Physics A-Level
Gamma emission
What Gamma emission means in Physics A-Level, as defined for AQA.
Definition of Gamma emission
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Reference: AQA
The emission of a high-frequency electromagnetic quantum with no mass or charge when a nucleus de-excites to a lower energy state, leaving proton and nucleon numbers unchanged.
Topics that use Gamma emission
- Nuclear instability (A-level only) (AQA A-Level)
Related terms
- Alpha emission
- Beta-minus decay
- Beta-plus decay
- Conservation laws
- Electron capture
- Nuclear equations
- Nuclear excited state
- Nuclide notation
Using Gamma emission in the exam
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