Determination of the strong coupling constant from the inclusive jet cross section in pp- collisions at sqrt s=1.96 TeV

Authors
  • V.M. Abazov
  • [Unknown] et al.
  • L.S. Ancu
  • S.J. de Jong
  • F. Filthaut
  • C.F. Galea
  • J.G. Hegeman
  • P. Houben
  • M.M. Meijer
  • P. Svoisky
  • P.J. van den Berg
  • W.M. van Leeuwen
Publication date 2009
Journal Physical Review D. Particles, Fields, Gravitation, and Cosmology
Volume | Issue number 80 | 11
Pages (from-to) 111107(R)
Number of pages 7
Organisations
  • Faculty of Science (FNWI) - Institute of Physics (IoP) - Institute for High Energy Physics (IHEF)
Abstract 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.
Document type Article
Published at https://doi.org/10.1103/PhysRevD.80.111107
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