Composite image of the New York Relativistic Heavy Ion Collider and the tracks of particles it has detected.
Joe Rubino and Jen Abramowitz/Brookhaven National Laboratory
Our antimatter collection just got even heavier as researchers documented the heaviest antimatter version of an atomic nucleus yet, called antihyperhydrogen-4.
“We didn’t think we’d find it with 100% certainty, but we just knew there was a chance,” says Hao Qiu of the China Institute of Modern Physics. He and his colleagues in an international team called the STAR Collaboration quickly formed a new type of antimatter.
