/control/verbose 2
/run/verbose 2

# e+ 300MeV 
#/gun/particle e+
#/gun/energy 300 MeV
#/run/beamOn 1
#
# list the existing physics processes
/process/list
#
# switch off MultipleScattering
#/process/inactivate msc
#/run/beamOn 1
#
# switch on MultipleScattering
#/process/activate msc 
#
# change detector parameter
/N03/det/setAbsMat Aluminium
/N03/det/setGapMat Aerogel
/N03/det/setAbsThick 2. cm
/N03/det/setGapThick 5. cm
/N03/det/setNbOfLayers 30
/N03/det/setSizeYZ   1.5 m
/N03/det/update
#
/gun/particle gamma
/gun/energy 500 MeV
/N03/event/printModulo 1024
#/run/beamOn 1024
#/run/beamOn 4096
/run/beamOn 16384
#/run/beamOn 65536
exit