If you could devise an experiment that would definitively prove or disprove the existence of God, but could not tell you if there was an afterlife or which reli

If you could devise an experiment that would definitively prove or disprove the existence of God, but could not tell you if there was an afterlife or which religion is correct, would you run it? Would you expect no one to want to? Would it have a profound effect on your life or the way you think if you did?