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Observation of the Singly Cabibbo-Suppressed Decay D⁺ → ωπ⁺ and Evidence for D⁰ → ωπ⁰
(American Physical Society, 2016-02-23)
Based on 2.93 fb⁻¹ e⁺e⁻ collision data taken at center-of-mass energy of 3.773 GeV by the BESIII detector, we report searches for the singly Cabibbo-suppressed decays D⁺ → ωπ⁺ and D⁰ → ωπ⁰. A double tag technique is used ...