# 2000 thermal neutrons into a 3 m cube of liquid argon.
/control/verbose 0
/run/verbose 0
/testhadr/det/setMat G4_lAr
/testhadr/det/setSize 3 m
/process/had/particle_hp/skip_missing_isotopes true
/run/initialize
/gun/particle neutron
/gun/energy 25 meV
/run/beamOn 2000