4 papers · 1 filter
Measurement of Born Cross Section for at GeV
BESIII Collaboration, M. Ablikim, M. N. Achasov +759
Using collision data collected with the BESIII detector at the BEPCII collider corresponding to a total integrated luminosity of 44~fb, we present the first measure…
Search for a massless particle beyond the Standard Model in the decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +765
A search for a massless beyond-standard-model particle is performed in the decay using events collected with…
Precision Studies and Searches for CP Asymmetries in the Inclusive Decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +716
Based on annihilation data collected with the BESIII detector at center-of-mass energies from to , corresponding to an integrated luminosit…
Measurement of Born Cross Sections for at GeV and Observation of
BESIII Collaboration, M. Ablikim, M. N. Achasov +704
Using collision data corresponding to an integrated luminosity of 44 fb collected with the BESIII detector at the BEPCII collider, we report the first measurement o…