J/ψ and ψ(2S) radiative transitions to ηc

J/ψ and ψ(2S) radiative transitions to ηc

Using 2.45×107 ψ(2S) decays collected with the CLEO-c detector at the Cornell Electron Storage Ring we present the most precise measurements of magnetic dipole transitions in the charmonium system. We measure B(ψ(2S)→γηc)=(4.32±0.16±0.60)×10-3, B(J/ψ→γηc)/B(ψ(2S)→γηc)=4.59±0. 23±0.64, and B(J/ψ→γηc)...

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Príomhchruthaitheoirí:	Mitchell, R, Shepherd, MR, Besson, D, Pedlar, T, Cronin-Hennessy, D, Gao, K, Hietala, J, Kubota, Y, Klein, T, Lang, B, Poling, R, Scott, A, Zweber, P, Dobbs, S, Metreveli, Z, Seth, K, Tomaradze, A, Libby, J, Powell, A, Wilkinson, G, Ecklund, K, Love, W, Savinov, V, Lopez, A, Mendez, H
Formáid:	Journal article
Teanga:	English
Foilsithe / Cruthaithe:	2009

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