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    Physics A-Level

    Weak interaction

    What Weak interaction means in Physics A-Level, as defined for AQA.

    Definitions of Weak interaction

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    The interaction responsible for muon decay, in which a negative muon transforms into an electron plus a muon neutrino and an electron antineutrino.
    AQA · Classification of particles (study guide)
    The interaction through which strange particles decay, which does not conserve strangeness and is much slower.
    AQA · Classification of particles (study guide)
    The change of quark character in beta decay is a weak interaction, not a strong or electromagnetic one.
    AQA · Applications of conservation laws (study guide)

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