Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2007-03-19
Physics
High Energy Physics
High Energy Physics - Experiment
13 pages, 1 figure; all Run-II results updated to include 1000 pb-1
Scientific paper
We summarize the top-quark mass measurements from the CDF and D0 experiments at Fermilab. We combine published Run-I measurements with the most recent Run-II measurements. Taking correlated uncertainties into account the resulting preliminary world average top-quark mass is Mt=170.9+/-1.1(sta)+/-1.5(sys) GeV/c2 assuming Gaussian systematic uncertainties. Adding in quadrature yields a total uncertainty of 1.8 GeV/c2, corresponding to a relative precision of 1.1% on the mass of the top quark.
for the CDF Collaboration
The D0 Collaboration
Working Group Tevatron Electroweak
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