In a paper published online today by the journal Nature, the ALPHA collaboration at CERN* reports an important milestone on the way to measuring the properties of antimatter atoms. This follows news reported in June last year that the collaboration had routinely trapped antihydrogen atoms for long periods of time. ALPHA's latest advance is the next important milestone on the way to being able to make precision comparisons between atoms of ordinary matter and atoms of antimatter, thereby helping to unravel one of the deepest mysteries in particle physics and perhaps understanding why a Universe of matter exists at all.
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- ALPHA stores antimatter atoms for over a quarter of an hour -- and still countingSun, 5 Jun 2011, 13:33:30 EDT
- Antimatter atoms stored for the first timeWed, 17 Nov 2010, 14:25:23 EST