A substance called antimatter is at the heart of one of the greatest mysteries of the universe. We know that every particle has an antimatter companion that is virtually identical to itself but with the opposite charge. When a particle and its antiparticle meet, they annihilate each other — disappearing in a burst of light. ...
Scientists studying particle collisions of light at the Relativistic Heavy Ion Collider (RHIC) — a U.S. Department of Energy Office of Science user facility for nuclear physics research at DOE’s Brookhaven National Laboratory — have produced definitive evidence for two physics phenomena predicted more than 80 years ago. The results were derived from a detailed analysis of ...
Why is there so little antimatter in the universe? Imagine a dust particle in a storm cloud, and you can get an idea of a neutron’s insignificance compared to the magnitude of the molecule it inhabits. But just as a dust mote might affect a cloud’s track, a neutron can influence the energy of its ...
Today, the CERN-based ALPHA (Anti-hydrogen Laser Physics Apparatus) collaboration announced the world’s first laser-based manipulation of antimatter, leveraging a made-in-Canada laser system to cool a sample of antimatter down to near absolute zero. The achievement, detailed in an article published and featured on the cover of the journal Nature, will significantly alter the landscape of antimatter research and advance the next generation of experiments. ...
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