About Detecting CP-Violating Processes in $J/ψ\to \KzKzb $ Decay

Abstract

Questions about detecting CP-violating decay process of $J/\psi \to K^0{\bar{K}}^0\to K_S{K}_S$ are discussed. Possible background and material regeneration effect are analyzed. The discussion can be directly extended to other vector quarkonium decays, like ${\rm Y}$, $\psi (2S)$ and $\varphi \to K_S{K}_S$.

5 pages, 2 figures, Latex