Measuring the Top Quark Mass using Kinematic Endpoints
Abstract
We report on a simultaneous measurement of the top quark, W boson, and neutrino masses in tt dilepton decays with 4.98 fb-1 of data from the CMS experiment. The analysis is based on endpoint determinations in kinematic distributions. In addition to the unconstrained fit for three masses, the neutrino and W boson masses can be constrained to standard values; in the maximally constrained fit, the top quark mass is found to be Mt = 173.9 0.9 (stat) +1.2-1.8 (syst) GeV.
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