Home › Forums › Hyperfine course › magnetic hyperfine interaction › in free atoms – task 1 › Orientation J task 1 This topic has 0 replies, 1 voice, and was last updated 1 year, 9 months ago by Iulia ZAI. Viewing 1 post (of 1 total) Author Posts March 13, 2023 at 11:07 pm #4278 Iulia ZAIParticipant J=0 when L and S are parallel and pointing in opposite direction J=1 when L and S perpendicular to each other J=2 when L and S are parallel and pointing in same direction 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