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LHC breaks the record for heaviest antimatter nucleus ever seen
Researchers at the Large Hadron Collider found evidence of an unprecedentedly heavy and exotic form of antimatter in the aftermath of a collision between extremely fast lead ions
A particle smasher has created antihyperhelium-4, the heaviest antimatter nucleus ever made in a physics lab In the smash-up of very energetic lead ions, researchers have uncovered evidence of the heaviest antimatter version of an atomic nucleus ever seen. In 2024, researchers from the STAR Collaboration at Brookhaven National Laboratory’s Relativistic Heavy Ion Collider (RHIC) in New York reported briefly creating a then unprecedentedly heavy antimatter nucleus called antihyperhydrogen-4.
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