3 papers
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
Search for the leptonic decays and
BESIII Collaboration, M. Ablikim, M. N. Achasov +572
We present the first search for the leptonic decays and by analyzing a data sample of electron-positron collisions recorded with the BESIII de…
hep-ex2020
Measurement of the Born cross sections for at center-of-mass energies between and GeV
BESIII Collaboration, M. Ablikim, M. N. Achasov +487
The Born cross sections for the process at different center-of-mass energies between and GeV are reported with improved precision fro…