ScienceModernglobalhigh confidence

The Antiproton Decelerator decelerates antiprotons to an energy of 5.3 MeV.

Notes on verification

Confirmed by CERN's official site, a peer-reviewed NIH/PMC article, and arXiv papers, all consistent on the 5.3 MeV figure. [tier=gold indep_score=0.983 clusters=3 claim_tier=notable]

Sources