Measurement of Time-Dependent CP Asymmetry in B0->ccbar K(*)0 Decays

Details Measurement of Time-Dependent CP Asymmetry in B0->ccbar K(*)0 Decays Measurement of Time-Dependent CP Asymmetry in B0->ccbar K(*)0 Decays

2009-02-10

arxiv.org/abs/0902.1708v2

Phys.Rev.D79:072009,2009

Physics

High Energy Physics

High Energy Physics - Experiment

Minor changes of the text and reference for the publication

Scientific paper

10.1103/PhysRevD.79.072009

We present updated measurements of time-dependent CP asymmetries in fully reconstructed neutral B decays containing a charmonium meson. The measurements reported here use a data sample of (465+/-5) million Upsilon(4S)->BBbar decays collected with the Babar detector at the PEPII asymmetric energy e+e- storage rings operating at the SLAC National Accelerator Laboratory. The time-dependent CP asymmetry parameters measured from JpsiKs, JpsiKL, Psi(2S)Ks, Chi_c1Ks, eta_cKs and JpsiK*0 decays are: C_f = 0.024+/-0.020(stat)+/-0.016(syst) and -\eta_f S_f = 0.687+/-0.028(stat)+/-0.012(syst).

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