Hadronic Flavor and CP Violating Signals of Superunification

Abstract

The flavor changing and CP violating phenomena predicted in supersymmetric unified theories as a consequence of the large top quark Yukawa coupling, are investigated in the quark sector and compared with related phenomena in the lepton sector, considered previously. In particular we study ${\epsilon }_K$, ${\epsilon }_K^{\prime }/{\epsilon }_K$, $\Delta m_B$, $b\to s\gamma$, the neutron electric dipole moment, $d_n$, and CP violation in neutral $B$ meson decays, both in minimal~SU(5) and~SO(10) theories. The leptonic signals are generically shown to provide more significant tests of quark-lepton unification. Nevertheless, mostly in the~SO(10) case, a variety of hadronic signals is also possible, with interesting correlations among them.

17 pages, figures not included

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