SPECIAL ISSUE: Proceedings of the Meeting of the Division of Particles and Fields of the American Physical Society for the Year 2004 (DPF2004) (In 3 Parts), University of California, Riverside, 26–31 August 2004; Editor: John Ellison — Part III; PARALLEL SESSION PAPERS: Session 14: Heavy Flavor Physics — Rare B Decays, Charm, Tau, Tevatron B ResultsNo Access
Search for rare and forbidden decays of D0 → ℓ+ℓ-
https://doi.org/10.1142/S0217751X0502728XCited by:0 (Source: Crossref)
Abstract
We report on a search for the flavor-changing neutral current decays D0 → e+e- and D0 → μ+μ-, and the lepton-flavor violating decay D0 → e±μ∓. The measurement is based on 122 fb-1 of data collected by the BABAR detector at the PEP-II asymmetric e+e- collider. No evidence is found for any of the decays. The upper limits on the branching fractions, at the 90% confidence level, are 1.2 × 10-6 for D0 → e+e-, 1.3 × 10-6 for D0 → μ+μ-, and 8.1 × 10-7 for D0 → e±μ∓.
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