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Whose theory first described how the weak force can change one kind of particle into another?

Quick Answer

Enrico Fermi built the first theory of beta decay in 1933. It was an early step toward the modern theory of the weak interaction.

The Full Story

Enrico Fermi proposed his theory of beta decay in 1933. The theory explained how a neutron can transform into a proton while emitting an electron and a neutrino. This process is governed by the weak interaction, one of the four fundamental forces of nature. Fermi’s model was crucial in the development of particle physics and later weak-force theory.

Key Facts

1.Theory proposed in 1933
2.Explains beta decay
3.Important early step toward weak-interaction theory

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"The force that can literally change a particle’s identity."

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