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Angels, Demons, and Antihydrogen
Contact: Paul Preuss There’s nothing fictional about antimatter. It’s all around us, all the time. Researchers know how to create and store antiparticles and even make antihydrogen atoms. But gathering...
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Antimatter Atoms Successfully Stored for the First Time
Scientific contact: Joel Fajans, 510-984-3601 An artist’s impression of an antihydrogen atom – a negatively charged antiproton orbited by a positively charge anti-electron, or positron – trapped by...
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Anti-Helium Discovered in the Heart of STAR
Roughly equal amounts of matter and antimatter are created in the collision of energetic gold nuclei, but because the fireball expands and cools quickly, antimatter can survive long enough to be...
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ALPHA Stores Antimatter Atoms Over a Quarter of an Hour – and Still Counting
An artistic representation of the ALPHA neutral antimatter trap, suggesting the nature of the ALPHA apparatus as a container for antihydrogen. (Chukman So, copyright © 2011 Wurtele Research Group. All...
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The First Spectroscopic Measurement of an Anti-Atom
Like ordinary hydrogen, a single electron orbiting a proton nucleus, antihydrogen is the simplest of atoms, a single positron (antielectron) orbiting a single antiproton. CERN’s ALPHA experiment was...
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MAJORANA, the Search for the Most Elusive Neutrino of All
The helicity, or handedness, of neutrinos has only been observed in two states, left-handed neutrinos and right-handed antineutrinos. Whether these are really the only two neutrino handedness states...
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Does Antimatter Fall Up or Down?
Do atoms of antihydrogen weigh the same as atoms of ordinary hydrogen? Could they even have The atoms that make up ordinary matter fall down, so do antimatter atoms fall up? Do they experience gravity...
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Precision Physics of Antiatoms: Berkeley Lab Physicists Bound the Charge of...
Trajectories of antihydrogen atoms released from the ALPHA trap. The dots represent where the anti-atoms annihilate on the trap wall; under the influence of an electric field, the different charges,...
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What to Expect Next from the World’s Largest Particle Accelerator
Hydraulic connections of the Fast Cycle Magnet cable to allow the cooling of the magnet’s conductor ( Cable in conduit type) with supercritical helium. Credit: Maximilien Brice In March, when...
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For Ultra-cold Neutrino Experiment, a Successful Demonstration
Bottom view of a CUORE tower. Credit: CUORE Collaboration Today an international team of nuclear physicists announced the first scientific results from the Cryogenic Underground Observatory for Rare...
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