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Search for the rare decays J/ψ→Ds-ρ+ and J/ψ→D¯0K¯*0
Abstract
A search for the rare decays of J/ψ → Dsρ+ + c.c. and J/ψ → D0K∗0 + c.c. is performed with a data sample of 225.3-million J/ψ events collected with the Beijing Spectrometer III detector. No evident signal is observed. Upper limits on the branching fractions are determined to be B(J/ψ → Ds ρ+ + c.c.) < 1.3 × 10-5 and B(J/ψ → D0K ∗0+ c.c.) < 2.5 × 10-6 at the 90% confidence level.
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