Comments on the Parametrization of the Kobayashi-Maskawa Matrix

We show that the quark mixing matrix can be parametrized in exactly unitary forms with the imaginary parts present only at the order of 10/sup -3/. With s/sub x/ = s/sub l/ and s/sub y/ well determined, measurements of epsilon' or other CP-nonconservation effects can determine s/sub z/s/sub phi...

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Veröffentlicht in:	Phys. Rev. Lett.; (United States) 1984-11, Vol.53 (19), p.1802-1805
Hauptverfasser:	Chau, Ling-Lie, Keung, Wai-Yee
Format:	Artikel
Sprache:	eng
Schlagworte:	645400 - High Energy Physics- Field Theory CP INVARIANCE ELEMENTARY PARTICLES FIELD THEORIES INVARIANCE PRINCIPLES KOBAYASHI-MASKAWA MATRIX MATRICES MATRIX ELEMENTS PHYSICS OF ELEMENTARY PARTICLES AND FIELDS POSTULATED PARTICLES QUARKS SYMMETRY UNIFIED-FIELD THEORIES UNITARY SYMMETRY
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Beschreibung
Zusammenfassung:	We show that the quark mixing matrix can be parametrized in exactly unitary forms with the imaginary parts present only at the order of 10/sup -3/. With s/sub x/ = s/sub l/ and s/sub y/ well determined, measurements of epsilon' or other CP-nonconservation effects can determine s/sub z/s/sub phi/. Then after Vertical BarV/sub u/b approx. =s/sub z/ is measured, s/sub phi/ is known. We also give a simple expression for the CP asymmetry in the B/sup 0/-B-bar /sup 0/ mixing.
ISSN:	0031-9007
DOI:	10.1103/PhysRevLett.53.1802