"Selection rules governing the disintegration of a particle into two photons are derived from the general principle of invariance under rotation and inversion. The polarization state of the photons is completely fixed by the selection rules for initial particles with spin less than 2. These results which are independent of any specific assumption about the interactions may possibly offer a method of deciding the symmetry nature of mesons which decay into two photons."
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Educators from ChinaNational Medal of Science laureatesPhysicists from ChinaNobel laureates from ChinaAcademics from China
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Yang Chen-Ning
Yang Chen-Ning (; pinyin: Yang ZhènnĂng; 1 October 1922 – 18 October 2025), was a Chinese theoretical physicist, known for his research on parity violation in weak interactions, Yang–Mills theory, and the Yang–Baxter equation. He shared the 1957 Nobel Prize in Physics with Tsung-Dao Lee.
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