Hi Tommu

Tommi Huhtamaki Wrote:
-------------------------------------------------------
> > What I'm curious about it why is it assumed
> that n
> > cannot have a negative value ? Is it that
> there
> > is then a specific reason why that defies
> sense ?
>
>
> If it was negative, the potential energy of the
> electron would be positive, so the force between
> the nucleus and the electron would not be
> attractive.


I've mentioned this to Bernard, but why do gluons only affect protons and neutrons, and not electrons ? Is it to do with mass ?