# Determination of the strong coupling constant from the inclusive jet cross section in ppbar collisions at sqrt(s)=1.96 TeV

Abstract : We determine the strong coupling constant alphas and its energy dependence from the pT dependence of the inclusive jet cross section in ppbar collisions at sqrt(s)=1.96 TeV. The strong coupling constant is determined over the transverse momentum range 50 < pT < 145 GeV. Using perturbative QCD calculations to order O(alphas^3) combined with O(alphas^4) contributions from threshold corrections, we obtain alphas(MZ) = 0.1173 +0.0041 -0.0049. This is the most precise result obtained at a hadron-hadron collider.
Document type :
Journal articles

http://hal.in2p3.fr/in2p3-00432701
Contributor : Emmanuelle Vernay <>
Submitted on : Tuesday, November 17, 2009 - 8:22:54 AM
Last modification on : Wednesday, September 16, 2020 - 4:19:59 PM

### Citation

V.M. Abazov, B. Abbott, M. Abolins, B.S. Acharya, M. Adams, et al.. Determination of the strong coupling constant from the inclusive jet cross section in ppbar collisions at sqrt(s)=1.96 TeV. Physical Review D, American Physical Society, 2009, 80, 111107(r) 7 p. ⟨10.1103/PhysRevD.80.111107⟩. ⟨in2p3-00432701⟩

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