baryon
Definition
- Noun:
- A subatomic particle: A baryon is a type of elementary particle characterized by being a composite particle made of three quarks. It is a category of hadron (particles that interact via the strong nuclear force) with a specific baryon number of +1. Baryons have a mass equal to or greater than that of a proton, which is the most familiar stable baryon.
Usage Examples
- Noun:
- The proton and the neutron are the two most common and stable baryons found in an atomic nucleus.
- Scientists study baryons to understand the strong force that holds atomic nuclei together.
Advanced Usage
- In particle physics: The term "baryon" is used to classify particles based on their quark composition and baryon number, distinguishing them from mesons (which are hadrons made of a quark and an antiquark).
- The conservation of baryon number is a fundamental principle in particle physics.
Variants and Related Words
- Baryonic (adj): Relating to or consisting of baryons.
- Baryonic matter constitutes the stars, planets, and all visible objects in the universe.
- Baryon number (n): A quantum number representing the number of baryons in a system minus the number of antibaryons.
Synonyms
- Heavy hadron: (In a general, descriptive sense, as baryons are the more massive class of hadrons compared to mesons).
Related Terms and Concepts
- Hadron: The broader family of particles that interact via the strong force, which includes both baryons and mesons.
- Quark: The fundamental constituent particles that combine to form baryons (e.g., three quarks) and other hadrons.
- Proton: A stable, positively charged baryon.
- Neutron: A stable, neutral baryon.
Noun
-
any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions; a hadron with a baryon number of +1
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