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Geant4 is a toolkit for the simulation of the passage of particles through matter.Its areas of application include high energy, nuclear and accelerator physics, as wellas studies in medical and space science.

For more information about how to use Geant4 and its application domains, please visitthe Geant4 website

There are three main reference papers for Geant4:

• Nuclear Instruments and Methods in Physics Research A 835 (2016) 186-225
• IEEE Transactions on Nuclear Science 53 No. 1 (2006) 270-278
• Nuclear Instruments and Methods in Physics Research A 506 (2003) 250-303

For detailed instructions on building and installing Geant4, including allsupported platforms and configuration options, please refer totheInstallation Guide.

Full documentation on Geant4, including installation, use of the toolkit in applications,physics lists, and physics model implementations, can be found on theUser Documentation Site.

If you have a question about, or issue using, Geant4, please post on ourUser Forumin the Category and Section relevent to your problem. The forum isfully searchableso it's possible your question may already have been answered.

If you think you have found a bug in Geant4, please open a ticket on ourBugzilla Tracker.

Please see the mainContribution Guide.