Measurement of Time-Dependent CP-Violating Asymmetries in B0 -> KsKsKs Decay Measurement of Time-Dependent CP-Violating Asymmetries in B0 -> KsKsKs Decay

Details Measurement of Time-Dependent CP-Violating Asymmetries in B0 -> KsKsKs Decay Measurement of Time-Dependent CP-Violating Asymmetries in B0 -> KsKsKs Decay Measurement of Time-Dependent CP-Violating Asymmetries in B0 -> KsKsKs Decay Measurement of Time-Dependent CP-Violating Asymmetries in B0 -> KsKsKs Decay

2005-03-13

arxiv.org/abs/hep-ex/0503023v3

Phys.Rev.Lett.95:061801,2005

Physics

High Energy Physics

High Energy Physics - Experiment

10 pages, 2 figures 10 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.95.061801

We present a measurement of CP-violation parameters in the B0 -> KsKsKs decay based on a sample of 275 x 10^6 BBbar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB energy-asymmetric e+e- collider. One neutral B meson is fully reconstructed in the decay B0 -> KsKsKs, and the flavor of the accompanying B meson is identified from its decay products. CP-violation parameters are obtained from the asymmetry in the distributions of the proper-time interval between the two B decays: S = +1.26 +/- 0.68(stat) +/- 0.20(syst) and A = +0.54 +/- 0.34(stat) +/- 0.09(syst). We present a measurement of CP-violation parameters in the B0 -> KsKsKs decay based on a sample of 275 x 10^6 BBbar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB energy-asymmetric e+e- collider. One neutral B meson is fully reconstructed in the decay B0 -> KsKsKs, and the flavor of the accompanying B meson is identified from its decay products. CP-violation parameters are obtained from the asymmetry in the distributions of the proper-time interval between the two B decays: S = +1.26 +/- 0.68(stat) +/- 0.20(syst) and A = +0.54 +/- 0.34(stat) +/- 0.09(syst).

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