4 papers
hep-ex2026
Measurement of the double Dalitz decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +689
Using a data sample of events collected with the BESIII detector, we study the rare double Dalitz decay of …
hep-ex2026
Amplitude Analysis of the Isospin-Violating Decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +759
Using events collected with the BESIII detector, we perform the first amplitude analysis of the process . The decay is dominated b…
hep-ex2026
Observation of and search for
BESIII Collaboration, M. Ablikim, M. N. Achasov +719
By analysing 6.1 of data collected at center-of-mass energies between and 4.843 with the BESIII detector at the BEPCII collider, we obser…
hep-ex2026
Searches for charged-lepton-flavor violation in decays
Belle, Belle II Collaborations, : +415
We report the first searches for charged-lepton-flavor violation in decays of ( and ) to a pair of charged leptons using 158 million decays collect…