Top Quark Mass Measurements at CDF
Erik Brubaker
Abstract
The mass of the top quark Mtop is interesting both as a fundamental parameter of the standard model and as an important input to precision electroweak tests. The Collider Detector at Fermilab (CDF) has a robust program of top quark mass analyses, including the most precise single measurement, Mtop = 173.4 +/- 2.8 GeV/c2, using 680 pb-1 of ppbar collision data. A combination of current results from CDF gives Mtop = 172.0 +/- 2.7 GeV/c2, surpassing the stated goal of 3 GeV/c2 precision using 2 fb-1 of data. Finally, a combination with current D0 results gives a world average top quark mass of 172.5 +/- 2.3 GeV/c2.
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