D-s meson


noun Physics.

a positively charged meson having a mass 3852 times that of the electron and a mean lifetime of approximately 4.7 X 10-13 seconds.

Also called D-s particle.
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d-s particle in Science

D-s particle

[dēĕs]

A positively charged meson having a mass 3,852 times that of the electron and a mean lifetime of approximately 4.7 X 10-13 seconds. See Table at subatomic particle.
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