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hep-ex2026
Measurement of the double Dalitz decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +689
Using a data sample of events collected with the BESIII detector, we study the rare double Dalitz decay of …
hep-ex2026
Improved measurements of the coherence factors and strong-phase differences in and with quantum-correlated decays
BESIII Collaboration, M. Ablikim, M. N. Achasov +680
Improved measurements of the coherence factors and strong-phase differences in and decays are reported, using quantum-correlated pai…