Particle Therapy Co-Operative Group

A non-profit organisation for those interested in proton, light ion and heavy charged particle radiotherapy

Registration, Login

Register as PTCOG Member -> Create an account.

Only PTCOG Members have access to all webpages.

International Journal of Particle Therapy (IJPT)

IJPT Volume 4, Issue 1 is now available online at:

IJPT Vol. 4, Issue 1


PTCOG Treatment Efficiency Workshop

Quality Assurance & Treatment Planning
December 4-6, Knoxville, TN, USA

Register now!


PTCOG 56 Conference Talks are now available!

The presentations of the PTCOG 56 Conference in Japan are now published on the PTCOG Website. You have to be registered and to login with username/password to have access to the talks of PTCOG 56.

Here is the link to programs and talks of past PTCOG Conferences


Please enter the email address for your account. A verification code will be sent to you. Once you have received the verification code, you will be able to choose a new password for your account.