Precision measurement of the top-quark mass in lepton+jets final states

Abstract

We measure the mass of the top quark in lepton$+$jets final states using the full sample of $p\bar{p}$ collision data collected by the D0 experiment in Run II of the Fermilab Tevatron Collider at $\sqrt{s}=1.96$TeV, corresponding to $9.7{\mathrm{fb}}^{-1}$ of integrated luminosity. We use a matrix element technique that calculates the probabilities for each event to result from $t\bar{t}$ production or background. The overall jet energy scale is constrained in situ by the mass of the $W$ boson. We measure $m_t=174.98\pm 0.76$ GeV. This constitutes the most precise single measurement of the top-quark mass.

arXiv commentsubmitted to Phys. Rev. D, 40 pages, detailed documentation of Phys. Rev. Lett. 113, 032002 (2014) [arXiv:1405.1756]

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• Measurement of lepton differential distributions and the top quark mass in $t\bar{t}$ production in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
• Top-Quark Physics: Status and Prospects
• Simultaneous measurement of forward-backward asymmetry and top polarization in dilepton final states from $t\bar{t}$ production at the Tevatron
• Precise measurement of the top quark mass in dilepton decays using optimized neutrino weighting
• Top-quark physics at the Large Hadron Collider
• The Top Quark
• Measurement of the inclusive $t\bar{t}$ production cross section in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV and determination of the top quark pole mass
• Matrix Element Regression with Deep Neural Networks -- breaking the CPU barrier
• Measurement of spin correlation between top and antitop quarks produced in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV
• Measurement of the Top Quark Mass Using the Matrix Element Technique in Dilepton Final States
• MoMEMta, a modular toolkit for the Matrix Element Method at the LHC
• Combination of D0 measurements of the top quark mass