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TY - UNPB AU - Liu, Y.D. ED - Schaa, Volker RW ED - Huang, Wenhui ED - Yan, Xueqing ED - Tang, Chuanxiang ED - Li, Lu TI - The BEPCII commission and physical operation under high current and luminosity and its energy upgrade project J2 - presented at SAP2023, Xichang, China, 10-12 July 2023 CY - Xichang, China T2 - Symposium on Accelerator Physics T3 - 14 LA - english AB - The designed luminosity of BEPCII, 1 x 1033 cm⁻² s⁻¹, was first achieved in 2016. After continuous optimization and improvement in recent years, the physical run at 1 x 1033 cm⁻² s⁻¹ has been stable operation from January, 2023. Fist in this talk, the process for reaching 1 x 1033 cm⁻² s⁻¹, are introduced and then some beam dynamics phenomena on accelerator physics will be explained. Now for the particle physical demand on BEPCII¿the collision energy will need to be upgraded to 2.35GeV, and the project on energy upgrade have been carried on. This energy upgrade scheme will be presented in this talk. ER -