Schedule 1 10:30 AM - 12:00 PM [XOPT-P-29] Development of high-quality μ-channel-cut crystal monochromator for reflection self-seeding of hard X-ray free-electron laser *Shotaro Matsumura1, Takashi Hirano1, Yuki Morioka1, Yasuhisa Sano1, Taito Osaka1,2, Ichiro Inoue2, Satoshi Matsuyama1, Makina Yabashi2, Kazuto Yamauchi1 (1. Osaka University, 2. RIKEN SPring-8 Center)