Institution: | 1. J-PARC Center, Tokai-mura, Ibaraki, Japan;2. Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan;3. Japan Atomic Energy Agency (JAEA), Tokai-mura, Ibaraki, Japan;4. CROSS-Tokai, Center for Neutron Research and Development, Tsukuba, Ibaraki, Japan |