Antimatter atoms vs atoms with greater mass?

[Garbus]

I was just kinda wondering about this the other day and can't seem to find an answer on Google.

Basically I'm wondering what would happen if an atom of anti-hydrogen for example, came in contact with a normal matter atom of greater mass, say a gold atom. I'm figuring that the positron and antiproton from the anti-hydrogen would annihilate an electron and a proton from the gold atom, but what would happen to the rest of the gold atom? Would it be changed into a lighter element, or would the energy from the annihilation of the anti-hydrogen likely blast the atom apart?

 

[snorkack]

The better forum for this is the high energy, nuclear and particle physics one.
Annihilation of one proton/antiproton pair releases about 1880 MeV.
Binding energy of gold nucleus is under 1600 MeV.
It might blast the atom apart... if equally distributed. Will it be?
There might instead be a couple of pions escaping with several hundred MeV each, a few tens of nucleons carrying off several tens of MeV kinetic energy each... and 100+ staying together.

What is the usual outcome in practice?

 

[fresh_42]

The better forum for this is the high energy, nuclear and particle physics one.

Moved.