Research Papers in Physics and Astronomy

 

Date of this Version

1-11-1999

Comments

Published by American Physical Society. Phys. Rev. Lett. 82, 271 (1999). http://prl.aps.org. Copyright © 1999 American Physical Society. Permission to use.

Abstract

We present a new measurement of the top quark mass in tt̅ events in which both W bosons from top quarks decay into leptons (eν, μν). We use events collected by the CDF experiment from pp̅ collisions at √s =1.8 TeV at the Tevatron collider. We measure a top quark mass of 167.4 ± 10.3(stat) ± 4.8(syst) GeV/c2 from a sample of eight events. We combine this result with previous CDF measurements in other decay channels to obtain a final mass value of 176.0 ± 6.5 GeV/c2.

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