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Introduction of comprehensive benchmark calculations of the latest version of the PHITS code

Iwamoto, Yosuke; Sato, Tatsuhiko; Hashimoto, Shintaro; Ogawa, Tatsuhiko; Furuta, Takuya; Abe, Shinichiro; Kai, Takeshi; Matsuda, Norihiro; Hosoyamada, Ryuji*; Niita, Koji*

Particles and Heavy Ions Transport code System (PHITS) is used for various purposes such as accelerator shielding design, medical physics calculations, and so on. In this study, we performed benchmark calculations for particle production cross sections (47 cases), neutron transport (6 cases) and electro-magnetic cascade (12 cases). For calculations of particle production cross sections, PHITS reproduced the experimental data for high-energy particle incident reactions with energies of above 100 MeV. On the other hands, PHITS did not reproduce the data for low-energy incident reactions due to outside of scope for the intra nuclear cascade model INCL4. We will incorporate the evaluated nuclear data library JENDL4.0/HE with PHITS to solve the problem. For calculations of electro-magnetic cascade, PHITS reproduced the data well. As a result, we validated the accuracy of PHITS calculations for various applied area and obtained guidelines for effective improvement of PHITS.

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