Search for the Rare Decays B0 -> Ds(*)+ a0(2)-

Details Search for the Rare Decays B0 -> Ds(*)+ a0(2)- Search for the Rare Decays B0 -> Ds(*)+ a0(2)-

2005-12-13

arxiv.org/abs/hep-ex/0512031v1

Phys.Rev.D73:071103,2006

Physics

High Energy Physics

High Energy Physics - Experiment

8 pages, 8 postscript figues, submitted to PRD-RC

Scientific paper

10.1103/PhysRevD.73.071103

We have searched for the decays $B^0 \rightarrow D_s^{+}a_0^-$, $B^0 \rightarrow D_s^{*+}a_0^-$, $B^0 \rightarrow D_s^{+}a_2^-$ and $B^0 \rightarrow D_s^{*+}a_2^-$ in a sample of about 230 million $\Upsilon(4S) \rightarrow B{\bar B}$ decays collected with the {\sl BaBar} detector at the PEP-II asymmetric-energy $B$-factory at SLAC. We find no evidence for these decays and set upper limits at 90\% C.L. on the branching fractions: ${\cal B}(B^0 \rightarrow D_s^+ a_0^-) < 1.9\times 10^{-5}$, ${\cal B}(B^0 \rightarrow D_s^{*+} a_0^-) < 3.6\times 10^{-5}$, ${\cal B}(B^0 \rightarrow D_s^+ a_2^-) < 1.9 \times 10^{-4}$, and ${\cal B}(B^0 \rightarrow D_s^{*+} a_2^-) < 2.0\times 10^{-4} $.

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