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Overview of the PHITS code and its application to medical physics
Author(s) -
Tatsuhiko Sato,
Koji Niita,
Norihiro Matsuda,
Shintaro Hashimoto,
Yosuke Iwamoto,
Shusaku Noda,
Hiroshi Iwase,
Hiroshi Nakashima,
Tokio Fukahori,
Satoshi Chiba,
Lembit Sihver
Publication year - 2014
Publication title -
progress in nuclear science and technology
Language(s) - English
Resource type - Journals
ISSN - 2185-4823
DOI - 10.15669/pnst.4.879
Subject(s) - code (set theory) , monte carlo method , heavy ion , computer science , particle (ecology) , radiation transport , nuclear engineering , physics , event (particle physics) , generator (circuit theory) , function (biology) , statistical physics , medical physics , simulation , ion , mathematics , programming language , engineering , statistics , biology , set (abstract data type) , ecology , power (physics) , quantum mechanics , evolutionary biology
Particle and Heavy Ion Transport code System, PHITS, is a general purpose three-dimensional Monte Carlo particle transport simulation code developed through collaboration with several institutes in Japan and Europe. To apply PHITS to medical physics, two special functions were implemented in the code: an event generator mode and a microdosimetric tally function. Utilizing these functions, a new relative-biological-effectiveness -weighted dose estimation method for charged-particle therapy was established on the basis of the double-stochastic microdosimetric kinetic model. Owing to these features, PHITS has been used for various medical applications, such as patient dose estimation for radiotherapy and computed tomography examination.

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