3 papers
hep-ex2024
Search for lepton number violating decays of
BESIII Collaboration, M. Ablikim, M. N. Achasov +655
Based on 7.33 fb of collision data collected by the BESIII detector operating at the BEPCII collider at center-of-mass energies from 4.128 to 4.226 GeV, a search fo…
hep-ex2024
Measurements of the -even fractions of and at BESIII
BESIII Collaboration, M. Ablikim, M. N. Achasov +653
The -even fractions () of the decays and are measured with a quantum-correlated data sample collec…
hep-ex2024
Analysis of the dynamics of the decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +649
The branching fraction of is measured for the first time using of annihilation data collected at the center-of-mass…