Eta-c particle
[ey-tuh-see, ee-tuh-] /ˈeɪ təˈsi, ˈi tə-/
noun, Physics.
1.
a neutral meson having a mass 5832 times that of the electron and a mean lifetime of approximately 3.1 × 10 -22 seconds.
eta-c particle
(ā’tə-sē’, ē’tə-)
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. See Table at subatomic particle.
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