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nounan elementary particle with positive charge; interaction of a positron and an electron results in annihilation
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- anderson United States physicist who discovered antimatter in the form of an antielectron that is called the positron (1905-1991)
- carl anderson United States physicist who discovered antimatter in the form of an antielectron that is called the positron (1905-1991)
- carl david anderson United States physicist who discovered antimatter in the form of an antielectron that is called the positron (1905-1991)