https://indico.ihep.ac.cn//event/8183/

Shan_Gu introduced precise measurement of e+e-→π+π-J/ψ Cross Section. She answered Xin’s question about what the key feature of this “hadrocharmonium” state? and Ryuta’s question about whether use relationship amplitude.She also gave a review on measuring the cross sections on BESIII.

Xin told us our work goal and what we should do every day and every month.