The GPS can be used to generate events with multiple, different particle types in the same event.
The macro below generates a muon and a pion within the same event.
| No Format |
|---|
/gps/verbose 2 # muon /gps/source/intensity 1.0 /gps/particle mu- /gps/position 0 0 0 /gps/direction 0 1 0 /gps/energy 10 GeV # pion /gps/source/add 1. /gps/particle pi- /gps/position 0 0 0 /gps/direction .25 .75 0 /gps/energy 10 GeV /gps/source/list /gps/source/multiplevertex true /run/beamOn 1 |
The multiplevertex command tells the GPS to cycle through the sources and generate a vertex for each one.