the results of the two analyses and of their combination. Section \[sec:results\] presents also the strategy that is used to make the two analyses mutually exclusive in order to facilitate their combination for the final results.

Resolved-jet topology analysis \[sec:resolvedanalysis\] {#sec:resolved_an}
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Approximately 95% of the $\PV\PH$ events produced at $\sqrt{s}=13\TeV$ have a vector boson with lower than 200, corresponding to the phase space region where the boson decay products generally give rise to two distinctly reconstructed [small-$R$]{} jets in the CMS detector. The resolved-jet analysis aims to exploit a large fraction of this phase space which, however, contains a sizeable background contamination. The requirement of a moderate boost of the vector boson is then found to be crucial to the reduction of +jets and backgrounds. Dedicated charm taggers based on ML are used to order the jets in the event by their likelihood to be jets that are considered for use in reconstructing the boson candidate.

Backgrounds arise from the production of and bosons in association with one or more jets, single and pair-produced top quarks, and diboson events. A small residual QCD background is present in the 0L and 1L channels. High-purity control regions for the [+]{}and backgrounds 