Kento Asai (Institute for Cosmic Ray Research (ICRR), The University of Tokyo, Kashiwa, Chiba, 277–8582, Japan, Department of Physics, Faculty of Engineering Science, Yokohama National University, Yokohama, 240–8501, Japan); Sho Iwamoto (Institute for Theoretical Physics, ELTE Eötvös Loránd University, Budapest, H-1117, Hungary, Department of Physics, National Sun Yat-sen University, Kaohsiung, 804351, Taiwan, Center for Theoretical and Computational Physics, National Sun Yat-sen University, Kaohsiung, 804351, Taiwan); Maxim Perelstein (Department of Physics, LEPP, Cornell University, Ithaca, NY, 14853, USA); Yasuhito Sakaki (Radiation Science Center, High Energy Accelerator Research Organization (KEK), Ibaraki, 305–0801, Japan, The Graduate University for Advanced Studies (SOKENDAI), Hayama, 240–0193, Japan); Daiki Ueda (Center for High Energy Physics, Peking University, Beijing, 100871, China, Theory Center, High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki, 305-0801, Japan)
Sub-GeV dark matter search at ILC beam dumps