Top Mass Analyses for the Reported Top-Antitop Production and Decay Events

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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23 pages LaTeX(2e). 9 Figures, not included, will be sent on request (goldstei@pearl.tufts.edu)

Scientific paper

We have analyzed the available data on $p\bar{p}\,\rightarrow\, t\, \bar{t}$ followed by the decays ($t\rightarrow bW^{+},\: \bar{t}\rightarrow \bar{b}W^{-}$) which lead to $e^{\pm}\mu^{\mp}2 \mathrm{jets}$ or $l^{\pm}4 \mathrm{jets}$ configurations, using a likelihood method we proposed earlier. The outcome is compared with the recent CDF analysis. In an appendix, we discuss the nature of the additional ``slow'' $\mu^{+}$ observed in one CDF dilepton event, concluding that it is most probably a ``tertiary lepton'' resulting from the decay sequence $b\rightarrow c +\mathrm{hadrons}$, followed by $c\rightarrow s \mu^{+} \nu$.

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