2 papers
hep-ex2026
Study of
BESIII Collaboration, M. Ablikim, M. N. Achasov +639
Using a sample of events accumulated with the BESIII detector, we analyze the decays ( or ) via the process…
hep-ex2025
Study of the electromagnetic Dalitz decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +640
We report the first measurement of the di-electron invariant mass dependent transition form factor in the electromagnetic Dalitz decay using $(10087 \pm 44) \…