eta-cparticle

eta-cparticle
e·ta-c particle (āʹtə-sēʹ, ēʹtə-) n.
An electrically neutral meson having a mass 5,832 times that of the electron and a mean lifetime of approximately 3.1 × 10-22 seconds.

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Universalium. 2010.

Игры ⚽ Поможем решить контрольную работу

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