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CERN Group Traps Antihydrogen Atoms for More Than 16 Minutes


June 5, 2011

the ALPHA neutral antimatter trap The ALPHA experiment at CERN last year reported trapping 38 antihydrogen atoms for 0.1 seconds each. They've gotten better. In a run late last year, they captured more than 100 for up to 1,000 seconds each, enough to start long-awaited experiments to determine the energy levels of antiatoms, according to University of California, Berkeley's Joel Fajans. They also plan gravitational experiments to see if matter and antimatter have the same properties. Full Story

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University of California, Berkeley

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