Quarks

Usually we use numbers to represent physical properties. For example, charge is represented by positive and negative numbers.

Quarks (not quacks!) combine in ways that numbers alone can not model so colour is used.


Key Concepts

All hadrons are made of quarks: baryons have 3, mesons 2.

There are 6 flavours of quark. They have a charge of either \(+{2\over 3}\) or \(-{1\over 3}\) and spin of \(1\over 2\).

We can show the individual quarks involved in particle interactions, rather than the full baryons or mesons.

Test Yourself

Use quizzes to practise application of theory.


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