Mixings and CP violations of theB^0 - \bar B^0 system in the four-generation model |
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Authors: | Morimitsu Tanimoto Yoshirou Suetaka Kei Senba |
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Institution: | 1. Science Education Laboratory, Ehime University, 790, Matsuyama, Japan 2. Department of Physics, Ehime University, 790, Matsuyama, Japan
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Abstract: | We study the mixings and CP violations in the \(B^0 - \bar B^0 \) system together with the \(K^0 - \bar K^0 \) one in the four-generation model, taking into account the ARGUS data for the \(B_d^0 - \bar B_d^0 \) mixing. We take typical six cases of the mixing hierarchy and search for the allowed regions of three phases in the 4×4KM matrix. The CP violating parameter ? K in the \(K^0 - \bar K^0 \) system gives a severe constraint for the phases, and the smaller mixing than that in the three-generation model is predicted for the \(B_s^0 - \bar B_s^0 \) system. The asymmetry parameters for the two-body non-leptonic decays of theB 0 and \(\bar B^0 \) mesons are also predicted. |
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