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Test of the flavor independence of strong interactions

K. Abe et al. (SLD Collaboration)
Phys. Rev. D 53, R2271(R) – Published 1 March 1996
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Abstract

We present a comparison of the strong couplings of light (u, d, and s), c, and b quarks determined from multijet rates in flavor-tagged samples of hadronic Z0 decays recorded with the SLC Large Detector at the SLAC Linear Collider. Flavor separation on the basis of lifetime and decay multiplicity differences among hadrons containing light, c, and b quarks was made using the SLD precision tracking system. We find αsudsαsall=0.987±0.027(stat)±0.022(syst)±0.022(theory), αscαsall=1.012±0.104±0.102±0.096, and αsbαsall=1.026±0.041±0.041±0.030.

  • Received 16 December 1994

DOI:https://doi.org/10.1103/PhysRevD.53.R2271

©1996 American Physical Society

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Vol. 53, Iss. 5 — 1 March 1996

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