Cern to Transport Antimatter for First Time in Historic Test

Published: 14 March 2026. The English Chronicle Desk. The English Chronicle Online

Scientists at Cern, the European particle physics laboratory near Geneva, are preparing for a historic first: the transport of antimatter. Later this month, a one-tonne device containing a few thousand antiprotons will be driven around the campus in a 20-minute test run, marking the world’s initial attempt to move this highly volatile substance without incident.

Antimatter is famous for its explosive reaction when it meets regular matter, converting both into pure energy. Yet, in reality, the quantities produced in laboratories are minute: the Cern cargo contains about a billionth of a trillionth of a gram. Should containment fail, the resulting energy release would be negligible. Still, the experiment represents a critical milestone for fundamental physics research.

“For years, we’ve asked why the universe is dominated by matter rather than antimatter,” said Dr Christian Smorra, physicist on Cern’s Baryon Antibaryon Symmetry Experiment (Base). “This transport is essential if we want to conduct the precise measurements required to find the answer.”

Antimatter was first predicted in 1928 by Nobel laureate Paul Dirac, who showed that every particle has a corresponding antiparticle with opposite charge. In 1932, Carl Anderson detected the positron, confirming the theory. Today, antimatter particles such as antiprotons can be combined into anti-atoms, opening a window into one of physics’ most enduring mysteries: why our universe favors matter.

Cern’s Antimatter Factory produces antiprotons by colliding high-energy protons with a dense metal target, after which the particles are slowed in a decelerator and captured in a cryogenic trap. While production is feasible at Cern, precision measurements require different facilities. Researchers aim to transport antimatter to Heinrich Heine University in Düsseldorf, where experiments could probe subtle differences between matter and antimatter with up to 100 times greater accuracy.

The trap itself is a technological marvel. Antimatter is suspended in ultra-high vacuum at -269°C, using magnetic and electric fields to prevent any contact with normal matter. The device is designed to withstand shocks, bumps, and abrupt braking during transport, and the upcoming test will verify whether the system can maintain containment under real-world conditions.

“If we want to perform experiments elsewhere, we need to show we can move antimatter safely,” said Smorra. “This is a big milestone for us.”

While antimatter often sparks imaginations in science fiction—from Star Trek’s warp drive to Dan Brown’s Angels and Demons—the real challenges are mundane yet delicate. Researchers must ensure uninterrupted power for the trap, protect the cargo from traffic delays, and maintain cryogenic conditions for the particles throughout the journey. Success would pave the way for groundbreaking experiments that could finally illuminate why matter exists at all.