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We present a search for seven lepton-flavor-violating neutral charm decays ofthe type $D^{0}\rightarrow X^{0} e^{\pm} \mu^{\mp}$, where $X^{0}$ represents a$\pi^{0}$, $K^{0}_{\rm S}$, $\bar{K^{*0}}$, $\rho^{0}$, $\phi$, $\omega$, or$\eta$ meson. The analysis is based on $468$ fb$^{-1}$ of $e^+e^-$ annihilationdata collected at or close to the $\Upsilon(4S)$ resonance with the BaBardetector at the SLAC National Accelerator Laboratory. No significant signalsare observed, and we establish 90\% confidence level upper limits on thebranching fractions in the range $(5.0 - 22.5)\times 10^{-7}$. The limits arebetween one and two orders of magnitude more stringent than previousmeasurements.

Search for lepton-flavor violating decays $D^{0}\rightarrow X^{0}e^{\pm}\mu^{\mp}$