Overview of Particle and Heavy Ion Transport Code System PHITS Tatsuhiko Sato, Koji Niita, Norihiro Matsuda, Shintaro Hashimoto, Yosuke Iwamoto, Takuya Furuta, Shusaku Noda, Tatsuhiko Ogawa, Hiroshi Iwase, Hiroshi Nakashima et al. (5 more) Published online: 06 June 2014 DOI: 10.1051/snamc/201406018