Minimum energy homepage › Forums › the double ring › Minimum energy This topic has 0 replies, 1 voice, and was last updated 3 years, 1 month ago by q73240dp. Viewing 1 post (of 1 total) Author Posts February 19, 2020 at 2:13 pm #2621 Score: 0 q73240dpParticipant a>0: When dumbbell is parallel with z axis. a=0: The quadrupole correction will be zero, so the orientation is irrelevant. a<0: When dumbbell is in the x-y plane. 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