The material presented in this paper is by the authors alone,and has not been reviewed by the BESIII Collaboration.However,we thank our colleagues for allowing us to make use of the BESIII software environment.This work was supported by the National Natural Science Foundation of China,under Grant Nos.U1732105,U1632106,11947415,and 12047569 and the Research Foundation for Advanced Talents of Nanjing Normal University,under Grant No.2014102XGQ0085.We also appreciate valuable discussions with Dr.Kai Zhu,Dr.Yuping Guo,and Prof.Changzheng Yuan.
Initial State Radiation(ISR)plays an important role in e+e−collision experiments such as the BESIII.To correct the ISR effects in measurements of hadronic cross-sections of e+e−annihilation,an iterative method that we...
We would like to thank Prof.Zhen Hu for fruitful discussions.This work was supported by the National Natural Science Foundation of China under Grant Nos.11575017,11761141009,11975076,and 11661141008;the National Key R&D Program of China under the contract No.2018YFA0403902;the CAS Center for Excellence in Particle Physics(CCEPP).
The three lowest-lying r states,ie,r(1S),T(2S),and r(35),composed of b pairs and below the BB threshold,provide a good platform for the researches of hadronic physics and physics beyond the Standard Model.They can be ...