Comments about "Weak interaction" in Wikipedia

This document contains comments about the article Weak interaction in Wikipedia

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Contents

• 1. Background
• 2. History
• 3. Properties
• 3.1 Weak isospin and weak hypercharge
• 4. Interaction types
• 4.1 Charged-current interaction
• 4.2 Neutral-current interaction
• 5. Electroweak theory
• 6. Violation of symmetry
• 7. See also

Reflection

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Introduction

The article starts with the following sentence.

1. Background

2. History

3. Properties

3.1 Weak isospin and weak hypercharge

4. Interaction types

4.1 Charged-current interaction

4.2 Neutral-current interaction

5. Electroweak theory

6. Violation of symmetry

The laws of nature were long thought to remain the same under mirror reflection.

This so-called law of parity conservation was known to be respected by classical gravitation, electromagnetism and the strong interaction; it was assumed to be a universal law. However, in the mid-1950s Chen-Ning Yang and Tsung-Dao Lee suggested that the weak interaction might violate this law. Chien Shiung Wu and collaborators in 1957 discovered that the weak interaction violates parity, earning Yang and Lee the 1957 Nobel Prize in Physics.[27]

7. See also

Following is a list with "Comments in Wikipedia" about related subjects

• Chien-Shiung Wu Commments
• Neutron Commments
• Laws of physics

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