run_pi-_4GeV.mac

/process/em/verbose 0
/process/had/verbose 0
/run/initialize
/run/printProgress 1000
#/run/verbose 0
#/event/verbose 0 
#/tracking/verbose 0 
#
#/gps/pos/radius 6.5 mm
/gun/particle pi-
/gun/energy 4 GeV
#/gun/position 0 0 -1.0 m
#
/run/beamOn 100000
#