4.8 Article

Precise Measurement of the Top-Quark Mass from lepton plus jets Events

Journal

PHYSICAL REVIEW LETTERS
Volume 101, Issue 18, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.101.182001

Keywords

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Funding

  1. Science and Technology Facilities Council [PP/E000487/1, ST/F007418/1, ST/F00754X/1, PP/D004284/1] Funding Source: researchfish
  2. STFC [PP/E000487/1, ST/F00754X/1, ST/F007418/1, PP/D004284/1] Funding Source: UKRI

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We measure the mass of the top quark using top-quark pair candidate events in the lepton+jets channel from data corresponding to 1 fb(-1) of integrated luminosity collected by the D0 experiment at the Fermilab Tevatron collider. We use a likelihood technique that reduces the jet energy scale uncertainty by combining an in situ jet energy calibration with the independent constraint on the jet energy scale (JES) from the calibration derived using photon+jets and dijet samples. We find the mass of the top quark to be 171.5 +/- 1.8(stat.+JES)+/- 1.1(syst.) GeV.

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