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(alpha_s) QCD matrix element calculations and the QCD scale parameter Lambda_MS is determined for different parametrizations of the renormalization scale omega^2. Including all uncertainties our result is alpha_s(M^2Z)=0.114±0.003[stat.]±0.004[syst.]±0.012[theor.]. © 1990.

Abreu, P., Adam, W., Adami, F., Adye, T., Alexeev, G., Allaby, J., et al. (1990). A comparison of jet production rates on the Z0 resonance to perturbative QCD. PHYSICS LETTERS. SECTION B, 247(1), 167-176 [10.1016/0370-2693(90)91065-J].

A comparison of jet production rates on the Z0 resonance to perturbative QCD

Calvi, M.;Matteuzzi, C.;Negri, P.;Pullia, A.;Ragazzi, S.;
1990

Abstract

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(alpha_s) QCD matrix element calculations and the QCD scale parameter Lambda_MS is determined for different parametrizations of the renormalization scale omega^2. Including all uncertainties our result is alpha_s(M^2Z)=0.114±0.003[stat.]±0.004[syst.]±0.012[theor.]. © 1990.
Articolo in rivista - Articolo scientifico
Scientifica
Nuclear and High Energy Physics
English
Abreu, P., Adam, W., Adami, F., Adye, T., Alexeev, G., Allaby, J., et al. (1990). A comparison of jet production rates on the Z0 resonance to perturbative QCD. PHYSICS LETTERS. SECTION B, 247(1), 167-176 [10.1016/0370-2693(90)91065-J].
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