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The top quark mass is measured using $35.9~\mathrm{fb}^{-1}$ of LHCproton-proton collision data collected with the CMS detector at$\sqrt{s}=13~\mathrm{TeV}$ in 2016. The measurement uses the$\mathrm{t}\overline{\mathrm{t}}$ all-jets final state, which comprises a totalof six jets. A kinematic fit is performed to reconstruct the decay of the$\mathrm{t}\overline{\mathrm{t}}$ system and suppress QCD multijet background.By means of the ideogram method, the top quark mass is determined,simultaneously constraining an additional jet energy scale factor($\text{JSF}$). The result of$172.34\pm0.20\,\text{(stat+JSF)}\pm0.76\,\text{(syst)}~\mathrm{GeV}$ for thetop quark mass is in good agreement with previous measurements in the same anddifferent final states.

Top quark mass measurement in the $\mathrm{t}\overline{\mathrm{t}}$ all-jets final state with the CMS experiment at $\sqrt{s}=13\,\mathrm{TeV}$