EPR homepage › Forums › what happens with EPR ? › EPR This topic has 0 replies, 1 voice, and was last updated 3 years, 9 months ago by Michiel_M. Viewing 1 post (of 1 total) Author Posts May 1, 2019 at 11:55 am #2284 Score: 0 Michiel_MParticipant When the photon has the right energy. It is absorbed by the system which enables it to jump to a higher energy state without changing the spin. The orientation of the magnetic moment changes relative towards the total spin. So the m value changes. 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