Yayınlanmış 1 Ocak 2022 | Sürüm v1
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Measurement of the Cross Section for ${e}^{+}{e}^{-}\to \text{Hadrons}$ at Energies from 2.2324 to 3.6710 GeV

Oluşturanlar

  • 1. CERN

Açıklama

Based on electron-positron collision data collected with the BESIII detector operating at the Beijing Electron-Positron Collider II storage rings, the value of $R\equiv \sigma \left({e}^{+}{e}^{-}\to \text{hadrons}\right)/\sigma \left({e}^{+}{e}^{-}\to {\mu }^{+}{\mu }^{-}\right)$ 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.

Dosyalar

PhysRevLett.128.062004.pdf

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md5:87fb6545301dba7da778de09bf65ea6a
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