A Search for new particles decaying into top quark anti-top quark pairs

Abstract

We use 106 pb-1 of data collected with the Collider Detector at Fermilab to search for narrow-width particles decaying to a top and an anti-top quark. We measure the t$\bar{t}$ invariant mass distribution by requiring that either t or $\bar{t}$ decays semileptonically to an electron or muon and the other decays hadronically.

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