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First atoms of antimatter produced at CERN

4 Jan 1996, 08:00 UTC
First atoms of antimatter produced at CERN

In September 1995, Prof. Walter Oelert and an international team from J├╝lich IKP-KFA, Erlangen-Nuernberg University, GSI Darmstadt and Genoa University succeeded for the first time in synthesising atoms of antimatter from their constituent antiparticles. Nine of these atoms were produced in collisions between antiprotons and xenon atoms over a period of three weeks. Each one remained in existence for about forty billionths of a second, travelled at nearly the speed of light over a path of ten metres and then annihilated with ordinary matter.
04 Jan 1996

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