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Phys. Rev. Lett. 71, 2528–2532 (1993)

Measurement of αs from jet rates at the Z0 resonance

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K. Abe et al.
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Received 21 July 1993; published in the issue dated 18 October 1993

We have determined the strong coupling αs from measurements of jet rates in hadronic decays of Z0 bosons collected by the SLD experiment at SLAC. Using six collinear and infrared safe jet algorithms we compared our data with the predictions of QCD calculated up to second order in perturbation theory, and also with resummed calculations. We find αs(MZ2)=0.118±0.002(stat)±0.003(syst)±0.010(theory), where the dominant uncertainty is from uncalculated higher order contributions.

© 1993 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.71.2528
DOI:
10.1103/PhysRevLett.71.2528
PACS:
12.38.Qk, 13.38.+c, 13.87.Ce