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Ferrario, Paola; Rodrigo García, Germán Vicente | |||
Aquest document és un/a article, creat/da en: 2009 | |||
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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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