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The terms in bold link to topics in the AQA, Edexcel, OCR, WJEC and CCEA A-level specifications, as well as the IB, Pre-U and SQA exam specifications.
Feynman diagrams are a tool used in particle physics to calculate the forces between elementary particles, such as electrons, photons, quarks and gluons. They can be used to calculate particle properties, such as the masses of hadrons (for example, protons and neutrons) and of mesons.
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