Searches for B0 decays to eta K0, eta eta, eta' eta', eta phi, and eta' phi

Details Searches for B0 decays to eta K0, eta eta, eta' eta', eta phi, and eta' phi Searches for B0 decays to eta K0, eta eta, eta' eta', eta phi, and eta' phi

2006-07-26

arxiv.org/abs/hep-ex/0607063v1

Phys.Rev.D74:051106,2006

Physics

High Energy Physics

High Energy Physics - Experiment

Submitted to Phys. Rev. D (Rapid Communications)

Scientific paper

10.1103/PhysRevD.74.051106

We search for B0 meson decays into two-body combinations of K0, eta, eta', and phi mesons in 324 million B Bbar pairs collected with the BaBar detector at the PEP-II asymmetric-energy e+e- collider at SLAC. We measure the following branching fractions (upper limits at 90% confidence level) in units of 10^{-6}: Br(B0->eta K0) =1.8+0.7-0.6 +-0.1(2.9), Br(B0->eta eta)=1.1+0.5-0.4 +-0.1(1.8), Br(B0->eta phi)=0.1+-0.2 +-0.1(0.6), Br(B0->eta' phi)=0.2+0.4-0.3 +-0.1(1.0), Br(B0->eta' eta')=1.0+0.8-0.6 +-0.1(2.4), where the first error is statistical and the second systematic.

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