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Quarks and Beta Decay

AQA AS-level PhysicsQuarks and LeptonsLesson 16 of 17

In beta-minus decay A neutron changes into a proton.

This is because a down quark changes into an up quark.

Diagram

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Key terms in this lesson

Quark
A fundamental particle that combines with other quarks to make up hadrons; at A-level, up, down and strange quarks are considered.

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