Charge asymmetry of heavy quarks at hadron colliders
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Charge asymmetry of heavy quarks at hadron colliders

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Charge asymmetry of heavy quarks at hadron colliders

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Kühn, Johann H.; Rodrigo García, Germán Vicente
Aquest document és un/a article, creat/da en: 1999
A sizeable difference in the differential production cross section of top and antitop quarks, respectively, is predicted for hadronically produced heavy quarks. It is of order αs and arises from the interference between charge odd and even amplitudes respectively. For the TEVATRON it amounts up to 15\% for the differential distribution in suitable chosen kinematical regions. The resulting integrated forward-backward asymmetry of 4--5\% could be measured in the next round of experiments. At the LHC the asymmetry can be studied by selecting appropriately chosen kinematical regions. Furthermore, a slight preference at LHC for centrally produced antitop is predicted, with top quarks more abundant at large positive and negative rapidities.

    Kühn, Johann H. Rodrigo García, Germán Vicente 1999 Charge asymmetry of heavy quarks at hadron colliders Physical Review D 59 5 054017
http://dx.doi.org/10.1103/PhysRevD.59.054017
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