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Beta decay - Wikipedia
Beta Minus & Beta Plus Decay | OCR A Level Physics Revision …
Positron emission - Wikipedia
Beta Decay: Definition, Equation, Types, and Applications
DOE Explains...Beta Decay | Department of Energy
7.3: Alpha and Beta Decay - Physics LibreTexts
31.4: Nuclear Decay and Conservation Laws - Physics LibreTexts
Beta decay | Definition, Examples, & Facts | Britannica
Beta Decay Definition and Examples - Science Notes and Projects
Beta-plus decay | Britannica