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Ratliff, H.; McGirl, N. A.*; Beach, M. R.*; Castellanos, L. A.*; Clowdsley, M. S.*; Heilbronn, L. H.*; LaTessa, C.*; Norbury, J. W.*; Rusek, A.*; Sivertz, M.*; et al.
Nuclear Instruments and Methods in Physics Research B, 542, p.87 - 94, 2023/09
Sato, Tatsuhiko; Iwamoto, Yosuke; Hashimoto, Shintaro; Ogawa, Tatsuhiko; Furuta, Takuya; Abe, Shinichiro; Kai, Takeshi; Matsuya, Yusuke; Matsuda, Norihiro; Hirata, Yuho; et al.
Journal of Nuclear Science and Technology, 9 Pages, 2023/00
The Particle and Heavy Ion Transport code System (PHITS) is a general-purpose Monte Carlo radiation transport code that can simulate the behavior of most particle species with energies up to 1 TeV (per nucleon for ions). Its new version, PHITS3.31, was recently developed and released to the public. In the new version, the compatibility with high-energy nuclear data libraries and the algorithm of the track-structure modes have been improved. In this paper, we summarize the upgraded features of PHITS3.31 with respect to the physics models, utility functions, and application software introduced since the release of PHITS3.02 in 2017.
Ratliff, H.; Matsuda, Norihiro; Abe, Shinichiro; Miura, Takamitsu*; Furuta, Takuya; Iwamoto, Yosuke; Sato, Tatsuhiko
Nuclear Instruments and Methods in Physics Research B, 484, p.29 - 41, 2020/12
Times Cited Count:8 Percentile:82.73(Instruments & Instrumentation)Ratliff, H.; Konno, Chikara; Matsuda, Norihiro; Sato, Tatsuhiko
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Sato, Tatsuhiko; Iwamoto, Yosuke; Hashimoto, Shintaro; Ogawa, Tatsuhiko; Furuta, Takuya; Abe, Shinichiro; Kai, Takeshi; Tsai, P.-E.; Matsuda, Norihiro; Matsuya, Yusuke; et al.
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WPHITS is a general purpose Monte Carlo particle transport simulation code of which development is led by the Japan Atomic Energy Agency (JAEA). It can deal with the transport of all types of particle species over wide energy ranges, using several nuclear reaction models and nuclear data libraries. PHITS has been used for various research fields such as accelerator design, radiotherapy, radiation protection, particle and cosmic-ray physics, and environmental sciences. PHITS can be installed and executed on Windows, Mac, and Linux, and both MPI and OpenMP parallel versions are available. The details of the features of PHITS will be presented at the meeting.
Ratliff, H.; McGirl, N.*; Castellanos, L.*; Wang, H.-C.*; Srikrishna, A.*; Heilbronn, L.*
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Ratliff, H.
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This presentation serves as an introduction to using DCHAIN with PHITS for modeling accelerator activation problems. The core methodology behind DCHAIN-PHITS, in terms of the mathematic principles and how the codes are connected on a practical level, is discussed followed by highlighting what decisions can be made (what options are available) when assembling a problem and assessing its output. This includes choices such as geometry type (region/xyz/tetrahedral mesh), designation of irradiation schedule and output times, determining what data libraries to use, and more. The contents of the most important output files is described along with an example demonstrating use of DCHAIN-PHITS in an accelerator-like environment.
Ratliff, H.
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DCHAIN-PHITS is the activation and decay code that is coupled to and distributed with the PHITS transport code. Prior to 2019, DCHAIN had been initially coupled to PHITS but had otherwise not seen substantial feature updates in nearly two decades, and much of its nuclear data libraries were quite dated too. This has since changed. All of DCHAIN's nuclear data libraries are now using the most modern data available, and a variety of new features have been added to DCHAIN to further strengthen its coupling to PHITS, allow for extraction and quick visualization of more information, and ease follow-up PHITS calculations utilizing the decay radiation and transmuted material compositions calculated by DCHAIN. A future update will restore DCHAIN's ability to perform calculations with neutron-induced and spontaneous fission reactions, which was disabled after an update in 2014, and is the final step in making DCHAIN capable of handling all major nuclide-producing reaction mechanisms.
Ogawa, Tatsuhiko; Iwamoto, Yosuke; Hashimoto, Shintaro; Sato, Tatsuhiko; Matsuda, Norihiro; Kunieda, Satoshi; elik, Y.*; Furutachi, Naoya*; Niita, Koji*; Furuta, Takuya; et al.
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PHITS is a general-purpose radiation transport simulation code that has been developed mainly by JAEA in cooperation with domestic and foreign research institutes. We released the latest version, PHITS 3.27, in March 2022. Since SATIF-14 held in 3 years ago, following updates were implemented (1)Extension of the cross section data reading module, (2)Modernization of burn-up calculation code DCHAIN, (3)Functionality to calculate the dependence of the result on the input parameters, (4)Interactive 3D geometry viewer,PHIG-3D, (5)Cosmic ray source function, (6)Track-structure calculation models, which calculate the atomic-scale reactions of charged particles on event-by-event basis, for electrons, positions, and heavy ions, (7)GUI-version RT-PHITS development, (8)random number generation by Xor-shift64 algorithm, (9)User-defined stopping power reading module, (10)EXFOR data reading module, (11)Photon-induced mu-mu pair production model. In addition, a bench, ark study conducted by Iwamoto et al, is also presented to explain the importance of the new cross section reading module.