lepton

Thân thiện

A scientist observes a lepton interaction in a particle detector.

Definition

1. Noun:
   • An elementary particle that participates in weak interactions; has a baryon number of 0: In particle physics, a "lepton" is a fundamental particle that does not undergo strong interactions. The most familiar leptons are the electron and the neutrino.
   • A former monetary unit of Greece equal to one hundredth of a drachma: In a historical and numismatic context, a "lepton" was a small Greek coin.

Examples of Usage

• Noun (Physics):
  • The electron is a stable, negatively charged lepton.
  • Neutrinos are elusive leptons with very little mass.
• Noun (Currency):
  • The coin was worth only a single lepton.
  • In the parable, the widow's mite was worth two lepta.

Advanced Usage

• The term is often used in the plural form "leptons" when discussing particle physics as a category.
  • The Standard Model classifies fundamental particles into quarks and leptons.
• In historical texts, the plural "lepta" is used for the currency.
  • He donated his last two lepta to the temple.

Variants and Related Words

• Leptonic (adj): Pertaining to leptons.
  • Leptonic decays involve only leptons and neutrinos.
• Lepton number (n): A quantum number conserved in particle interactions.
  • Electron neutrino production conserves lepton number.

Synonyms

• Elementary particle (for the physics sense): A fundamental constituent of matter.
• Subatomic particle (for the physics sense): A particle smaller than an atom.

Different Meanings

• The two primary meanings are distinct and belong to completely different fields (physics and historical finance). Context is essential to determine which is intended.

Học thuật

Noun

1. an elementary particle that participates in weak interactions; has a baryon number of 0
2. 100 lepta equal 1 drachma in Greece