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An Analysis of the Inclusive Decay $\Upsilon (1S) \to \eta^\prime X$ and Constraints on the $\eta^\prime$-Meson Distribution Amplitudes
We calculate the $\eta^\prime$-meson energy spectrum in the decay $\Upsilon (1S) \to \eta^\prime g g g \to \eta^\prime X$ in the leading-order perturbative QCD in the static quark limit for the Orthoquarkonium. Our principal result is the extraction of parameters of the $\eta^\prime g^* g$ effective...
Autores principales: | Ali, A., Parkhomenko, A.Ya. |
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Lenguaje: | eng |
Publicado: |
2003
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1140/epjc/s2003-01260-y http://cds.cern.ch/record/614870 |
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