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The ALPHA Experiment
Explore the worlds of antimatter with the ALPHA Collaboration!
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...get to know how ALPHA works...
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Welcome!
ALPHA (Antihydrogen Laser Physics Apparatus) is an international collaboration based at CERN, and which is working with trapped antihydrogen atoms, the antimatter counterpart of the simplest atom, hydrogen. By precise comparisons of hydrogen and antihydrogen, the experiment hopes to study fundamental symmetries between matter and antimatter.