Comments on the Characteristic Measurables of the Quark Mixing Matrix
Zhi-zhong Xing
Abstract
Within the standard electroweak model we point out that the 3× 3 matrix of quark mixing is characterized by three universal (rephasing-invariant) quantities: one of them for CP violation and the other two for off-diagonal asymmetries. Unitarity of the quark mixing matrix can in principle be tested through a variety of measurements which are irrelevant to the existence of CP-violating effects.
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