down quark
The 'down quark' is a fundamental particle in the Standard Model of particle physics, crucial for the structure of atomic nuclei.
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Definition
C2Particle Physics
(technical, academic)An elementary particle with a charge of -1/3e and a mass of approximately 4 to 8 MeV, forming part of protons and neutrons.
Example
- In a neutron, one up quark and two down quarks are bound together by the strong nuclear force.
- The down quark is one of the six types, or 'flavors,' of quarks in the Standard Model.
Similar
Terms that have similar or relatively close meanings to "down quark":
up quarkbottom quarkstrange quarktop quarksbottom squarksdown squarkcharm quark