Determination of the strong coupling constant from inclusive jet cross section in ppbar collisions at sqrt(s)=1.96 TeV with the D0 experiment
Conference
·
OSTI ID:984008
The strong coupling constant as and its dependence on the momentum scale is determined from the pT dependence of the inclusive jet cross section in p{bar p} collisions at {radical}s = 1.96 TeV measured with the D0 experiment. The jet transverse momentum range of 50 < p{sub T} < 145 GeV contributes to the determination. Using perturbative QCD caclulations to order {theta}({alpha}{sup 3}{sub s}) combined with resummed threshold corrections to order {theta}({alpha}{sup 3}{sub s}) an {alpha}{sub s}(MZ) = 0.1161{sup +0.0041}{sub -0.0048} is obtained. This is the most precise result from a hadron-hadron collider.
- Research Organization:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 984008
- Report Number(s):
- FERMILAB-CONF-10-199-E-PPD; arXiv eprint number arXiv:1006.2855
- Country of Publication:
- United States
- Language:
- English
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