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Measurement of the total cross section for e(+)e(-)→hadrons at s√=10.52 GeV
Ammar, Raymond G. Baringer, Philip S. Bean, Alice Besson, David Zeke Coppage, Don Darling, C. Davis, Robin E. P. Hancock, N. Kotov, S. Kravchenko, I.
Ammar, Raymond G.
Baringer, Philip S.
Bean, Alice
Besson, David Zeke
Coppage, Don
Darling, C.
Davis, Robin E. P.
Hancock, N.
Kotov, S.
Kravchenko, I.
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Abstract
Using the CLEO detector at the Cornell Electron Storage Ring, we have made a measurement of R≡σ(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 α(s)(10.52 GeV)=0.20±0.01±0.06, or α(s)(MZ)=0.13±0.005±0.03.
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This is the publisher's version, also available electronically from http://journals.aps.org/prd/abstract/10.1103/PhysRevD.57.1350.
Date
1998-02-01
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American Physical Society
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Baringer_2-1-1998.pdf
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R. Ammar et al. ((CLEO Collaboration)). (1998). "Measurement of the total cross section for e(+)e(-)→hadrons at s√=10.52 GeV." Physical Review D, 57(3):1350. http://dx.doi.org/10.1103/PhysRevD.57.1350