2 papers
hep-ex2025
Measurements of the Absolute Branching Fraction of the Semileptonic Decay and the Axial Charge of the
BESIII Collaboration, M. Ablikim, M. N. Achasov +685
Using events collected with the BESIII detector, we study the semileptonic decay for the first time at an electron-…
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…