4.7 Article

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

Journal

PHYSICAL REVIEW D
Volume 91, Issue 11, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.91.112003

Keywords

-

Funding

  1. Department of Energy (United States of America)
  2. National Science Foundation (United States of America)
  3. Alternative Energies and Atomic Energy Commission (France)
  4. National Center for Scientific Research/National Institute of Nuclear and Particle Physics (France)
  5. Ministry of Education and Science of the Russian Federation (Russia)
  6. National Research Center Kurchatov Institute of the Russian Federation (Russia)
  7. Russian Foundation for Basic Research (Russia)
  8. National Council for the Development of Science and Technology (Brazil)
  9. Carlos Chagas Filho Foundation for the Support of Research in the State of Rio de Janeiro (Brazil)
  10. Department of Atomic Energy (India)
  11. Department of Science and Technology (India)
  12. Administrative Department of Science, Technology and Innovation (Colombia)
  13. National Council of Science and Technology (Mexico)
  14. National Research Foundation of Korea (Korea)
  15. Foundation for Fundamental Research on Matter (The Netherlands)
  16. Science and Technology Facilities Council (United Kingdom)
  17. The Royal Society (United Kingdom)
  18. Ministry of Education, Youth and Sports (Czech Republic)
  19. Bundesministerium fur Bildung und Forschung (Federal Ministry of Education and Research) (Germany)
  20. Deutsche Forschungsgemeinschaft (German Research Foundation) (Germany)
  21. Science Foundation Ireland (Ireland)
  22. Swedish Research Council (Sweden)
  23. China Academy of Sciences (China)
  24. National Natural Science Foundation of China (China)
  25. Ministry of Education and Science of Ukraine (Ukraine)
  26. ICREA Funding Source: Custom
  27. Direct For Mathematical & Physical Scien
  28. Division Of Physics [1506017, 1306951, 1206092] Funding Source: National Science Foundation
  29. Division Of Physics
  30. Direct For Mathematical & Physical Scien [1508869] Funding Source: National Science Foundation
  31. Science and Technology Facilities Council [ST/M001474/1, ST/K001418/1, PP/D004284/1, ST/K001604/1] Funding Source: researchfish
  32. STFC [PP/D004284/1, ST/K001604/1] Funding Source: UKRI

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We measure the mass of the top quark in lepton + jets final states using the full sample of p (p) over bar collision data collected by the D0 experiment in Run II of the Fermilab Tevatron Collider at root s = 1.96 TeV, corresponding to 9.7 fb(-1) of integrated luminosity. We use a matrix element technique that calculates the probabilities for each event to result from t (t) over bar 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 +/- 0.76 GeV. This constitutes the most precise single measurement of the top-quark mass.

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