http://www.suntimes.com/lifestyles/health/2299276,CST-NWS-muons21.article

 

Using Fermilab's Tevatron particle accelerator, an international team of physicists found that high-energy collisions between protons and anti-protons produced more pairs of subatomic particles called muons than anti-muons.

The 1 percent difference between the number of muons and anti-muons could help explain why matter is more dominant in the universe than antimatter, said Stefan Soldner-Rembold, a particle physicist and spokesman for the research team.

Personally, I'd be more interested in the reverse process: turning a muon (or even better, electrons and protons) into energy without using antimatter.

Merged (or fused, if you prefer)