NLO predictions for t-channel production of single top and fourth generation quarks at hadron colliders

Details NLO predictions for t-channel production of single top and fourth generation quarks at hadron colliders NLO predictions for t-channel production of single top and fourth generation quarks at hadron colliders

2009-07-23

arxiv.org/abs/0907.3933v2

JHEP10(2009)042

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages, 8 figures

Scientific paper

10.1088/1126-6708/2009/10/042

We present updated NLO predictions for the electroweak t-channel production of heavy quarks at the Tevatron and at the LHC. We consider production of single top and fourth generation t' starting from both 2 to 2 and 2 to 3 Born processes. Predictions for tb' and t'b' cross sections at NLO are also given for the first time. A thorough study of the theoretical uncertainties coming from parton distribution functions, renormalisation and factorisation scale dependence and heavy quark masses is performed.

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