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Measurement of the asymmetry parameter for the decay
BES collaboration
Based on a sample of decays collected with the BESII detector at the BEPC, the decay parameter for is measured using abo…
Study of J/Psi decays into eta Kstar Kstar-bar
The BES Collaboration, M. Ablikim
We report the first observation of $\mPJpsi \to \mPeta\mPKst\mAPKst$ decay in a $\mPJpsi$ sample of 58 million events collected with the BESII detector. The branching fraction is d…
A Search for Invisible Decays of the Upsilon(1S)
The BABAR Collaboration, B. Aubert
We search for invisible decays of the Upsilon(1S) meson using a sample of 91.4 x 10^{6} Upsilon(3S) mesons collected at the BaBar/PEP-II B-factory. We select events containing the…
Partial wave analysis of J/psi to p pbar pi0
BES Collaboration
Using a sample of 58 million events collected with the BESII detector at the BEPC, more than 100,000 events are selected, and a detailed partial wave ana…
value measurements for annihilation at 2.60, 3.07 and 3.65 GeV
The BES Collaboration, M. Ablikim
Using a data sample with a total integrated luminosity of 10.0 pb collected at center-of-mass energies of 2.6, 3.07 and 3.65 GeV with BESII, cross sections for anni…
Measurement of the Branching Fraction for J/ψ-> p \bar{p}ηand p \bar{p} η^{'}
BES collaboration
Using 58 $\jpsi$ events collected with the Beijing Spectrometer (BESII) at the Beijing Electron Positron Collider (BEPC), the branching fractions of $\jpsi$ to $p\ba…