Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-06-12
Phys.Lett.B341:386-390,1995
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 Latex pages; LMU-07/94 and PVAMU-HEP-94-5 (A few minor changes are made, accepted for publication in Phys. Lett. B)
Scientific paper
10.1016/0370-2693(94)01312-Z
The unitarity triangles of the $3\times 3$ Cabibbo-Kobayashi-Maskawa (CKM) matrix are studied in a systematic way. We show that the phases of the nine CKM rephasing invariants are indeed the outer angles of the six unitarity triangles and measurable in the $CP$-violating decay modes of $B_{d}$ and $B_{s}$ mesons. An economical notation system is introduced for describing properties of the unitarity triangles. To test unitarity of the CKM matrix we present some approximate but useful relations among the sides and angles of the unitarity triangles, which can be confronted with the accessible experiments of quark mixing and $CP$ violation.
Wu Dan-di
Xing Zhi-zhong
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