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Published online 19 September 2002 | Nature | doi:10.1038/news020916-7

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50,000 atoms of anti-hydrogen made

CERN researchers have enough anti-atoms to test Standard Model.

Physicists have made 50,000 atoms of anti-hydrogen, the antimatter counterpart of normal hydrogen1. This new substance will enable them to test one of the fundamental assumptions of modern physics - the Standard Model.

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