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Observation of \(ψ(3686)\to 3φ\)

By Besiii Collaboration and others
Using \((2.712\pm0.014)\times 10^9\) \(\psi(3686)\) events collected by the BESIII detector operating at the BEPCII collider, we report the first observation of \(\psi(3686)\to 3\phi\) decay with a significance larger than 10\(\sigma\). The branching fraction of this decay is determined to be \((1.46\pm0.05\pm0.17)\times10^{-5}\), where the first uncertainty is statistical and the second... Show more
March 4, 2024
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