[Unknown] et al.
S.J. de Jong
P.J. van den Berg
W.M. van Leeuwen
- Determination of the strong coupling constant from the inclusive jet cross section in pp- collisions at sqrt s=1.96 TeV
- Physical Review D. Particles, Fields, Gravitation, and Cosmology
- Volume | Issue number
- 80 | 11
- Number of pages
- Document type
- Faculty of Science (FNWI)
- Institute for High Energy Physics (IHEF)
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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