The Standard Model
Physics · Unit 4 — Revolutions in modern physics · The Standard Model
Learning objectives (12)
LO-1Compare the strong nuclear, weak nuclear and electromagnetic forces in terms of the gauge bosons.LO-2Contrast the fundamental forces experienced by quarks and leptons. Particle interactionsLO-3Describe baryons and mesons.LO-4Describe electron/electron, electron/positron and neutron decay interactions using particle interaction diagrams.LO-5Describe how symmetry in particle interactions occurs to maintain the principles of conservation. The following subject matter may be assessed in the internal assessments.LO-6Describe the concepts of elementary particles and antiparticles.LO-7Describe the concepts of lepton number and baryon number.LO-8Examine evidence supporting theories related to particle physics.LO-9Identify the four gauge bosons.LO-10Identify the six types of leptons.LO-11Identify the six types of quarks.LO-12Solve problems relating to the conservation of lepton number and baryon number in particle interactions using 𝐵 = 𝑛𝑏 − 𝑛𝑏̅, 𝐵 = 1 3 (𝑛𝑞 − 𝑛𝑞̅) and 𝐿 = 𝑛𝑙 − 𝑛𝑙̅.
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