ is found (assuming a SM cross section), or $\sigma$ $\times$ BR $<$ 0.78 pb.