PHITS Homepage

2023/04/19: Release of PHITS3.34

PHITS version 3.34 have been released! If you are a registered PHITS user and would like to continue to use PHITS, please select "PHITS upgrade patch request" in contact page, and send your information to us. If you have not registered to PHITS user yet, please obtain the license of PHITS by referring How to get page.

The features of the new version of PHITS are written in update log and this pdf file.

2024/02/08: Announcement of PHITS in-person tutorial in OECD-NEA, Paris, France

We are glad to announce that OECD/NEA will host in-person PHITS tutorial at OECD-NEA Paris office, in May 13-17, 2024. The course details are as follows

/Date : 13-17, May, 2024
/Venue : OECD-NEA Paris office, France
/Registration deadline: Apr. 5th, 2024
/Tutors : Tatsuhiko Ogawa, Yuho Hirata (JAEA)
/Registration Fee : Free
/Language: English
/Course contents: Basic-Advanced course
/Entry eligibility requirement : Open to everyone who has PHITS license
Please see Announcement of PHITS in-person tutorial in OECD-NEA for more details.

To register for the tutorial, please select "PHITS tutorial registration" and fill out the form here.
We are looking forward to seeing you in the tutorial!

2024/01/26: Announcement of PHITS in-person tutorial in Dalat, Vietnam

We are glad to announce that we will organize an in-person PHITS tutorial at Dalat Nuclear Research Institute, VINATOM, Vietnam in March 11-15th, 2024. The course details are as follows

/Date : 11-15th, March 2024
/Venue : Dalat Nuclear Research Institute, VINATOM, Vietnam
/Registration deadline: Feb 9th, 2024 for new PHITS users, or March 9th, 2024 for registered PHITS users
/Tutors : Takuya Furuta, Yuho Hirata (JAEA)
/Registration Fee : Free
/Language: English
/Course contents: Basic course
/Entry eligibility requirement : Open to everyone who has PHITS license
Please see Announcement of PHITS in-person tutorial in Dalat, Vietnam for more details.

To register for the tutorial, please select "PHITS tutorial registration" and fill out the form here.
We are looking forward to seeing you in the tutorial!

2024/01/26: Announcement of PHITS tutorial in Purwokerto, Indonesia

We are glad to announce that we will organize in-person PHITS tutorials at Jenderal Soedirman University (UNSOED), Purwokerto, Indonesia in June 24-27, 2024. The course details are as follows

/Date : 24th-27th June. 2024
/Venue : Jenderal Soedirman University (UNSOED), Purwokerto, Indonesia
/Registration deadline: May 23, 2024 for new PHITS users, or June 10, 2024 for registered PHITS users
/Tutors : Tatsuhiko Sato (JAEA)
/Registration Fee : Free (For lunch and coffee break during 5 days will be charged IDR. 750.000 per participant)
/Language: English
/Course contents: Basic course
/Entry eligibility requirement : Open to everyone who has PHITS license
Please see Announcement of the PHITS tutorial in Purwokerto, Indonesia for more details.

To register for the tutorial, please select "PHITS tutorial registration" and fill out the form here.
We are looking forward to seeing you in the tutorial!

2024/01/10: Announcement of PHITS tutorial in Madrid, Spain

We are glad to announce that we will organize in-person PHITS tutorials at Universidad Politécnica de Madrid, Spain in March 12-15, 2024. The course details are as follows

/Date : 12th-15th Mar. 2024
/Venue : Universidad Politécnica de Madrid (UPM), Spain
/Registration deadline: 19th Feb. 2024
/Tutors : Tatsuhiko Sato (JAEA), Hiroshi Iwase (KEK)
/Registration Fee : Free
/Language: English
/Course contents: Beginner and intermediate courses in parallel
/Entry eligibility requirement : Open to everyone who has PHITS license
Please see Announcement of the PHITS tutorial in Madrid, Spain for more details.

To register for the tutorial, please visit the registration page (Outside PHITS website).
We are looking forward to seeing you in the tutorial!

2024/01/10: Announcement of 2024 PHITS online advanced tutorial

We are pleased to announce that the forth PHITS online advanced tutorial will be held.
The course details are as follows

/Date : 18th-22nd Nov. 2024. UTC 11:00-15:00,
/Registration deadline for new users: 17th Oct. 2024
/Registration deadline for current users: 11th Nov. 2024
/Tutors : (JAEA) Tatsuhiko Ogawa, Tatsuhiko Sato, Takuya Furuta, Shintaro Hashimoto, Shinichiro Abe, Yuho Hirata, Takuya Sekikawa (Kyushu University) Nobuhiro Shigyo, (Western Norway University of Applied Sciences) Hunter N. Ratliff, (Hokkaido University) Yusuke Matsuya
/Registration Fee : Free
/Language: English
/Entry eligibility requirement : None
Please see Announcement of the PHITS online Tutorial for more details.
To register for the tutorial, please select "PHITS tutorial registration" and fill out the form here. If you would like to take both advanced and beginners' tutorial, please send the form twice.
We are looking forward to seeing you in the tutorial!

2024/01/10: Announcement of 2024 PHITS online tutorial for beginners

We are pleased to announce that the sixth PHITS online tutorial for beginners will be held.
The course details are as follows

/Date : 10th-14th Jun. 2024. UTC 11:00-14:00,
/Registration deadline for new users: 9th May 2024
/Registration deadline for current users: 3rd Jun. 2024
/Tutors : (JAEA) Tatsuhiko Ogawa, Tatsuhiko Sato, Takuya Furuta, Shintaro Hashimoto, Shinichiro Abe, Yuho Hirata, Takuya Sekikawa (Kyushu University) Nobuhiro Shigyo, (Western Norway University of Applied Sciences) Hunter N. Ratliff, (Hokkaido University) Yusuke Matsuya
/Registration Fee : Free
/Language: English
/Entry eligibility requirement : None
Please see Announcement of the PHITS online Tutorial for more details.
To register for the tutorial, please select "PHITS tutorial registration" and fill out the form here. If you would like to take both advanced and beginners' tutorial, please send the form twice.
We are looking forward to seeing you in the tutorial!

2023/04/19: Release of PHITS3.31

PHITS version 3.31 have been released! If you are a registered PHITS user and would like to continue to use PHITS, please select "PHITS upgrade patch request" in contact page, and send your information to us. If you have not registered to PHITS user yet, please obtain the license of PHITS by referring How to get page.

The features of the new version of PHITS are written in update log and this pdf file.

2022/09/14: PHITS tutorial video now available on YouTube!

We recently created tutorial videos to learn how to use PHITS.
These are now available on YouTube. Please check the following website:

Playlist of the PHITS tutorial video

2021/06/15: PHITS forum for sharing questions

We just launched PHITS forum in the Kyushu University webserver.
https://meteor.nucl.kyushu-u.ac.jp/phitsforum/?locale=en.

Please write your questions in the "questions" category in the forum. In addition, we really appreciate if you could answer other users' questions because the purpose of launching this forum is to encourage the inter-communications between users. So, answers from developer team may be delayed. Of course, we still welcome your questions directly sent to us via the PHITS official website (https://phits.jaea.go.jp/contact/edit/en). However, when we receive a general question that might be useful for other users, we may ask you to forward the question to the forum because we would like to share the information as much as possible.

The following are some important notices for the use of the forum.

You have to create an account to write or answer questions in the forum.
Please select "questions" category and make a new topic for writing a new question.
You can upload input and output files of PHITS, and we recommend to use zip files if you want to upload more than 4 files.
Please add "optional tags" to your posts to make them as descriptive as possible. While the post categories are preset, you can enter custom optional tags.
In the error report of PHITS, please specify the version of PHITS, your machine environment (Windows, Mac, Linux), parallelization status (OpenMP, MPI, hybrid, or single).
We look forward to having many discussions on the forum.

2021/04/05: PHITS promotion video released

We created a promotional video for PHITS.
Please access here on YouTube.

2019/04/09: Release of PHITS version 3.10 and introduction of new export control policy

PHITS version 3.10 was released! The features of the new version of PHITS are written in update log. You can also find some important new features in this pdf file.

The export control polocy of PHITS was also changed. You can obtain the full package or update patch of PHITS 3.10 by submitting our new application form. Please see how to get page in more detail.

Log of PHITS information before Aug. 2016. here