geant321-doc 2005.05.09.dfsg-4ubuntu1 (i386 binary) in ubuntu dapper

 Geant simulates the passage of subatomic particles through matter, for
 instance, particle detectors. For maximum flexibility, Geant simulations
 are performed by linking Fortran code supplied by the user with the Geant
 libraries, then running the resulting executable.
 .
 This package includes some documentation about Geant.