Physicists chip away at mystery of antimatter imbalance

(PhysOrg.com) — Why there is stuff in the universe—more properly, why there is an imbalance between matter and antimatter—is one of the long-standing mysteries of cosmology. A team of researchers working at the National Institute of Standards and Technology has just concluded a 10-year-long study of the fate of neutrons in an attempt to resolve the question, the most sensitive such measurement ever made.

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Physicists chip away at mystery of antimatter imbalance