Measurements of the Branching Fraction and Time-Dependent CP Asymmetries of B0 to J/Psi Pi0 decays

Details Measurements of the Branching Fraction and Time-Dependent CP Asymmetries of B0 to J/Psi Pi0 decays Measurements of the Branching Fraction and Time-Dependent CP Asymmetries of B0 to J/Psi Pi0 decays

2006-03-07

arxiv.org/abs/hep-ex/0603012v1

Phys.Rev.D74:011101,2006

Physics

High Energy Physics

High Energy Physics - Experiment

Submitted to PRD-RC

Scientific paper

10.1103/PhysRevD.74.011101

We present measurements of the branching fraction and time-dependent CP asymmetries in B0 -> JPsi pi0 decays based on (231.8 +/- 2.6) x 10**6 asymmetries Y(4S) -> BBbar decays collected with the BaBar detector at the SLAC PEP-II asymmetric-energy B factory. We obtain a branching fraction B(B0 -> JPsi pi0) = (1.94 +/- 0.22 (stat.) +/- 0.17 (syst.)) x 10**-5. We also measure the CP asymmetry parameters C = -0.21 +/- 0.26 (stat.) +/- 0.06 (syst.) and S = -0.68 +/- 0.30 (stat.) +/- 0.04 (syst.).

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