A Measurement of the Total Cross Section for $e^{+}e^{-}\to hadrons$ at $\sqrt{s}$=10.52 GeV

Details A Measurement of the Total Cross Section for $e^{+}e^{-}\to hadrons$ at $\sqrt{s}$=10.52 GeV A Measurement of the Total Cross Section for $e^{+}e^{-}\to hadrons$ at $\sqrt{s}$=10.52 GeV

1997-07-08

arxiv.org/abs/hep-ex/9707018v1

Phys.Rev.D57:1350-1358,1998

Physics

High Energy Physics

High Energy Physics - Experiment

15 page postscript file, postscript file also available through http://w4.lns.cornell.edu/public/CLNS

Scientific paper

10.1103/PhysRevD.57.1350

Using the CLEO detector at the Cornell Electron Storage Ring, we have made a
measurement of R=sigma(e+e- ->hadrons)/sigma(e+e- ->mu+mu-) =3.56+/-0.01+/-0.07
at ECM=10.52 GeV. This implies a value for the strong coupling constant of
alpha_s(10.52 GeV)=0.20+/-0.01+/-0.06, or alpha_s(M_Z)=0.13+/-0.005+/-0.03.

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