J-PARC SSO


31 March 2022, J-PARC PORTAL start!

[IMPORTANT] To J-PARC User Support Systems users

Registered account was transferred to J-PARC Portal automatically. Before login at first time, reset your password from [Password reissue] on navigation bar. See details.

[IMPORTANT] New user registration

Register a user account of J-PARC Portal from [user registration] on navigation bar. See details.


With the start of the J-PARC PORTAL, login pages of both User Support System and Publication Database have become integrated to common page.

To use User Support System and Publication Database, please log in from this page.