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Introduction To BESIII Experiment

BESIII at the BEPCII accelerator is a major upgrade of BESII at the BEPC for the studies of hadron physics and τ-charm physics with the highest accuracy achieved until now. The peak luminosity of the double-ring e+e- collider, BEPCII, is 10^33cm^-2s^-1 at center-of-mass energy 3.78 GeV. The cylindrical core of the BESIII detector consists of a helium-based multilayer drift chamber (MDC), a plastic scintillator time-of-flight system (TOF), and a CsI(Tl) electromagnetic calorimeter (EMC), which are all enclosed in a superconducting solenoidal magnet providing a... More


BESIII Observes New Leptonic Decay Mode for D Meson
The BESIII collaboration has reported the world's first observation of the decay D+ → τ+ν in a newly published Physical Review Letters paper that has been highlighted by the journal as an "Editors'...
BESIII Accumulates 10 Billion J/ψ Events
The BESIII detector finished accumulating a sample of 10 billion J/ψ events together with a continuum data sample on Feb. 11. The 10 billion J/ψ-event sample accumulated at BESIII is the world's...
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