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Precise measurement of the top quark mass from lepton+jets events at D0

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Article number182001
<mark>Journal publication date</mark>28/10/2008
<mark>Journal</mark>Physical Review Letters
Issue number18
Number of pages7
<mark>Original language</mark>English


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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© 2008 The American Physical Society

submitted to Phys. Rev. Letters