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We present the preliminary result of a search for the decay of
$B^0\rightarrow K^{*+}\rho^-$. The data were recorded with the $BaBar$
detector at the PEPII collider and correspond to 123 million $B\overline{B}$
pairs produced in the $e^+e^-$ annihilation through the $\Upsilon(4S)$ resonance.
We obtain an upper limit on the branching fraction for this decay of
${\cal B}(B^0\rightarrow K^{*+}\rho^-) <24 \times 10^{-6}$ (90\% C.L.). All results are
preliminary.
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