Measurement of the Cross Section for e^{+}e^{-}→Hadrons at Energies from 2.2324 to 3.6710 GeV
Based on electron-positron collision data collected with the BESIII detector operating at the Beijing Electron-Positron Collider II storage rings, the value of R≡σ(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 uncertai...
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Veröffentlicht in: | Physical review letters 2022-02, Vol.128 (6), p.062004-062004, Article 062004 |
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Format: | Artikel |
Sprache: | eng |
Online-Zugang: | Volltext |
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