The GM unit, named after Maria Goeppert Mayer, is a unit used in nuclear physics. It is defined as the energy equivalent of the mass of one nucleon, which is the common name for a proton or a neutron. The GM unit is approximately equal to 938.272 million electronvolts (MeV).
Uncovering the Genius of Maria Goeppert Mayer: A Quiz on the Trailblazing Theoretical Physicist