Wu-Yan model

Japanese: ウー=ヤン模型 - うーやんもけい
Wu-Yan model

…Today, the historical significance of each model is somewhat clear, but let us go back in time and mention some representative models. An early mechanical model is the Wu-Yang model, which considers neutrons to be bound states of protons and π mesons. After the discovery of strange particles such as the K meson, Λ particle, Σ particle, and Ξ particle, the classification of these particles became an important issue. …

*Some of the terminology explanations that mention the "Wu-Yang model" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…今日ではそれぞれの模型の歴史的意義がある程度見通せる状況にあるが,過去にさかのぼって代表的な模型について言及する。 初期の力学的な模型としては,例えば中性子を陽子とπ中間子の束縛状態と考えるウー=ヤン模型などがあげられる。ストレンジネスをもつ粒子,例えばK中間子やΛ粒子,Σ粒子,Ξ粒子などの発見以降は,これらの粒子の分類が重要な課題となった。…

※「ウー=ヤン模型」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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