Abstract
Based on electron-positron collision data collected with the BESIII detector operating at the Beijing Electron-Positron Collider II storage rings, the value of Rσ(e+e-→hadrons)/σ(e+e-→μ+μ-) is measured at 14 center-of-mass energies from 2.2324 to 3.6710 GeV. The resulting uncertainties are less than 3.0% and are dominated by systematic uncertainties.
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CITATION STYLE
Ablikim, M., Achasov, M. N., Adlarson, P., Ahmed, S., Albrecht, M., Aliberti, R., … Zou, J. H. (2022). Measurement of the Cross Section for e+e- →Hadrons at Energies from 2.2324 to 3.6710 GeV. Physical Review Letters, 128(6). https://doi.org/10.1103/PhysRevLett.128.062004
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