path: root/run1.mac

/gps/particle mu-
/gps/energy 8 GeV

/gps/pos/type Plane
/gps/pos/shape Circle
/gps/pos/centre 60 60 -25 cm
/gps/pos/radius 0.5 cm
/gps/ang/type iso

/gps/direction 1 0 0
/gps/position -2 0 0 m
/run/beamOn 1