“pion double-charge exchange”的概念、定义、翻译、参考文献-科学参考

单词	pion double-charge exchange
释义	pion double-charge exchange [`pī´än ¦dǝb·ǝl ¦chärj iks`chānj] ^{NUCLEAR PHYSICS} A nuclear reaction in which a positive pion interacts with a nucleus by a two-step process and a negative pion emerges, accompanied by the conversion of two neutrons in the nucleus to two protons, or the inverse reaction.
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