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…
