Home › Forums › Hyperfine course › magnetic hyperfine interaction › in free atoms – task 1 › L, S orientation This topic has 0 replies, 1 voice, and was last updated 4 days, 21 hours ago by fedra_moeykens. Viewing 1 post (of 1 total) Author Posts March 4, 2025 at 6:51 pm #6254 fedra_moeykensParticipant If L and S parallel -> J=2 , if perpendicular J= 1, if opposing J=0 Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In