单词 | three-alpha process |
释义 | three-alpha process [`thrē ¦al·fǝ `prä´sǝs] ASTROPHYSICS A nuclear reaction in which three helium-4 nuclei (alpha particles) combine to form a carbon-12 nucleus, with the emission of a gamma ray; it converts helium into carbon in red giants. Also known as Salpeter process; triple-alpha process. |
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