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Measured beta-decay electron spectra were continuous, creating an apparent energy-and-momentum conservation problem before the neutrino hypothesis and Fermi’s theory.
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Fermi’s interaction theory incorporated the neutrino and supplied a dynamical account of beta spectra.
The source experiment, observation, anomaly, or problem materially motivated the development, revision, or acceptance of the target concept. Historical influence is not logical derivation; the edge detail states the documented role and avoids retrospective origin myths.
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Pauli proposed the neutrino to preserve conservation laws in continuous beta decay.
The source experiment, observation, anomaly, or problem materially motivated the development, revision, or acceptance of the target concept. Historical influence is not logical derivation; the edge detail states the documented role and avoids retrospective origin myths.
wp-physics-beta_decaynobel-neutrino-advanced