Comment by SiempreViernes

They cut production time to a given number of anti-atoms from 10 weeks to 7 hours by improving the electron cooling, just from this fact it is a bit rich to insist the anti-proton generation is the limiting factor.

Going to the paper itself we can observe that the CERN Antiproton Decelerator can deliver 10^7 antiprotons every 2 minutes. Remembering it previously took 10 weeks to capture 10^4 anti-atoms, I hope you forgive me for not agreeing that the antiproton generation is the source of important inefficiencies.