\hypertarget{namespace_geant4_extra_particles}{\section{Geant4\-Extra\-Particles Namespace Reference}
\label{namespace_geant4_extra_particles}\index{Geant4\-Extra\-Particles@{Geant4\-Extra\-Particles}}
}


Physics\-Constructor to add additional particles to geant.  




\subsection{Detailed Description}
Physics\-Constructor to add additional particles to geant. When enabled this constructor will read a particle.\-tbl file and add all particles in it to the geant4 particle table. This can be used to let geant know about some B-\/baryons with non-\/zero lifetime for example. 