Final-State Phases in Doubly-Cabibbo-Suppressed Charmed Meson Nonleptonic Decays

Details Final-State Phases in Doubly-Cabibbo-Suppressed Charmed Meson Nonleptonic Decays Final-State Phases in Doubly-Cabibbo-Suppressed Charmed Meson Nonleptonic Decays

2001-10-30

arxiv.org/abs/hep-ph/0110394v2

Phys.Rev. D65 (2002) 054007

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, LaTeX, 2 figures, to be submitted to Phys. Rev. D. Revised version

Scientific paper

10.1103/PhysRevD.65.054007

Cabibbo-favored nonleptonic charmed particle decays exhibit large final-state phase differences in $\bar K \pi$ and $\bar K^* \pi$ but not $\bar K \rho$ channels. It is of interest to know the corresponding pattern of final-state phases in doubly-Cabibbo-suppressed decays, governed by the $c \to d u \bar s$ subprocess. An experimental program is outlined for determining such phases via measurements of rates for $D \to K^* \pi$ and $K (\rho, \omega,\phi)$ channels, and determination of interference between bands in Dalitz plots. Such a program is feasible at planned high-intensity sources of charmed particles.

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