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Lepton

Leptons are elementary particles with spin ½. One of the most prominent properties is their electric charge.

 

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Explanation

A lepton does not undergo strong interactions.

F E R M I O N S

L e p t o n s

Electrons

Muons

Taus

Ⅰ

Ⅰ

Ⅱ

Ⅱ

Ⅲ

Ⅲ

e− electron

e+ positron

µ− muon

µ+ antimuon

τ− tau

τ+ antitau

νe electron neutrino

ν̅e electron antineutrino

νµ muon neutrino

ν̅µ muon antineutrino

ντ tau neutrino

ν̅τ tau antineutrino

Leptons are the elementary building blocks of matter, such as e.g. of protons and neutrons in the atomic nucleus.

 

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History The name "lepton" (Greek: thin) was coined in 1953 by Dutch physicist Bram Pais.

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