ASACUSAAtomic Spectroscopy and Collisions Using Slow Antiprotons (experiment at the CERN physics laboratory)
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"As far as we know, there is no antimatter to be found naturally anywhere not in the earth or out to the farthest clusters of galaxies," said John Eades, a research physicist with Asacusa. "It's not like coal or oil, lying in the earth, or like solar energy.
On Friday, in ( a paper  published in the journal Science, researchers associated with the ASACUSA, or the Atomic Spectroscopy And Collisions Using Slow Antiprotons, collaboration at the European Organization for Nuclear Research (CERN) reported a new precision measurement of the mass of the antiproton - the antimatter equivalent of a proton - relative to that of the electron. 
"The ASACUSA collaboration is confident that it will be able to further improve the precision of antiproton's mass by using two laser beams," CERN said.