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ScienceQuiet 7d · day 8

Scientists transport 92 antiprotons by road in first-of-a-kind experiment

Researchers move antimatter outside CERN's main facility, paving the way for precision physics experiments in quieter lab environments.

newest coverage 7d agosummary written 4d ago4 pieces1 likes & upvotes1 comments NewswiresHacker News

What to know

  • The BASE collaboration successfully transported 92 antiprotons by truck along a 7.5-km route in March 2026, the first time antimatter has been moved by road without loss or degradation.
  • The transportable BASE-STEP trap enables antiprotons to be relocated to low-noise laboratories away from CERN's magnetic field fluctuations, potentially improving precision tests of matter–antimatter symmetry by 100-fold.
  • The achievement opens the possibility of antimatter deliveries to research facilities beyond CERN, enabling new precision tests of fundamental physics and CPT invariance.

“These studies are driven by the search for physics beyond the standard model of particle physics, including efforts to explain the observed cosmological matter–antimatter asymmetry.”

Leonhardt et al. (BASE collaboration) · Nature ↗ · Sep 15

Stefan Ulmer Lead scientist, BASE collaborationChristian Smorra Co-lead, BASE collaborationBASE collaboration Research team at CERNM. Leonhardt Lead author, Nature publication

Scientists transport 92 antiprotons by road in first-of-a-kind experiment
nature.com

How it unfolded 2 developments, newest first · click a bar or a number to jump articlesposts

Peak 2 pieces in two hours at Sep 15, 7 PM; 4 pieces over 8 days (3 articles · 1 post) Sep 15, 7 PM — 2 pieces · 2 articles — Newswires 2Sep 15, 9 PM — quietSep 15, 11 PM — quietSep 16, 1 AM — quietSep 16, 3 AM — quietSep 16, 5 AM — quietSep 16, 7 AM — quietSep 16, 9 AM — quietSep 16, 11 AM — quietSep 16, 1 PM — quietSep 16, 3 PM — 1 piece · 1 post — Hacker News 1Sep 16, 5 PM — 1 piece · 1 article — Newswires 1Sep 16, 7 PM — quietSep 16, 9 PM — quietSep 16, 11 PM — quietSep 17, 1 AM — quietSep 17, 3 AM — quietSep 17, 5 AM — quietSep 17, 7 AM — quietSep 17, 9 AM — quietSep 17, 11 AM — quietSep 17, 1 PM — quietSep 17, 3 PM — quietSep 17, 5 PM — quietSep 17, 7 PM — quietSep 17, 9 PM — quietSep 17, 11 PM — quietSep 18, 1 AM — quietSep 18, 3 AM — quietSep 18, 5 AM — quietSep 18, 7 AM — quietSep 18, 9 AM — quietSep 18, 11 AM — quietSep 18, 1 PM — quietSep 18, 3 PM — quietSep 18, 5 PM — quietSep 18, 7 PM — quietSep 18, 9 PM — quietSep 18, 11 PM — quietSep 19, 1 AM — quietSep 19, 3 AM — quietSep 19, 5 AM — quietSep 19, 7 AM — quietSep 19, 9 AM — quietSep 19, 11 AM — quietSep 19, 1 PM — quietSep 19, 3 PM — quietSep 19, 5 PM — quietSep 19, 7 PM — quietSep 19, 9 PM — quietSep 19, 11 PM — quietSep 20, 1 AM — quietSep 20, 3 AM — quietSep 20, 5 AM — quietSep 20, 7 AM — quietSep 20, 9 AM — quietSep 20, 11 AM — quietSep 20, 1 PM — quietSep 20, 3 PM — quietSep 20, 5 PM — quietSep 20, 7 PM — quietSep 20, 9 PM — quietSep 20, 11 PM — quietSep 21, 1 AM — quietSep 21, 3 AM — quietSep 21, 5 AM — quietSep 21, 7 AM — quietSep 21, 9 AM — quietSep 21, 11 AM — quietSep 21, 1 PM — quietSep 21, 3 PM — quietSep 21, 5 PM — quietSep 21, 7 PM — quietSep 21, 9 PM — quietSep 21, 11 PM — quietSep 22, 1 AM — quietSep 22, 3 AM — quietSep 22, 5 AM — quietSep 22, 7 AM — quietSep 22, 9 AM — quietSep 22, 11 AM — quietSep 22, 1 PM — quietSep 22, 3 PM — quietSep 22, 5 PM — quietSep 22, 7 PM — quietSep 22, 9 PM — quietSep 22, 11 PM — quietYesterday, 1 AM — quietYesterday, 3 AM — quietYesterday, 5 AM — quietYesterday, 7 AM — quietYesterday, 9 AM — quietYesterday, 11 AM — quietYesterday, 1 PM — quietYesterday, 3 PM — quietYesterday, 5 PM — quietYesterday, 7 PM — quietYesterday, 9 PM — quietYesterday, 11 PM — quietToday, 1 AM — quietToday, 3 AM — quiet 12
Sep 16Sep 17Sep 18Sep 19Sep 20Sep 21Sep 22yesterdaynow · 4:44 AM ET
  1. 2

    Phys.org reports antiprotons stored for over a month after transport

    Coverage indicates that the transported antiprotons were stored successfully for more than a month following the road transport, extending the practical demonstration of the mobile trap system's viability for long-term containment.

    1. 1 outlet Mobile trap transports 92 antiprotons by road and stores them for over a month in world first

      first by Phys.org, 7d ago

  2. 1

    Nature publishes BASE collaboration's antiproton transport findings

    The Leonhardt et al. paper documents the first successful road transport of trapped antiprotons and describes how this achievement enables a new era of antiproton precision measurements in dedicated low-noise offline laboratory environments. The research demonstrates that antiprotons can be relocated to facilities outside CERN's main site.

    “This achievement marks the starting point for a new era of antiproton precision measurements in dedicated low-noise offline laboratory environments.”
    — Leonhardt et al. (BASE collaboration)
    1. 1 outlet Road transport of trapped antiprotons

      first by Nature News, 8d ago

  3. background

    BASE collaboration transports trapped antiprotons by road — Scientists sealed 92 antiprotons in a cryogenic, transportable Penning-trap system called BASE-STEP and loaded it onto a truck. The antiprotons were successfully transported outside CERN's Antimatter Factory along a 7.5-kilometer route without particle loss or measurable degradation of the trap vacuum.