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MESON PI [1 record]

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Record 1 2015-02-13

English

Subject field(s)
  • Atomic Physics
DEF

An elementary particle; the contraction of pi-meson. The mass of a charged pion is about 273 times that of an electron. An electrically neutral pion has a mass 264 times that of an electron.

French

Domaine(s)
  • Physique atomique
CONT

Les mésons se divisent en deux groupes : les mésons pi, dont la masse est environ 270 fois celle de l'électron, et les mésons ka, [...]

Spanish

Campo(s) temático(s)
  • Física atómica
DEF

Partícula elemental inestable del género de los mesones. Su masa es aproximadamente 270 veces la del electrón y su carga eléctrica es igual a la de este o nula.

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