3 papers
hep-ex2023
Observation of the decay with
BESIII Collaboration, M. Ablikim, M. N. Achasov +612
Using a data sample of events collected by the BESIII detector in 2009, 2012, 2018 and 2019, the electromagnetic Dalitz process $J/ψ\to e^+ e^- η(14…
hep-ex2022
Measurement of the cross section in the vicinity of 3.872 GeV
BESIII Collaboration, M. Ablikim, M. N. Achasov +566
We report a measurement of the cross section for the process around the mass in search for the direct formation of through the tw…
hep-ex2022
Measurement of the total and leptonic decay widths of the resonance with an energy scan method at BESIII
BESIII Collaboration, M. Ablikim, M. N. Achasov +566
Using annihilation data sets collected with the BESIII detector, we measure the cross sections of the processes and at fifteen cent…