SEARCH FOR NEW MECHANISM OF CP VIOLATION THROUGH TAU-DECAY AND SEMILEPTONIC DECAY OF HADRONS

If CP is violated in any decay process involving leptons it will signi fy the existence of a new force (called the X boson) responsible for C P violation that may be the key to understanding matter-antimatter asy mmetry in the universe. We discuss the signatures of CP violation in ( I) the decay of tau lepton, and (2) the semileptonic decay of pi, K, D , B and t particles by measuring the polarization of the charged lepto n in the decay. We discuss how the coupling constants and their phases of the coupling of the X boson to 9 quark vertices and 3 lepton verti ces can be obtained through 12 decay processes.