On Measuring the top quark mass using the dilepton decay modes

Details On Measuring the top quark mass using the dilepton decay modes On Measuring the top quark mass using the dilepton decay modes

1996-09-20

arxiv.org/abs/hep-ex/9609016v1

ECONF C960625:STC122,1996; Phys.Rev.D55:2902-2906,1997

Physics

High Energy Physics

High Energy Physics - Experiment

To appear in the proceedings of the 1996 DPF/DPB study on new directions for High Energy Physics, Snowmass, Colorado

Scientific paper

10.1103/PhysRevD.55.2902

We demonstrate a new likelihood method for extracting the top quark mass from events of the type ttbar-->bW(l+nu)bW(l+nu) This method estimates the top quark mass correctly from an ensemble of dilepton events. The method proposed by Dalitz and Goldstein [1] is shown to result in a systematic underestimation of the top quark mass. Effects due to the spin correlations between the top and anti-top quarks are shown to be unimportant in estimating the mass of the top quark.

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