Meaning up quark
What does up quark mean? Here you find 2 meanings of the word up quark. You can also add a definition of up quark yourself
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up quarkThe least massive flavor of quark, with electric charge 2/3.
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up quark(particles) A quark having a fractional electric charge of +2/3 and a mass of about 1.5 to 4 MeV?. Symbol: u
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