…Gell-Mann named this fundamental particle 'quark' after a passage in J. Joyce's novel Finnegans Wake. There are three types of quarks: up, down, and strange, and they are called u, d, and s quarks, respectively, taking their initials. The terms up and down here are merely given for the sake of convenience in classifying the types of quarks. … *Some of the terminology that mentions "s quark" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ゲル・マンはJ.ジョイスの小説《Finnegans Wake》の一節からとってきて,この基本粒子に〈クォークquark〉という名まえをつけた。クォークには上向きup,下向きdownと奇妙strangeという3種類があって,その頭文字をとって,それぞれuクォーク,dクォーク,sクォークと呼ぶ。ここでいう上向きとか下向きというのは,あくまでクォークの種類を分類するために便宜上つけられたものである。… ※「s クォーク」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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