Learn more physics! Do (or can) anti-protons form nuclei and has
this ever been done. Does (or would) the strong nuclear force
hold the anti-protons together? - Mike Strobach (age 48) The
answer is yes. Anti-deuterons, which consist of an anti-proton
and an anti-neutron, were first observed in 1965 by a group from
Columbia University. See:
http://prl.aps.org/abstract/PRL/v14/i24/p1003_1 . More recently
both anti-helium3 have been observed. (published on 04/18/2011)
Follow-up on this answer.