CP asymmetries in decays of the $D^{0}-\bar{D}^{0}$ system revisited

Abstract

CP violation in neutral D meson decays to the CP eigenstates and non-CP eigenstates is studied systematically within the framework of the Cabibbo-Kobayashi-Maskawa model. The nonleptonic two-body decay processes and the decay processes with semileptonic tagging are discussed in detail and the upper bounds of the direct and indirect CP violation in these decay processes are obtained. A method to measure the mixing parameter \(\tilde{\epsilon}\) and to separate the direct and indirect CP violation in the decay processes with semileptonic tagging are also discussed.