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Study of hadronic event-shape variables in multijet final states in pp collisions at sqrt(s) = 7 TeV
Orientador(es)
Resumo(s)
Event-shape variables, which are sensitive to perturbative and nonperturbative aspects of quantum chromodynamic (QCD) interactions, are studied in multijet events recorded in proton-proton collisions at $ \sqrt{s} = 7 $ TeV. Events are selected with at least one jet with transverse momentum p$_{T}$ > 110 GeV and pseudorapidity |η| < 2.4, in a data sample corresponding to integrated luminosities of up to 5 fb$^{−1}$. The distributions of five event-shape variables in various leading jet p$_{T}$ ranges are compared to predictions from different QCD Monte Carlo event generators.