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Observation of J/psi --> 3 gamma
CLEO Collaboration, G. S. Adams
We report the first observation of the decay J/psi --> 3 gamma. The signal has a statistical significance of 6 sigma and corresponds to a branching fraction of B(J/psi --> 3 gamma)…
Measurement of the eta'-meson mass using J/psi--> gamma eta'
CLEO Collaboration, J. Libby
We measure the mass of the eta' meson using psi(2S)--> pi+ pi- J/psi, J/psi--> gamma eta' events acquired with the CLEO-c detector operating at the CESR e+e- collider. Using three…
J/psi and psi(2S) Radiative Transitions to eta_c
CLEO Collaboration, R. E. Mitchell
Using 24.5 million psi(2S) decays collected with the CLEO-c detector at CESR we present the most precise measurements of magnetic dipole transitions in the charmonium system. We me…
First Observation of the Decay D_s^+ to proton anti-neutron
CLEO Collaboration, S. B. Athar
Using e^+e^- -> D_s^*+ D_s^- data collected near the peak D_s production energy, E_cm=4170 MeV, with the CLEO-c detector, we present the first observation of the decay D_s^+ -> pro…