2 papers
hep-ex2026
First energy scan measurement of around the resonance
BESIII Collaboration, M. Ablikim, M. N. Achasov +684
We report the precise energy scan measurement of the cross section lineshape of . The analysis is based on collision data corresponding to an int…
hep-ex2025
First measurement of the cross sections for at from 4.396 to 4.951 GeV
BESIII Collaboration, M. Ablikim, M. N. Achasov +701
Using collision data at 19 center-of-mass energies ranging from to corresponding to a total integrated luminosity of coll…