Measurement of the Cross Section for e+e- →Hadrons at Energies from 2.2324 to 3.6710 GeV

(BESIII Collaboration)

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16 Scopus citations

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.

Original languageEnglish (US)
Article number062004
JournalPhysical review letters
Volume128
Issue number6
DOIs
StatePublished - Feb 11 2022

Bibliographical note

Publisher Copyright:
© 2022 authors. Published by the American Physical Society.

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