Home › Forums › Hyperfine course › electric quadrupole interaction › from toy model to quantum › Quadrupole moment This topic has 0 replies, 1 voice, and was last updated 1 year, 9 months ago by Jef Morlion. Viewing 1 post (of 1 total) Author Posts March 20, 2023 at 3:12 pm #4371 Jef MorlionParticipant The size of the quadrupole moment contribution becomes significantly smaller (2 orders of magnitude) as the size of the nucleus decreases. 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