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A search for decays to invisible particles of Higgs bosons produced inassociation with a top-antitop quark pair or a vector boson, which both decayto a fully hadronic final state, has been performed using proton-protoncollision data collected at $\sqrt{s}$ = 13 TeV by the CMS experiment at theLHC, corresponding to an integrated luminosity of 138 fb$^{-1}$. The 95%confidence level upper limit set on the branching fraction of the 125 GeV Higgsboson to invisible particles, $\mathcal{B}$(H $\to$ inv), is 0.54 (0.39expected), assuming standard model production cross sections. The results ofthis analysis are combined with previous $\mathcal{B}$(H $\to$ inv) searchescarried out at $\sqrt{s}$ = 7, 8, and 13 TeV in complementary production modes.The combined upper limit at 95% confidence level on $\mathcal{B}$(H $\to$ inv)is 0.15 (0.08 expected).

european physical journal. c, particles and fields

A search for decays of the Higgs boson to invisible particles in events  with a top-antitop quark pair or a vector boson in proton-proton collisions  at $\sqrt{s}$ = 13 TeV