Mirror Nuclei
mirror nuclei
[′mir·ər ′nü·klē‚ī]Mirror Nuclei
a pair of nuclei that differ in that the number of neutrons in one of them is equal to the number of protons in the other, although the total number of neutrons and protons is equal. Examples of mirror nuclei are the nucleus of tritium JH, which contains one proton and two neutrons, and the nucleus He, which contains two protons and one neutron. Other examples are