Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-09-07
JHEP0601:027,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
23 pages, 14 figures, few typos corrected, written in JHEP style
Scientific paper
10.1088/1126-6708/2006/01/027
We consider lepton pair production at a hadron collider in a class of effective theories with the relevant operators being four-fermion contact interaction. Despite the nonrenormalizable nature of the interaction, we explicitly demonstrate that calculating QCD corrections is both possible and meaningful. Calculating the corrections for various differential distributions, we show that these can be substantial and significantly different from those within the SM. Furthermore, the corrections have a very distinctive flavour dependence. And finally, the scale dependence of the cross sections are greatly reduced once the NLO corrections are taken into account.
Choudhury Debajyoti
Majhi Swapan
Ravindran V.
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