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Branching Fraction and CP Asymmetries of $B^0 \to K^0_S K^0_S K^0_S$

Authors
Publication Date
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Hal-Diderot
Keywords
  • 13.25.Hw, 11.30.Er, 14.40.Nd
  • [Phys.Hexp] Physics [Physics]/High Energy Physics - Experiment [Hep-Ex]
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Abstract

We present measurements of the branching fraction and time-dependent CP-violating asymmetries in $B^0 \to K^0_s K^0_s K^0_s$ decays based on 227 million $\Upsilon(4S) \to B \bar{B}$ decays collected with the BaBar detector at the PEP-II asymmetric-energy $B$ Factory at SLAC. We obtain a branching fraction of $(6.9^{+0.9}_{-0.8}\pm 0.6)\times 10^{-6},$ and CP asymmetries $C = -0.34^{+0.28}_{-0.25} \pm 0.05$ and $S = -0.71^{+0.38}_{-0.32} \pm 0.04,$ where the first uncertainties are statistical and the second systematic.

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