Search for D0D¯0 mixing in the Dalitz plot analysis of D0KS0π+π

D. M. Asner et al. (CLEO Collaboration)
Phys. Rev. D 72, 012001 – Published 5 July 2005

Abstract

The resonant substructure in D0KS0π+π decays is described by a combination of ten quasi two-body intermediate states which include both CP-even and CP-odd eigenstates and one doubly Cabibbo suppressed channel. We present a formalism that connects the variation in D0 decay time over the Dalitz plot with the mixing parameters, x and y, that describe off-shell and on-shell D0D¯0 mixing. We analyze the CLEO II.V data sample and find the parameters x and y are consistent with zero. We limit (4.5<x<9.3)% and (6.4<y<3.6)% at the 95% confidence level.

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  • Received 19 March 2005

DOI:https://doi.org/10.1103/PhysRevD.72.012001

©2005 American Physical Society

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Vol. 72, Iss. 1 — 1 July 2005

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