最終更新日：2024/07/28

(physics) A quark having a fractional electric charge of -1/3 and a mass of about 4 to 8 MeV. / Symbol: d

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down quark

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元となった辞書の項目

down quark

noun

(physics) A quark having a fractional electric charge of -1/3 and a mass of about 4 to 8 MeV. / Symbol: d

The down quark is one of the six types of quarks.

意味（1）

(physics) A quark having a fractional electric charge of -1/3 and a mass of about 4 to 8 MeV.

意味（2）

Symbol: d