M. Endo, K. Hamaguchi, M. Ibe, T. Ishibashi, A. Ishikawa, M. Ishino, M. Ishitsuka, S. Kanemura, M. Kuriki, T. Mori, S. Moriyama, H. Nanjo, W. Ootani, and Y. Sato. ”Japan’s Strategy for Future Projects in High Energy Physics“,
arXiv:2203.13979 [hep-ex] (pdf). (also under EF0, RF0, CF0, AF0, UF0)