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出典:Wiktionary
pion + -ium
pionium (複数形 pioniums)
出典:Wikipedia
出典:『Wikipedia』 (2011/04/02 23:28 UTC 版)
Pionium is an exotic atom consisting of a π+ and a π− meson. It is generally created by interaction of a proton beam accelerated by a particle accelerator and a target nucleus.
pionium