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Determination of the number of \(ψ(3686)\) events taken at BESIII

By Besiii Collaboration and others
The number of \(\psi(3686)\) events collected by the BESIII detector during the 2021 run period is determined to be \((2259.3\pm 11.1)\times 10^6\) by counting inclusive \(\psi(3686)\) hadronic events. The uncertainty is systematic and the statistical uncertainty is negligible. Meanwhile, the numbers of \(\psi(3686)\) events collected during the 2009 and 2012... Show more
March 12, 2024
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