(quantum mechanics) The law that, if the wave function describing the initial state of a system has even (odd) parity, the wave function describing the final state has even (odd) parity; it is violated by the weak interactions. Also known as parity conservation.
conservation of parity
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(′kän·sər′vā·shən əv ′par·əd·ē)
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 | Tsung-Dao Lee (American physicist) |
| Chien-Shiung Wu (American-Chinese physicist) |
| Chen Ning Yang |
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