CMS Collaboration, Adair, A., Akgun, B., et al.. "Measurement of the top-quark mass in all-jets tt events in pp collisions at √s=7 TeV." The European Physical Journal C, 74, (2014) Springer: 2758. http://dx.doi.org/10.1140/epjc/s10052-014-2758-x.
The mass of the top quark is measured using a sample of tt candidate events with at least six jets in the final state. The sample is selected from data collected with the CMS detector in pp collisions at √s=7 TeV in 2011 and corresponds to an integrated luminosity of 3.54 fb−1 . The mass is reconstructed for each event employing a kinematic fit of the jets to a tt hypothesis. The top-quark mass is measured to be 173.49±0.69(stat.)±1.21(syst.) GeV. A combination with previously published measurements in other decay modes by CMS yields a mass of 173.54±0.33(stat.)±0.96(syst.) GeV.
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