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down quark

n. a stable quark with an electric charge of -1/3 and a mass 607 times that of an electron

1、[高能]下夸克

比方说，质子是由两个上夸克（up quark）和一个下夸克（down quark）组成的束缚态，而奇异粒子只不过是含有奇异夸克（strange quark）的束缚态。（然而，我们不可能观测到单个夸克或胶子。

Down-Quark下夸克

物理学

化学

n.a stable quark with an electric charge of -1/3 and a mass 607 times that of an electron

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