Home › Forums › Hyperfine course › electric quadrupole interaction › from toy model to quantum › Quadrupole contribution This topic has 0 replies, 1 voice, and was last updated 2 weeks, 5 days ago by Guillaume Smet. Viewing 1 post (of 1 total) Author Posts March 14, 2025 at 4:07 pm #6393 Guillaume SmetParticipant When the nucleus becomes smaller, the quadrupole becomes smaller and the energy does not go as far away from the E0 term. 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