Observation of the Dalitz Decay $D_{s}^{*+} \to D_{s}^{+} e^{+} e^{-}$

Observation of the Dalitz Decay $D_{s}^{*+} \to D_{s}^{+} e^{+} e^{-}$

Using 586 $\textrm{pb}^{-1}$ of $e^{+}e^{-}$ collision data acquired at $\sqrt{s}=4.170$ GeV with the CLEO-c detector at the Cornell Electron Storage Ring, we report the first observation of $D_{s}^{*+} \to D_{s}^{+} e^{+} e^{-}$ with a significance of $5.3 \sigma$. The ratio of branching fractions...

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Main Authors: Cronin-Hennessy, D, Hietala, J, Dobbs, S, Metreveli, Z, Seth, K, Tomaradze, A, Xiao, T, Martin, L, Powell, A, Wilkinson, G, Mendez, H, Ge, J, Miller, D, Shipsey, I, Xin, B, Adams, G, Hu, D, Moziak, B, Napolitano, J, Ecklund, K, Insler, J, Muramatsu, H, Park, C, Pearson, L, Thorndike, E
格式: Journal article
语言:English
出版: 2011

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