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Stefan Ulmer

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Stefan Ulmer, physicist, led the first successful transport of antimatter by truck at CERN.

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Stefan Ulmer is a physicist, likely affiliated with the University of Düsseldorf, who played a key role in a groundbreaking experiment at CERN. He and Christian Smorra led the team that successfully transported antimatter (specifically, 92 antiprotons) by truck for the first time. This event is newsworthy because it marks a significant milestone in antimatter research, proving the feasibility of transporting this highly sensitive and valuable substance. The successful transport opens new possibilities for studying antimatter and potentially solving some of the biggest mysteries in particle physics. Ulmer, while surprised by the attention, remained focused on the technical aspects of the experiment. The slow and careful transport was crucial to maintaining the stability of the antimatter.
Last updated: May 2, 2026