A model-independent search for a narrow-width resonance decaying into two Higgs bosons, each having a mass of 125 GeV and decaying into a $\mathrm{b\bar{b}}$ pair, is presented. The search is performed using proton-proton collision data corresponding to an integrated luminosity of 2.3 fb$^{\mathrm{-1}}$ at $\sqrt{s} = 13$ TeV recorded by the CMS detector at the LHC. No evidence for a signal is observed and upper limits at a 95\% confidence level on the production cross section for such a resonance, in the mass range from 260 to 1200 GeV, are set.

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