2 papers
hep-ex2025
Cross section measurement of and search for
BESIII Collaboration, M. Ablikim, M. N. Achasov +645
The energy-dependent cross section for is measured at eighteen center of mass energies from 4.288 GeV to 4.951 GeV using the BESIII detector. Using the same da…
hep-ex2025
Observation of and Evidence for in
BESIII Collaboration, M. Ablikim, M. N. Achasov +644
Based on of annihilation data collected at center-of-mass energies from 4.600 to 4.843 GeV with the BESIII detector at the BEPCII collider, a partia…