Measurement of the Top Quark Mass in the Dilepton Channel

Details Measurement of the Top Quark Mass in the Dilepton Channel Measurement of the Top Quark Mass in the Dilepton Channel

1998-08-27

arxiv.org/abs/hep-ex/9808029v1

Phys.Rev.D60:052001,1999

Physics

High Energy Physics

High Energy Physics - Experiment

48 pages, 22 figures (encapsultaed postscript), Submitted for publication in Physical Review D

Scientific paper

10.1103/PhysRevD.60.052001

We report a measurement of the top quark mass using six candidate events for the process pbarp->ttbar->l^+ nu l^- nubar b bbar + X, observed in the D0 experiment at the Fermilab ppbar collider. Using maximum likelihood fits to the dynamics of the decays, we measure a mass for the top quark of m(top) = 168.4 +- 12.3 (stat) +- 3.6 (syst) GeV/c^2. We combine this result with our previous measurement in the ttbar->l+jets channel to obtain m(top) = 172.1 +- 7.1 GeV/c^2 as the best value of the mass of the top quark measured by D0.

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