News of the WeekPhysics

CERN Team Produces Antimatter in Bulk

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Science  20 Sep 2002:
Vol. 297, Issue 5589, pp. 1979-1981
DOI: 10.1126/science.297.5589.1979b

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Scientists report in this week's issue of Nature that they have produced about 50,000 slow-moving atoms of antihydrogen, the antimatter doppelgänger of the most abundant element in the universe. Because such atoms are very cold and slow moving, the team hopes it will be able to study them long enough to probe the fundamental asymmetries between matter and antimatter.