Search for resonant ttbar production in ppbar collisions at sqrt{s}=1.96 TeV

Details Search for resonant ttbar production in ppbar collisions at sqrt{s}=1.96 TeV Search for resonant ttbar production in ppbar collisions at sqrt{s}=1.96 TeV

2007-09-05

arxiv.org/abs/0709.0705v1

Phys.Rev.Lett.100:231801,2008

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 3 figures. submitted to Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.100.231801

We report on a search for narrow-width particles decaying to a top and antitop quark pair. The data set used in the analysis corresponds to an integrated luminosity of 680 pb^{-1} collected with the Collider Detector at Fermilab in Run II. We present 95% confidence level upper limits on the cross section times branching ratio. Assuming a specific topcolor-assisted technicolor production model, the leptophobic Z' with width \Gamma_{Z'}=0.012M_{Z'}, we exclude the mass range M_{Z'} < 725 GeV/c^2 at the 95% confidence level.

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