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Design and Construction of the BESIII Detector
The BESIII Collaboration
This paper will discuss the design and construction of BESIII, which is designed to study physics in the tau-charm energy region utilizing the new high luminosity BEPCII double rin…
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…
Searches for Lepton Flavor Violation in the Decays tau -> e gamma and tau -> mu gamma
The BABAR Collaboration, B. Aubert
Searches for lepton-flavor-violating decay of a tau lepton to a lighter mass lepton and a photon have been performed with the entire dataset of (963 +- 7) x 10^6 tau decays collect…
Observation and Polarization Measurement of B0 --> a1(1260)+ a1(1260)- Decay
The BABAR Collaboration, B. Aubert
We present measurements of the branching fraction B and the longitudinal polarization fraction fL for B0 -> a1(1260)+ a1(1260)- decays, with a1(1260)+/- -> π- π+ π+/-. The data sam…
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…
Search for the Rare Leptonic Decays \boldmath{\Blnu} ()
The BABAR Collaboration, B. Aubert
We have performed a search for the rare leptonic decays \Bp \to \ellp \nul (), using data collected at the \FourS resonance by the \babar\ detector at the \pep2 storage ring…
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…