Autor: |
Ablikim, M., Adlarson, Patrik, Ikegami Andersson, Walter, Johansson, Tord, Kupsc, Andrzej, Pettersson, Joachim, Schönning, Karin, Thorén, Viktor, Wolke, Magnus, Zou, J. H. |
Jazyk: |
angličtina |
Rok vydání: |
2022 |
Předmět: |
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Popis: |
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 equivalent to sigma(e(+)e(-)-> hadrons)/sigma(e(+)e(-) -> mu(+)mu(-)) 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. For complete list of authors see http://dx.doi.org/10.1103/PhysRevLett.128.062004 |
Databáze: |
OpenAIRE |
Externí odkaz: |
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