Dalitz plot analysis of D0K¯0K+K

B. Aubert et al.
Phys. Rev. D 72, 052008 – Published 29 September 2005

Abstract

A Dalitz plot analysis of approximately 12 500 D0 events reconstructed in the hadronic decay D0K¯0K+K is presented. This analysis is based on a data sample of 91.5fb1 collected with the BABAR detector at the PEP-II asymmetric-energy e+e storage rings at SLAC running at center-of-mass energies on and 40 MeV below the Υ(4S) resonance. The events are selected from e+ecc¯ annihilations using the decay D*+D0π+. The following ratio of branching fractions has been obtained: BR=Γ(D0K¯0K+K)Γ(D0K¯0π+π)=(15.8±0.1(stat.)±0.5(syst.))×102. Estimates of fractions and phases for resonant and nonresonant contributions to the Dalitz plot are also presented. The a0(980)K¯K projection has been extracted with little background. A search for CP asymmetries on the Dalitz plot has been performed.

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  • Received 4 July 2005

DOI:https://doi.org/10.1103/PhysRevD.72.052008

©2005 American Physical Society

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Vol. 72, Iss. 5 — 1 September 2005

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