From PBTWiki

Geant4 Tutorials

A number of tutorials are available to help you get started running your own simulations in Geant4. It is recommended that novice users make use of these simulations as templates to construct their own.

There are two sets of tutorials available to help you getting started in running simulations with Geant4:

• The Basic Tutorials introduce the rudiments of Geant4 for proton therapy simulations: these are described in more detail on the Basic Tutorials page.
• The Advanced Tutorials describe more sophisticated proton therapy simulations in Geant4: more information can be found on the Advanced Tutorials page.