News From the Field
The First Spectroscopic Measurement of an Anti-atom
March 7, 2012
Scientists at Lawrence Berkeley National Laboratory have played leading roles in designing and operating ALPHA, the CERN experiment that was the first to capture and hold atoms of antihydrogen, a single antiproton orbited by a single positron. Now, by measuring antihydrogen's hyperfine structure, ALPHA has achieved another first in antimatter science with the very first measurements of the energy spectrum of an anti-atom.
DOE/Lawrence Berkeley National Laboratory
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