Measurement of the Top Quark Mass Using Dilepton Events

Details Measurement of the Top Quark Mass Using Dilepton Events Measurement of the Top Quark Mass Using Dilepton Events

1997-06-15

arxiv.org/abs/hep-ex/9706014v1

Phys.Rev.Lett.80:2063-2068,1998

Physics

High Energy Physics

High Energy Physics - Experiment

12 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.80.2063

The D0 collaboration has performed a measurement of the top quark mass based on six candidate events for the process t tbar -> b W+ bbar W-, where the W bosons decay to e nu or mu nu. This sample was collected during an exposure of the D0 detector to an integrated luminosity of 125 pb^-1 of sqrt(s)=1.8 TeV p-pbar collisions. We obtain mt = 168.4 +- 12.3 (stat) +- 3.7 (sys) GeV/c^2, consistent with the measurement obtained using single-lepton events. Combination of the single-lepton and dilepton results yields mt = 172.0 +- 7.5 GeV/c^2.

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