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Published online 12 September 2007 | Nature | doi:10.1038/news070910-5
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Matter-antimatter molecules made
Artificial atoms made of annihilating particles can pair up.
Two years after reporting the first tantalizing hints that matter might be able to bind with antimatter, researchers in California have nailed convincing evidence for the pairing.
David Cassidy and Allen Mills at the University of California at Riverside say that they have found the signature of a molecule in which two positrons — antimatter siblings of electrons — are bound together by electrons1.
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