Meaning Of The Word Up quark

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Up quark Meaning

Up quark Definition
Up quark Definition

What's The Definition Of Up quark?

up quark in American English
a type of quark with a mass of c. 0.002 to 0.008 GeV/c2, a positive charge that is 2⁄3 that of an electron, zero charm, and zero strangeness
noun: the quark having electric charge 2/3 times the elementary charge and strangeness and charm equal to 0

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