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    • Search for the Decay Modes D⁰ → e⁺e⁻, D⁰ → μ⁺μ⁻, and D⁰ → e^{±} μ^{∓} 

      Lees, J. P.; Poireau, V.; Tisserand, V.; Garra Tico, J.; Grauges, E.; Palano, A.; Eigen, G.; Izen, Joseph M.; Lou, Xinchou; BaBar Collaboration (Amer Physical Soc, 2012-08-01)
      We present searches for the rare decay modes D0→e +e -, D0→μ +μ -, and D0→e ±μ ∓ in continuum e +e -→cc̄ events recorded by the BABAR detector in a data sample that corresponds to an integrated luminosity of 468fb -1. ...