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hep-ex2008★ 21 cited
Observation of Upsilon(2S) -> eta Upsilon(1S) and search for related transitions
CLEO Collaboration, Q. He
We report the first observation of the transition Upsilon(2S) > eta Upsilon(1S), with branching fraction B=(2.1+0.7-0.6(stat.)+-0.3(syst.)) x 10^{-4} and statistical significance 5…
hep-ex2008★ 51 cited
Determination of the D0 -> K+pi- Relative Strong Phase Using Quantum-Correlated Measurements in e+e- -> D0 D0bar at CLEO
The CLEO Collaboration, D. M. Asner
We exploit the quantum coherence between pair-produced D0 and D0bar in psi(3770) decays to study charm mixing, which is characterized by the parameters x and y, and to make a first…