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Combination of CDF and D0 Results on the Mass of the Top Quark

Tevatron Electroweak Working Group
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Abstract

We summarize the top-quark mass measurements from the CDF and D0 experiments at Fermilab. We combine published Run-I (1992- 1996) measurements with the most recent preliminary Run-II (2001- present) measurements using up to 750/pb of data. Taking correlated uncertainties properly into account the resulting preliminary world average mass of the top quark is Mt=172.5 +/- 1.3(stat) +/- 1.9(syst) GeV/c2, which corresponds to a total uncertainty of 2.3 GeV/c2. The top-quark mass is now known with a precision of 1.3% - a 20% improvement relative to the previous combination.

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Tevatron Electroweak Working Group. 2006-03-20. Combination of CDF and D0 Results on the Mass of the Top Quark. https://arxiv.org/abs/hep-ex/0603039

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