CERN, the European Organization for Nuclear Research, has reported a breakthrough in transporting antimatter. Scientists at CERN have successfully tested the transport of protons across its research campus, laying the groundwork for safely moving antiprotons in the future.
The test forms part of the BASE-STEP (Baryon Antibaryon Symmetry Experiment, Symmetry Tests in Experiments with Portable Antiprotons) trials, designed to explore portable methods for containing and shipping antimatter. Scientists used protons as a stand-in, but the experimental success represents a significant step forward. “If you can do it with protons, it will also work with antiprotons,” said Christian Smorra, the project leader.
What makes antimatter transport challenging?
Antimatter, the mirror opposite of regular matter, annihilates upon contact with matter, releasing energy. This makes it extremely challenging to store, study, and transport. Due to these constraints, experiments with antiprotons have been confined to CERN’s Antiproton Decelerator until now. The ability to transport such particles could open up new possibilities for precision experiments at external laboratories.
The recent test involved transporting a cloud of 70 protons in a specialized magnetic trap, cooled to near absolute zero, and mounted in a truck. The setup maintained particle stability across a 3.7-kilometer route within the CERN campus. Scientists monitored the system closely to confirm no losses during the multi-hour operation. The system uses advanced cryogenic technology powered by batteries and helium cooling, making it compact and portable.
What this breakthrough means for physics and beyond
The implications of this achievement are far-reaching. If adapted for antiprotons, this system could enable delivery to precision laboratories across Europe. One of the first goals is to transport antiprotons to Heinrich Heine University in Düsseldorf, Germany, for advanced studies.
Such developments aim to enhance understanding of fundamental physics, particularly the imbalance in matter and antimatter post-Big Bang. However, challenges remain. Transporting antiprotons will require further upgrades, including better vacuum conditions and power sources for longer distances. The team is investigating onboard generators to extend operation times during transport.
CERN plans further tests with antiprotons by next year, targeting a European-scale distribution. This could transform antimatter research, allowing multiple laboratories to collaborate on previously impossible experiments. This achievement highlights the growing possibilities in particle physics, pushing the boundaries of what we can explore with tools barely imagined a decade ago.
YouTube: BASE experiment takes a big step towards portable antimatter
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Photo credit: All images shown are owned by CERN. The Photographers involved were Marina Cavazza and Chetna Krishna.
Source: CERN news / Nature article
