Phys. Rev. Lett. 51, 1945–1947 (1983)Parametrization of the Kobayashi-Maskawa MatrixReceived 22 August 1983; published in the issue dated 21 November 1983 The quark mixing matrix (Kobayashi-Maskawa matrix) is expanded in powers of a small parameter λ equal to sinθc=0.22. The term of order λ2 is determined from the recently measured B lifetime. Two remaining parameters, including the CP-nonconservation effects, enter only the term of order λ3 and are poorly constrained. A significant reduction in the limit on ε′/ε possible in an ongoing experiment would tightly constrain the CP-nonconservation parameter and could rule out the hypothesis that the only source of CP nonconservation is the Kobayashi-Maskawa mechanism. © 1983 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.51.1945
DOI:
10.1103/PhysRevLett.51.1945
PACS:
11.30.Er, 12.10.Ck, 13.25.+m
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