eta-c meson
[ ey-tuh-see, ee-tuh- ]
nounPhysics.
a neutral meson having a mass 5832 times that of the electron and a mean lifetime of approximately 3.1 × 10-22 seconds.
- Also called eta-c particle.
Words Nearby eta-c meson
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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