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Determination of the strong coupling constant from the inclusive jet cross section in pp collisions at s=1.96 TeV
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2009 (English)In: PHYS REV D, ISSN 1550-7998, Vol. 80, no 11, p. 111107-Article in journal (Refereed) Published
Abstract [en]

We determine the strong coupling constant alpha(s) and its energy dependence from the p(T) dependence of the inclusive jet cross section in pp collisions at s=1.96 TeV. The strong coupling constant is determined over the transverse momentum range 50 < p(T)< 145 GeV. Using perturbative QCD calculations to order O(alpha(3)(s)) combined with O(alpha(4)(s)) contributions from threshold corrections, we obtain alpha(s)(M-Z)=0.1161(-0.0048)(+0.0041). This is the most precise result obtained at a hadron-hadron collider.

Place, publisher, year, edition, pages
2009. Vol. 80, no 11, p. 111107-
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Physical Sciences
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URN: urn:nbn:se:uu:diva-141763DOI: 10.1103/PhysRevD.80.111107ISI: 000273233000007OAI: oai:DiVA.org:uu-141763DiVA, id: diva2:386630
Available from: 2011-01-13 Created: 2011-01-12 Last updated: 2011-01-13Bibliographically approved

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