On Tue, Dec 22, 2015 at 10:25 AM, Bob Higgins <rj.bob.higg...@gmail.com>
wrote:

How close would the hydrogen nucleus have to get to the Ni nucleus to
> release 6 MeV in Coulombic repulsion?  It would be an interesting
> calculation.
>

This is the typical energy of a particle that is expelled from a nucleus.
That suggests that the hydrogen anion would have to attain nuclear
separations, e.g., ~ 1 fm.  In order to attain that kind of potential
energy, energy must be fed into the system in the form of kinetic energy.

The screening in the anion might decrease things a little, but since it is
360 degrees around the proton and a small solid angle is subtended by the
path between the anion and the Ni nucleus, I don't think you'd get anywhere
close to -2e worth.

Eric

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