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Measurement of three-jet differential cross sections d sigma(3jet)/dM(3jet) in p(p)over-bar collisions at root s=1.96 TeV
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2011 (English)In: Physics Letters B, ISSN 0370-2693, Vol. 704, no 5, 434-441 p.Article in journal (Refereed) Published
Abstract [en]

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 (p) over bar collisions at root 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 DO 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. (C) 2011 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2011. Vol. 704, no 5, 434-441 p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-166094DOI: 10.1016/j.physletb.2011.09.048ISI: 000296549200007OAI: oai:DiVA.org:uu-166094DiVA: diva2:475722
Available from: 2012-01-11 Created: 2012-01-10 Last updated: 2012-01-11Bibliographically approved

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Bélanger-Champagne, CamilleBuszello, Claus P.
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