3 papers
hep-ex2024
Search for , and decays
BESIII Collaboration, M. Ablikim, M. N. Achasov +640
By analyzing annihilation data corresponding to an integrated luminosity of 7.93 fb, collected at the center-of-mass energy of 3.773 GeV with the BESIII detector, w…
hep-ex2024
Observation of the Electromagnetic Dalitz Transition
BESIII Collaboration, M. Ablikim, M. N. Achasov +504
Using decays and data samples of collisions with from 4.130 to 4.780~GeV collected with the BESIII detector, we report the…
hep-ex2024
Measurement of the branching fraction of via
BESIII Collaboration, M. Ablikim, M. N. Achasov +640
Based on of collision data taken at center-of-mass energies between 4.237 and 4.699 GeV with the BESIII detector, we study the leptonic de…