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We first build a minimal model of vector-like quarks where the dominant Higgsboson production process at LHC -- the gluon fusion -- can be significantlysuppressed, being motivated by the recent stringent constraints from the searchfor direct Higgs production over a wide Higgs mass range. Within this model,compatible with the present experimental constraints on direct Higgs searches,we demonstrate that the Higgs ($h$) production via a heavy vector-liketop-partner ($t_2$) decay, $pp \to t_2 \bar t_2$, $t_2\to t h$, allows todiscover a Higgs boson at the LHC and measure its mass, through the decaychannels $h\to \gamma\gamma$ or $h\to ZZ$. We also comment on the recent hintin LHC data from a possible $\sim 125$ GeV Higgs scalar, in the presence ofheavy vector-like top quarks.

Higgs boson production via vector-like top-partner decays: diphoton or multilepton plus multijets channels at the LHC