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

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

2005-02-04

arxiv.org/abs/hep-ex/0502013v1

Phys.Rev.Lett.95:011801,2005

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 2 postscript figues, submitted to PRL

Scientific paper

10.1103/PhysRevLett.95.011801

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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