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- W4308242405 abstract "A measurement of the jet mass distribution in hadronic decays of Lorentz-boosted top quarks is presented. The measurement is performed in the lepton+jets channel of top quark pair production ($mathrm{tbar{t}}$) events, where the lepton is an electron or muon. The products of the hadronic top quark decay are reconstructed using a single large-radius jet with transverse momentum greater than 400 GeV. The data were collected with the CMS detector at the LHC in proton-proton collisions and correspond to an integrated luminosity of 138 fb$^{-1}$. The differential $mathrm{tbar{t}}$ production cross section as a function of the jet mass is unfolded to the particle level and is used to extract the top quark mass. The jet mass scale is calibrated using the hadronic W boson decay within the large-radius jet. The uncertainties in the modelling of the final state radiation are reduced by studying angular correlations in the jet substructure. These developments lead to a significant increase in precision, and a top quark mass of 172.76 $pm$ 0.81 GeV." @default.
- W4308242405 created "2022-11-09" @default.
- W4308242405 creator A5041811596 @default.
- W4308242405 date "2022-11-02" @default.
- W4308242405 modified "2023-09-24" @default.
- W4308242405 title "Measurement of the jet mass distribution and top quark mass in hadronic decays of boosted top quarks in proton-proton collisions at $sqrt{s}$ = 13 TeV" @default.
- W4308242405 doi "https://doi.org/10.48550/arxiv.2211.01456" @default.
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