Speaker
Mengyu Su
(Institute of High Energy Physics, Chinese Academy of Sciences, University of Chinese Academy of Sciences)
Description
As a key R&D project for polarized lepton beams at future colliders, a laser Compton polarimeter has been designed for the electron storage ring of BEPCII, utilizing the X-ray beamline and experimental hutch from a dismantled wiggler source. As of July 2025, we have preliminary completed laser transmission, focusing, circular polarization adjustment, and observed laser and electron beam collision signals on beam less monitors. However, laser focusing and detector still need to be improved, the potential modifications in the near future also be discussed in this article.
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Author
Mengyu Su
(Institute of High Energy Physics, Chinese Academy of Sciences, University of Chinese Academy of Sciences)
Co-authors
Zhe Duan
(Institute of High Energy Physics, Chinese Academy of Sciences)
Aurélien Martens
(Université Paris-Saclay, CNRS/IN2P3, IJCLab)
Chenghui Yu
(Institute of High Energy Physics, Chinese Academy of Sciences)
Daheng Ji
(Institute of High Energy Physics, Chinese Academy of Sciences)
Dechong Zhu
(Institute of High Energy Physics, Chinese Academy of Sciences)
Ge Lei
(Institute of High Energy Physics, Chinese Academy of Sciences)
Guangyi Tang
(Institute of High Energy Physics, Chinese Academy of Sciences)
Jianli Wang
(Institute of High Energy Physics, Chinese Academy of Sciences)
Ningchuang Zhou
(Institute of High Energy Physics, Chinese Academy of Sciences)
Qi Li
(Institute of High Energy Physics, Chinese Academy of Sciences)
Qingfu Han
(Institute of High Energy Physics, Chinese Academy of Sciences)
Wan Zhang
(Institute of High Energy Physics, Chinese Academy of Sciences)
Xianjing Sun
(Institute of High Energy Physics, Chinese Academy of Sciences)
Yanchun Li
(Institute of High Energy Physics, Chinese Academy of Sciences)
Zhijun Liang
(Institute of High Energy Physics, Chinese Academy of Sciences)
Yuelei Zhang
(Institute of High Energy Physics, Chinese Academy of Sciences)
