Last Update : 2023/10/18
How to obtain PHITS (Latest version is PHITS3.33)
The procedure for obtaining PHITS depends on the country where your affiliation is located, regardless of your nationality.
If you belong to a Japanese institute, please read Japanese instruction.
If you belong to an institute in the pre-approved countries, please read "From OECD/NEA Data Bank" section.
For other cases, please read "From JAEA" section.
List of pre-approved countries:
Argentina, Austria, Belgium, Bulgaria, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Italy, Netherlands, Norway, Poland, Portugal, Republic of Korea, Spain, Sweden, Switzerland, United Kingdom.
These countries satisfies two conditions:
1. OECD/NEA Data Bank participating country (see here in detail)
2. Group A country in the Japanese export control rule (see here in detail)
From OECD/NEA Data Bank (Recommended)
If you belong to an institute in the pre-approved countries, you can obtain the latest version of PHITS anytime you need through OECD/NEA GitLab. Please read instruction and send your request through your institute. The PHITS page in OECD/NEA databank is here.
From JAEA
If your country is NOT on the pre-approved countries list, you can apply for a PHITS license from JAEA using the form below.
PHITS license application form
The JAEA International Office will review your application to confirm that the code will be used for peaceful purposes. Your request may not be approved if you work at an institution involved in weapon development, or if you live in a non-NPT member state (a country that has not signed the Treaty on the Non-Proliferation of Nuclear Weapons) or a state of concern. If approved, you'll receive the PHITS package in one of two ways:
There is no fee for requesting PHITS, but please note that the approval process takes about a month.
- By email: We'll send a download link to applicants who provide a non-free email address.
- By DVD: We'll ship a DVD of the PHITS package to applicants who use a free email address, such as @gmail.com.
How to update PHITS
Update information is announced via PHITS mailing list. If you are currently using an older version of PHITS and would like to update it, please select "upgrade patch request" in contact page and send the request with your information. If you obtained PHITS through OECD/NEA GitLab, you can update PHITS anytime you need.