D particle


nounPhysics.

Origin of D particle

1
First recorded in 1975–80

Words Nearby D particle

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Scientific definitions for D particle

D particle

  1. Either of two subatomic particles in the meson family, one neutral and one positively charged, having masses 3,649 and 3,658 times that of the electron and average lifetimes of 4.2 X 10-13 and 1.1 X 10-12 seconds, respectively. See Table at subatomic particle.

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