1. Toyota Central Research & Development Laboratories, Inc., Yokomichi, Nagakute, Aichi 480-1192, Japan
2. Graduate School of Science, Osaka University, Machikaneyama, Toyonaka, Osaka 560-0043, Japan
3. Muon Science Laboratory, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
4. Muon Science Section, Materials and Life Science Division, J-PARC Center, Tokai, Ibaraki 319-1195, Japan
5. Advanced Science Research Center, Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan
6. CROSS Neutron Science and Technology Center, Tokai, Ibaraki 319-1106, Japan
7. College of Liberal Arts, International Christian University, Osawa, Mitaka, Tokyo 181-8585, Japan