2 papers
hep-ex2025
Search for the leptonic decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +651
We search for the leptonic decay using an collision data sample with an integrated luminosity of 20.3~fb collected with the BESIII detector at the…
hep-ex2021
Rediscovery of at Belle II
Belle II Collaboration, F. Abudinén, I. Adachi +545
We present preliminary results on the reconstruction of the decay, where or $e^+e…