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28 March 2024
 
  » arxiv » 1105.0320

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Precise measurement of the top quark mass in the dilepton channel at D0
D0 Collaboration ; V. Abazov ;
Date 2 May 2011
AbstractWe measure the top quark mass (mt) in ppbar collisions at a center of mass energy of 1.96 TeV using dilepton ttbar->W+bW-bbar->l+nubl-nubarbbar events, where l denotes an electron, a muon, or a tau that decays leptonically. The data correspond to an integrated luminosity of 5.4 fb-1 collected with the D0 detector at the Fermilab Tevatron Collider. We obtain mt = 174.0 +- 1.8(stat) +- 2.4(syst) GeV, which is in agreement with the current world average mt = 173.3 +- 1.1 GeV. This is currently the most precise measurement of mt in the dilepton channel.
Source arXiv, 1105.0320
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