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This antimatter version of an atomic nucleus is the heaviest yet
Composite image of the Relativistic Heavy Ion Collider in New York and the particle tracks it detects
Joe Rubino and Jen Abramowitz/Brookhaven National Laboratory
Our collection of antimatter has just gotten heavier, as researchers have logged the heaviest antimatter version of an atomic nucleus yet, called antihyperhydrogen-4.
“We didn’t think that it was 100 per cent certain we would find it, we just knew we had a chance,” says Hao Qiu at the Institute of Modern Physics in China. He and his colleagues, an international team called the STAR Collaboration, briefly formed the new type of antimatter in…
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