3 papers
hep-ph2025
-parity violating amplitudes in the decay
Rinaldo Baldini Ferroli, Alessio Mangoni, Simone Pacetti
The decays of the negative -parity meson into even numbers of pions violate -parity. Such decays, as well as other -parity decays into hadrons, can be parametrized…
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 th…
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 BESII…