/control/verbose 2 /run/verbose 2 /tracking/verbose 2 # /testhadr/det/setMat G4_Co /testhadr/det/setThickness 1 cm /testhadr/det/setSizeYZ 1 cm # /run/initialize # /process/list # /gun/particle neutron /gun/energy 25 meV # /control/execute vis.mac /tracking/verbose 2 # /run/beamOn 1