First beam of antihydrogen atoms

By Yasunori Yamazaki. Published on 25 June 2014 in:
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ASACUSA at CERN, Antiproton Decelerator [AD], a Japanese-European collaboration working on antihydrogen production for the CPT symmetry test, has unambiguously detected an antihydrogen beam 2.7 meters downstream from the production region, for the first time. This is an important milestone towards high precision tests of the CPT symmetry via antihydrogen spectroscopy.

It is well-known that matter and antimatter are always created in equal amounts in laboratory experiments. It is …

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ALPHA takes measurement of antihydrogen atoms

By Ian Randall. Published on 16 March 2012 in:
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The ALPHA collaboration at CERN has undertaken the first measurements of the antihydrogen spectrum, reported the journal Nature last week. This initial development may pave the way towards a better understanding of why our universe is matter-based.

“We’ve demonstrated that we can probe the internal structure of the antihydrogen atom,” said ALPHA collaboration spokesman, Jeffrey Hangst. “…we’re very excited about that. We now know that it’s possible to design…

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