27 Haziran 2024 Dergi makalesi Açık Erişim

CERN İşbirliği

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    "description": "<p>A combination of fifteen top quark mass measurements performed by the ATLAS and CMS experiments at the LHC is presented. The datasets used correspond to an integrated luminosity of up to 5 and $20\\text{}\\text{}{\\mathrm{fb}}^{-1}$ of proton-proton collisions at center-of-mass energies of 7 and 8 TeV, respectively. The combination includes measurements in top quark pair events that exploit both the semileptonic and hadronic decays of the top quark, and a measurement using events enriched in single top quark production via the electroweak $t$ channel. The combination accounts for the correlations between measurements and achieves an improvement in the total uncertainty of 31% relative to the most precise input measurement. The result is ${m}_{t}=172.52\u00b10.14\\left(\\mathrm{stat}\\right)\u00b10.30\\left(\\mathrm{syst}\\right)\\text{}\\text{}\\mathrm{GeV}$, with a total uncertainty of 0.33 GeV.</p>", 
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      "title": "Physical Review Letters", 
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    "title": "Combination of Measurements of the Top Quark Mass from Data Collected by the ATLAS and CMS Experiments at $\\sqrt{s}=7$ and 8 TeV"
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