Publicação: Determination of the strong coupling constant from the inclusive jet cross section in pp collisions at s=1.96 TeV
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2009-12-01
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Amer Physical Soc
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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.
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Physical Review D. College Pk: Amer Physical Soc, v. 80, n. 11, p. 7, 2009.
