Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2008-10-20
Physics
High Energy Physics
High Energy Physics - Experiment
Submitted to the proceedings of the 34th International Conference on High Energy Physics, Philadelphia, 2008. 6 pages, 4 figur
Scientific paper
Quantum correlations in $\psi(3770) \to D^0\bar{D}^0$ provide unique access to information about strong phase differences. Precision determination of the CKM phase $\gamma/\phi_3$ via $B \to D K$ decays depends upon constraints on charm mixing amplitudes, measurements of doubly-Cabibbo suppressed amplitudes and relative phases, and studies of correlated charmed meson decays tagged by flavor or CP eigenstates. CP-tagged $D^0 \to K^-\pi^+\pi^-\pi^+$ decays and CP-tagged $D^0 \to K^0_S\pi^+\pi^-$ Dalitz plots are only available at CLEO-c. Using the 818 pb$^{-1}$ CLEO-c data sample produced by the Cornell Electron Storage Ring (CESR) at $\sqrt{s} = 3.77$ GeV, we perform analyses of these decays. We describe the techniques used to measure the $D$-decay parameters, and the CLEO-c impact on measurements of $\gamma/\phi_3$.
CLEO collaboration for the
Naik Paras
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