Particle Zoo

The Standard Model

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The Up Quark

Symbol: u
Group: fermion, quark
Rest mass: 0.00161 - 0.00354 u
Diameter: 0
Charge: +2/3 e
Mean lifetime: stable
Spin: 1/2
Generation: 1
The up is the lightest quark and together with the down part of the protons and neutrons. This makes it an important particle of our matter.



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