Search for Narrow-Width ttbar Resonances in ppbar Collisions at center of mass energy = 1.8 TeV

Details Search for Narrow-Width ttbar Resonances in ppbar Collisions at center of mass energy = 1.8 TeV Search for Narrow-Width ttbar Resonances in ppbar Collisions at center of mass energy = 1.8 TeV

2003-02-25

arxiv.org/abs/hep-ex/0302037v1

Pramana 62:561-564,2004

Physics

High Energy Physics

High Energy Physics - Experiment

3 pages, 1 figure; Submitted for proceedings of 5th International Conference on Quark Confinement and Hadron spectrum, held in

Scientific paper

10.1007/BF02705318

We present a preliminary result on a search for narrow-width resonances that decay into ttbar pairs using 130 pb^{-1} of lepton plus jets data in ppbar collisions at center of mass energy = 1.8 TeV. No significant deviation from Standard Model prediction is observed. 95% C.L. upper limits on the production cross section of the narrow-width resonance times its branching fraction to ttbar are presented for different resonance masses, M_X. We also exclude the existence of a leptophobic topcolor particle, X, with M_X < 560 GeV/c^2 for a width \Gamma_X = 0.012 M_X.

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