xi

IPA(Pronunciation)

/ksaɪ/

Noun

The 14th letter of Classical and Modern Greek. The 15th in Ancient and Old Greek. / (physics) Either of a pair of hyperons having spin 1/2, which decay into a lambda particle and a pion.

Japanese Meaning

古典・現代ギリシャ語における14番目の文字（古代・旧ギリシャ語では15番目の文字） / 物理学における、ラムダ粒子とパイ中間子に崩壊するスピン1/2のハイパロンのいずれか

What is this buttons?

In the annotated copy, the professor circled xi to show its historical position in the Greek alphabet.

Google Translation / DeepL Translation

注釈付きの写本で、教授はギリシャ文字のクシー（ξ）を丸で囲み、そのギリシャ文字アルファベットにおける歴史的な位置を示した。

Details

Sense（1）

The 14th letter of Classical and Modern Greek. The 15th in Ancient and Old Greek.

Sense（2）

(physics) Either of a pair of hyperons having spin 1/2, which decay into a lambda particle and a pion.

xis

（ plural ）

Details

xi

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