Home › Forums › Hyperfine course › magnetic hyperfine interaction › in free atoms – task 1 › Orientations of L and S This topic has 0 replies, 1 voice, and was last updated 1 year, 9 months ago by Ferdinando Muraca. Viewing 1 post (of 1 total) Author Posts March 9, 2023 at 6:39 pm #4173 Ferdinando MuracaParticipant J = 0 => L = +/- S => L and S antiparallel J = 1 => L or S = 1 or 0 => L and S perpendicular J = 2 => L = S = 1 => L and S parallel 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