2 papers
hep-ex2023
Determination of spin and parity of mesons
BESIII Collaboration, M. Ablikim, M. N. Achasov +611
The spin and parity of the charmed mesons , and are determined for the first time to be with significances greater than 10 over other h…
hep-ex2023
First Experimental Study of the Purely Leptonic Decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +615
Using of collision data taken with the BESIII detector at the BEPCII collider, we report the first experimental study of the purely leptonic decay…