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hep-ex2012★ 10 cited
Evidence for the Direct Two-Photon Transition from to
BESIII Collaboration, M. Ablikim, M. N. Achasov +354
The two-photon transition is studied in a sample of 106 million decays collected by the BESIII detector. The branching fraction is measured to be $(3.1\…
hep-ex2012★ 19 cited
Precision measurement of the branching fractions of J/psi -> pi+pi-pi0 and psi' -> pi+pi-pi0
BESIII Collaboration, M. Ablikim, M. N. Achasov +345
We study the decays of the J/psi and psi' mesons to pi+pi-pi0 using data samples at both resonances collected with the BES III detector in 2009. We measure the corresponding branch…