Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2011-04-11
Physics
High Energy Physics
High Energy Physics - Experiment
10 pages, 4 figures, 2 tables, submitted to Phys. Lett. B, corrected chi2 values for NNPDF
Scientific paper
We present the first measurement of the inclusive three-jet differential cross section as a function of the invariant mass of the three jets with the largest transverse momenta in an event in p anti-p collisions at sqrt(s) = 1.96 TeV. The measurement is made in different rapidity regions and for different jet transverse momentum requirements and is based on a data set corresponding to an integrated luminosity of 0.7 fb^{-1} collected with the D0 detector at the Fermilab Tevatron Collider. The results are used to test the three-jet matrix elements in perturbative QCD calculations at next-to-leading order in the strong coupling constant. The data allow discrimination between parametrizations of the parton distribution functions of the proton.
"D0 Collaboration
Abazov V.
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