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hep-ex2025
Observation of the decay at BESIII
Zhijun Li, Zhengyun You
In the decays of and , there are discrepancies between the theoretical calculations and the PDG experimental values, referred to as the charmonium QCD puzzle…
hep-ex2025
Search for dark sector at BESIII
Zhijun Li, Zhengyun You
BESIII experiment has collected a large data sample of charmonium, charm mesons, hyperons, and other light mesons. These data provide a unique opportunity to explore the dark secto…
hep-ex2025
Dark sector search at BESIII
Zhijun Li, Zhengyun You
The Standard Model has achieved significant success in particle physics; however, there are still some unresolved puzzles beyond it. This motivates the exploration of the dark sect…