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arXiv · 0906.5541

Constraining heavy colored resonances from top-antitop quark events

Paola Ferrario·German Rodrigo
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Abstract

Recent measurements of the top quark charge asymmetry at Tevatron disfavor the existence of flavor universal axigluons and colorons at 2 sigmas. In this letter we explore the possibility to reconcile the data with these models and use the charge asymmetry and the invariant mass distribution of top-antitop quark pair events to constrain the mass and couplings of massive color-octet gauge bosons decaying to top quarks.

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Paola Ferrario, German Rodrigo. 2009-09-04. Constraining heavy colored resonances from top-antitop quark events. https://doi.org/10.1103/physrevd.80.051701

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