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Measurement of differential Z/gamma* plus jet plus X cross sections in p(p)over-bar collisions at root S=1.96 TeV
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2008 (English)In: Physics Letters B, ISSN 0370-2693, Vol. 669, no 5, 278-286 p.Article in journal (Refereed) Published
Abstract [en]

We present new measurements of differential cross sections for Z/gamma* (-> mu mu) + jet + X production in a 1 fb(-1) data sample collected with the DO detector in p (p) over bar collisions at root s = 1.96 TeV. Results include the first measurements differential in the Z/gamma* transverse momentum and rapidity, as well as new measurements differential in the leading jet transverse momentum and rapidity. Next-to-leading order perturbative QCD predictions are compared to the measurements, and reasonable agreement is observed, except in the region of low Z/gamma* transverse momentum. Predictions from two event generators based on matrix elements and parton showers, and one pure parton shower event generator are also compared to the measurements. These show significant overall normalization differences to the data and have varied success in describing the shape of the distributions.

Place, publisher, year, edition, pages
2008. Vol. 669, no 5, 278-286 p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-129283DOI: 10.1016/j.physletb.2008.09.060ISI: 000261631800006OAI: oai:DiVA.org:uu-129283DiVA: diva2:342784
Available from: 2010-08-11 Created: 2010-08-10 Last updated: 2011-01-03Bibliographically approved

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Department of Physics and Materials ScienceUppsala University
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