Masashi Aiko
   KEK, High Energy Accelerator Research Organization, Tsukuba, Ibaraki 300-3261, Japan
   maiko@post.kek.jp

Shinya Kanemura
   Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
   kanemu@phys.sci.osaka-u.ac.jp

Mariko Kikuchi
   College of Engineering, Nihon University, Koriyama, Fukushima 963-1165, Japan
   kikuchi.mariko13@nihon-u.ac.jp

Kodai Sakurai
   Institute of Theoretical Physics, Faculty of Physics, University of Warsaw, ul. Pasteura 5, PL-02-093 Warsaw, Poland
   Department of Physics, Tohoku University, Sendai, Miyagi 980-8578, Japan
   kodai.sakurai.e3@tohoku.ac.jp

Kei Yagyu
   Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
   yagyu@het.phys.sci.osaka-u.ac.jp