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Phys. Rev. D 57, 1350–1358 (1998)

Measurement of the total cross section for e+e-hadrons at s=10.52 GeV

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R. Ammar et al. (CLEO Collaboration)
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Received 7 July 1997; published in the issue dated 1 February 1998

Using the CLEO detector at the Cornell Electron Storage Ring, we have made a measurement of Rσ(e+e-→hadrons)/σ(e+e-μ+μ-)=3.56±0.01±0.07 at s=10.52 GeV. This implies a value for the strong coupling constant of αs(10.52GeV)=0.20±0.01±0.06, or αs(MZ)=0.13±0.005±0.03.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.57.1350
DOI:
10.1103/PhysRevD.57.1350
PACS:
12.38.Aw, 12.38.Qk, 13.60.Hb, 13.85.Lg