Flavor and CP Violation with Fourth Generations Revisited

W. S. Hou, C. Y. Ma

The Standard Model predicts a very small CP violation phase $\sin 2{\Phi }_{B_s}^{\mathrm{SM}}\simeq -0.04$%= \arg M_{12} \simeq \arg\,(V^*_{ts}V_{tb})^2$in$B_s$--$\bar B_s$ mixing. %, i.e.…