SPring-8 LEPS2 束线：一种通过激光康普顿散射产生多 GeV 光子束的装置
加速器物理
2022-05-04 v1 核实验
仪器与探测器
摘要
我们在 8 GeV 电子储存环 SPring-8 上构建了一台新的激光康普顿散射装置，称为 LEPS2 束线。该装置提供标记能量范围为 1.3–2.4 GeV 的线偏振光子束。得益于低发射度储存环电子的小发散角，标记光子束的尺度（sigma）即使在传播约 130 m 到达独立于储存环建筑并容纳大型探测器系统的实验楼后，仍被抑制到约 4 mm。该束线采用最多四束高功率激光同时注入，并将长光子束路径的透射率提高至约 77%，从而设计为获得高于 SPring-8 首条激光康普顿散射束线的光子束强度。新束线已投入运行用于强子光生实验。
引用
@article{arxiv.2112.07832,
title = {SPring-8 LEPS2 beamline: A facility to produce a multi-GeV photon beam via laser Compton scattering},
author = {N. Muramatsu and M. Yosoi and T. Yorita and Y. Ohashi and J. K. Ahn and S. Ajimura and Y. Asano and W. C. Chang and J. Y. Chen and S. Date and T. Gogami and H. Hamano and T. Hashimoto and T. Hiraiwa and T. Hotta and T. Ishikawa and Y. Kasamatsu and H. Katsuragawa and R. Kobayakawa and H. Kohri and S. Masumoto and Y. Matsumura and M. Miyabe and K. Mizutani and Y. Morino and T. Nakano and T. Nam and M. Niiyama and Y. Nozawa and H. Ohkuma and H. Ohnishi and T. Ohta and M. Oishi and K. Ozawa and S. Y. Ryu and Y. Sada and H. Saito and T. Shibukawa and H. Shimizu and R. Shirai and M. Shoji and M. Sumihama and S. Suzuki and S. Tanaka and Y. Taniuchi and A. O. Tokiyasu and N. Tomida and Y. Tsuchikawa and K. Watanabe and C. J. Yoon and C. Yoshida},
journal= {arXiv preprint arXiv:2112.07832},
year = {2022}
}