D^0 \to K^{\pm}π^{\mp} and CP Violation at a τ-charm Factory

Abstract

We calculate the time-dependent and time-integrated decay rates of $(D^0{\bar{D}}^0)\to (K^{\pm }{\pi }^{\mp })(l^{\pm }{X}^{\mp })$ at the $\psi (3.77)$ and $\psi (4.14)$ resonances. The possibilities to distinguish between the effects of $D^0-{\bar{D}}^0$ mixing and doubly Cabibbo suppressed decay (DCSD) are illustrated, and the signal of $CP$ violation induced by the interplay of mixing and DCSD is discussed. Ratios of the decay rates of $(D^0{\bar{D}}^0)\to (K^{\pm }{\pi }^{\mp })(K^{\pm }{\pi }^{\mp })$ to that of $(D^0{\bar{D}}^0)\to (K^{+}{\pi }^{-})(K^{-}{\pi }^{+})$ are also recalculated by accommodating $CP$ violation and final-state interactions.

13 pages. (Phys. Lett. B in press)

References in corpus (9)

• Nonleptonic weak decays of charmed mesons
• Interference Between Cabibbo Allowed and Doubly Forbidden Transitions in $D\ra K_{S,L} + π'$s Decays
• The Role of CP violation in D0 anti-D0 Mixing
• SU(3) Breaking Effects in Charmed Meson Decays
• CP Violation in $D^0-\overline{D^0}$Mixing
• Effect of $K^0-{\bar{K}}^0$ Mixing on $CP$ Asymmetries in Weak Decays of $D$ and $B$ Mesons
• D-Meson Mixing in Broken SU(3)
• Time Dependence of Coherent $P^0{\bar{P}}^0$ Decays and CP Violation at Asymmetric $B$ Factories
• Possible Effects of $D^0-{\bar{D}}^0$ Mixing in Weak $B$ Decays

Cited by in corpus (9)

• The Emergence of the $\Delta U=0$ Rule in Charm Physics
• D^0-\bar{D}^0 Mixing and CP Violation in Neutral D-meson Decays
• Measuring $D^0-{\bar{D}}^0$ Mixing and Relative Strong Phases at a Charm Factory
• Measuring the Relative Strong Phase in $D^0\to K^{\ast +}{K}^{-}$ and $D^0\to K^{\ast -}{K}^{+}$ Decays
• D^0-D^0bar mixing in Υ(1S) \to D^0 D^0bar decay at Super-B
• Strong Phase and $D^0-D^{0}bar$ mixing at BES-III
• Time reversal symmetry violation in entangled pseudoscalar neutral charmed mesons
• D0-anti-D0 Mixing and CP Violation in D0 vs anti-D0 to K*(+-) K(-+) Decays
• A simulation study on the measurement of D0-D0bar mixing parameter y at BES-III