Atwood, W.B
E+ E- --> HADRONS
[2.0, 5.0]
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rivet Analysis
Measurements of the Cross Section for e+e- -> hadrons at Center-of-Mass Energies from 2 to 5 GeV

The BES collaboration Bai, J.Z. ; Ban, Y. ; Bian, J.G. ; et al.
Phys.Rev.Lett. 88 (2002) 101802, 2002.
Inspire Record 552757 DOI 10.17182/hepdata.41990

We report values of $R = \sigma(e^+e^-\to {hadrons})/\sigma(e^+e^-\to\mu^+\mu^-)$ for 85 center-of-mass energies between 2 and 5 GeV measured with the upgraded Beijing Spectrometer at the Beijing Electron-Positron Collider.

1 data table
Table 1

Measured values of R.