Overview
- The BASE team, which moved 92 antiprotons Tuesday, completed a roughly 30‑minute drive of about 5 to 6 miles across CERN with the particles still confined.
- Researchers used a portable cryogenic Penning trap that combines a superconducting magnet, ultra‑high vacuum, and electric fields to keep antiprotons from touching matter and annihilating.
- The goal is to take samples out of noisy accelerator halls into magnetically quiet laboratories such as Heinrich Heine University Düsseldorf for more precise measurements of antiproton properties.
- Longer trips now hinge on engineering fixes, as project lead Christian Smorra says the trap must stay below 8.2 kelvin for about eight hours to reach Germany, which calls for an onboard generator and cryocooler beyond the current battery window of about four hours.
- Only a tiny amount was moved, so a loss would have produced a negligible dose of radiation, yet the trial shows how CERN—the only source of stored antiprotons—could eventually share antimatter with more labs and widen the research community.