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Nobel Prizes and Laureates

Nobel Prizes and Laureates

The Nobel Prize in Physics 1949
Hideki Yukawa

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Hideki Yukawa - Facts

Hideki Yukawa

Hideki Yukawa

Born: 23 January 1907, Tokyo, Japan

Died: 8 September 1981, Kyoto, Japan

Affiliation at the time of the award: Kyoto Imperial University, Kyoto, Japan, Columbia University, New York, NY, USA

Prize motivation: "for his prediction of the existence of mesons on the basis of theoretical work on nuclear forces"

Field: quantum mechanics

Prize share: 1/1

Work

Atomic nuclei consist of protons and neutrons held together by a strong force. Hideki Yukawa assumed that this force is borne by particles and that there is a relationship between the range of the force and the mass of the force-bearing particle. In 1934, Hideki Yukawa predicted that this particle should have a mass about 200 times that of an electron. He called this particle a "meson". Mesons' existence was verified in later experiments.

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