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14 papers · 2 filters
Production of in
BES Collaboration, M. Ablikim
Using 14M events accumulated by BESII at the BEPC, a Covariant Helicity Amplitude Analysis is performed for . The mass spectrum,…
Direct measurement of the absolute branching fraction for and determination of
M. Ablikim
The absolute branching fraction for the decay is determined using singly tagged sample from the data collected around 3.773 G…
Measurements of psi(2S) decays to octet baryon-antibaryon pairs
The BES Collaboration, M. Ablikim
With a sample of 14 million psi(2S) events collected by the BESII detector at the Beijing Electron Positron Collider (BEPC), the decay channels psi(2S)->p p-bar, Lambda Lambda-bar,…
Improved measurement of decays into
BES Collaboration, M. AblikimJ
Using 14M events collected at BESII, the branching fraction of is measured to be , where the first error…
Measurement of χ_cJ--> K+K-K+K-
BES Collaboration, M. AblikimJ
Using 14M psi(2S) events taken with the BES-II detector, chi_cJ-->K+K-K+K- decays are studied. For the four-kaon final state, the branching fractions are B(chi_c0,1,2 -->K+K-K+K-)=…
About Detecting CP-Violating Processes in $J/ψ\to \KzKzb $ Decay
Hai-Bo Li, Mao-Zhi Yang
Questions about detecting CP-violating decay process of are discussed. Possible background and material regeneration effect are analyzed. The discus…