What are hadrons?

Hadrons are particles which are made from quarks.


Hadrons feel both the strong nuclear force and the weak nuclear force.

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What are leptons?

Leptons are fundamental particles which are not made from quarks.


Leptons feel the weak nuclear force but not the strong nuclear force.

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What are the two categories of hadrons?

  1. Baryons
  2. Mesons

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Leptons are fundamental. What is meant by the term fundamental?

Fundamental particles are not made up of other particles and cannot be broken down further.

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What are the baryon numbers of the proton and the antiproton respectively?

  1. The proton has a baryon number of +1
  2. The antiproton has a baryon number of -1

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What is a baryon?

A baryon is a hadron which is comprised of three quarks.

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What is a meson?

A meson is a hadron which is comprised of a quark and an antiquark.

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Can leptons feel the strong nuclear force?

No

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What is the name of the most stable baryon?

Proton

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Give some examples of a lepton.

  1. Electron
  2. Positron
  3. Muon 
  4. Antimuon
  5. Neutrino
  6. Antineutrino
  7. Tao
  8. Antitao

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What are the products of a muon decay?

μ− → e− + νˉe​ + νμ​


A muon decays into an electron, neutrino (of type muon) and an antineutrino (of type electron).

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