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Direct Measurement of the Pseudoscalar Decay Constant fD+
BES Collaboration
The absolute branching fraction of has been directly measured by an analysis of a data sample of about 33 collected around GeV with…
The pole in
BES Collaboration
Using a sample of 58 million events recorded in the BESII detector, the decay is studied. There are conspicuous and signals. At lo…
Observation of a threshold enhancement in the p \bar{Lambda} invariant mass spectrum
BES Collaboration, M. Ablikim
An enhancement near the m_p + M_Λ mass threshold is observed in the combined p \barΛ and \bar{p}Λinvariant mass spectrum from J/ψ--> p K^- \bar{Lambda} + c.c. decays. It can be fit…
A Study of J/psi-->gamma gamma V(rho,phi) Decays with the BESII Detector
BES Collaboration
Using a sample of events collected with the BESII detector, radiative decays , where or , are studied. A resonance around 1420 MeV/c (…
Measurements of J/psi --> p \bar{p}
J. Z. Bai
The process J/ψ--> p \bar{p} is studied using 57.7 X 10^6 J/ψevents collected with the BESII detector at the Beijing Electron Positron Collider. The branching ratio is determined t…