Dalitz Analysis of the Decay $D^{0}\to K^{-}π^{+}π^{0}$

Details Dalitz Analysis of the Decay $D^{0}\to K^{-}π^{+}π^{0}$ Dalitz Analysis of the Decay $D^{0}\to K^{-}π^{+}π^{0}$

2000-11-20

arxiv.org/abs/hep-ex/0011065v2

Phys.Rev.D63:092001,2001

Physics

High Energy Physics

High Energy Physics - Experiment

32 pages postscript, also available through http://w4.lns.cornell.edu/public/CLNS, Version to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.63.092001

We use data collected with the CLEO II detector to perform a high-statistics measurement of the resonant substructure in $D^0 \to K^-\pi^+\pi^0$ decays. We find the Dalitz Plot is well represented by a combination of seven quasi-two-body decay channels ($\bar{K}^{*0} \pi^0$, $K^- \rho$, $K^{*-} \pi^+$, $K^*_0(1430)^-\pi^+$, $\bar{K}^*_0(1430)^0 \pi^0$, $K^- \rho^+(1700)$, and $K^*(1680)^- \pi^+$), plus a small non-resonant component. Using the amplitudes and phases from this analysis, we calculate an integrated CP asymmetry of $-0.031 \pm 0.086$.

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