Simultaneous measurement of alpha_s and the number of flavours. Comparison to the prediction in case of the existence of a light gluino. See

A measurement of the QCD colour factors and a limit on the light gluino

Final (ps) (abstract)

some figures : fig 1 fig 2 fig 3 fig 4 fig 5 fig 6 fig 7 fig 8

ALEPH collaboration, possible contact person(s) : G. Dissertori

Refs : QCD perturbatif

CERN PPE/97-002

Zeitschrift für Physik C 76 (1997) 1

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