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Measurement of CP observables for the decays B±DCP0K±

B. Aubert et al. (BABAR Collaboration)
Phys. Rev. D 73, 051105(R) – Published 15 March 2006

Abstract

We present a study of the decay BD(CP)0K and its charge conjugate, where D(CP)0 is reconstructed in CP-even, CP-odd, and non-CP flavor eigenstates, based on a sample of 232×106 Υ(4S)BB¯ decays collected with the BABAR detector at the PEP-II e+e storage ring. We measure the partial-rate charge asymmetries ACP± and the ratios RCP± of the BD0K decay branching fractions as measured in CP± and non-CP D0 decays: ACP+=0.35±0.13(stat)±0.04(syst), ACP=0.06±0.13(stat)±0.04(syst), RCP+=0.90±0.12(stat)±0.04(syst), and RCP=0.86±0.10(stat)±0.05(syst).

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  • Received 27 December 2005

DOI:https://doi.org/10.1103/PhysRevD.73.051105

©2006 American Physical Society

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Vol. 73, Iss. 5 — 1 March 2006

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