C. Pahl

Determination of the Strong Coupling \boldmath{\as} from hadronic Event Shapes and NNLO QCD predictions using JADE Data

Event Shape Data from

Determination of the strong coupling αS from hadronic event shapes with \mathcal{O}(\ensuremath {\alpha _{\mathrm {S}}}^{3}) and resummed QCD predictions using JADE data

e^+e^-

A measurement of the QCD colour factors using event shape distributions at \(\sqrt{s}=14\) to 189 GeV

annihilation into hadrons collected by the JADE experiment at centre-of-mass energies between 14 GeV and 44 GeV are used to determine the strong coupling

Measurement of the strong coupling αs from the four-jet rate in e+e- annihilation using JADE data

\alpha_S

Study of moments of event shapes and a determination of α S using e+e− annihilation data from JADE

. QCD predictions complete to next-to-next-to-leading order (NNLO), alternatively combined with resummed next-to-leading-log-approximation (NNLO+NLLA) calculations, are used. The combined value from six different event shape observables at the six JADE centre-of-mass energies using the NNLO calculations is

Tests of analytical hadronisation models using event shape moments in e+e− annihilation

\alpha_S(M_Z)

Tests of analytical hadronisation models usingeventshapemoments in e + e - ann

= 0.1210 +/- 0.0007(stat.) +/- 0.0021(expt.) +/- 0.0044(had.) +/- 0.0036(theo.) and with the NNLO+NLLA calculations the combined value is

Determination of the strong coupling alphaS from hadronic event shapes with mathcal{O}(ensuremath {alpha S}3) and resummed QCD predictions using JADE data

\alpha_S

Study of moments of event shapes in e+e- annihilation using JADE data

= 0.1172 +/- 0.0006(stat.) +/- 0.0020(expt.) +/- 0.0035(had.) +/- 0.0030(theo.) . The stability of the NNLO and NNLO+NLLA results with respect to missing higher order contributions, studied by variations of the renormalisation scale, is improved compared to previous results obtained with NLO+NLLA or with NLO predictions only. The observed energy dependence of