
handle: 10261/384528
The production rates for 2-, 3-, 4- and 5-jet hadronic final states have been measured with the DELPHI detector at the e +e- storage ring LEP at centre of mass energies around 91.5 GeV. Fully corrected data are compared to O(α2s) QCD matrix element calculations and the QCD scale parameter A~ is determined for different parametrizations of the renormalization scale ω2. Including all uncertainties our result is as αs(M2Z)=0.114±0.003[stat.]±0.004[syst.]±0.012[theor.].
DELPHI Collaboration: et al.
Peer reviewed
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