This kind of comes out of
http://www.thescienceforum.com/viewt...23939&start=15
In a strong gravitational field, protons weigh more than electrons because they have more mass, but they experience exactly the same amount of electrostatic repulsion as electrons do, because they have exactly the same charge.
So, I'm thinking that, in the last stages of collapse, as the gravitational field is getting stronger and stronger, and mass is getting thrown out to prepare for the transition, wouldn't there be more electrons than protons in that ejection?