3 papers
hep-ex2026
Search for the electromagnetic Dalitz decays
BESIII Collaboration, M. Ablikim, M. N. Achasov +689
Using a data sample of events collected at GeV by the BESIII detector, we search for the rare electromagnetic Dalitz dec…
hep-ex2025
A novel measurement of the strong-phase difference between and decays using -even and -odd quantum-correlated pairs
BESIII Collaboration, M. Ablikim, M. N. Achasov +698
A novel measurement technique of strong-phase differences between the decay amplitudes of and mesons is introduced which exploits quantum-correlated pa…
hep-ex2025
Measurement of the branching fractions of , , , , and decays
BESIII Collaboration, M. Ablikim, M. N. Achasov +686
Using of collision data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector operating at the BEPCII collider, the branching…