1.4 Particles - Leptons

Question 1

Leptons:

Answer 1

A family of particles which are much lighter than baryons and mesons
Fundamental particles

Question 2

Lepton subdivisions:

Answer 2

Electron generation
Muon generation

Question 3

Electron generation leptons:

Answer 3

Electron
Electron neutrino
Positron
Electron antineutrino

Question 4

Relative charge of electron generation leptons:

Answer 4

electron: -1
electron neutrino: 0
positron: +1
electron antineutrino: 0

Question 5

Muon generation leptons:

Answer 5

Muon
Muon neutrino
Antimuon
Muon antineutrino

Question 6

Relative charge of muon generation leptons:

Answer 6

muon: -1
muon neutrino: 0
antimuon: +1
muno antineutrino: -1

Question 7

Lepton number of electron generation:

Answer 7

electron: +1
electron neutrino: +1
positron: -1
electron anti-neutrino: -1

Question 8

Lepton number of muon generation:

Answer 8

muon: +2
muon neutrino: +2
antimuon: -2
muon antineutrino: -2

Question 9

Muon decays into:

Answer 9

an electron; muon is known as a ‘heavy’ electron