SWhat changed
Introduced Cabibbo mixing angle in unitary-symmetry analysis of leptonic decays.
Scientific scope
The record is Cabibbo's sole-author 1963 paper. It does not absorb the later three-generation CKM matrix, the electroweak theory or all subsequent flavor-physics measurements.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is Cabibbo's sole-author 1963 paper. It does not absorb the later three-generation CKM matrix, the electroweak theory or all subsequent flavor-physics measurements.
Contributors
- Nicola Cabibbo · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
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