Limits on flavor changing neutral currents in D0 meson decays

CLEO Collaboration

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Abstract

Using the CLEO II detector at the Cornell Electron Storage Ring, we have searched for flavor changing neutral currents and lepton family number violations in D0 meson decays. The upper limits on the branching fractions for D0 → ℓ+ and D0 → X0+ are in the range 10−5 to 10−4, where X0 can be π0, K0s, η, ρ0ω, K¯*0, or φmeson, and the ℓ+ pair can be e+e, μ+μ, or e± μ. Although these limits are above the theoretical predictions, most are new or an order of magnitude lower than previous limits.

Original languageEnglish
Pages (from-to)3065-3069
Number of pages5
JournalPhysical Review Letters
Volume76
Issue number17
DOIs
Publication statusPublished - 1996 Apr 22

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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