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An Analysis of the Inclusive $\Upsilon (1S) \to \eta^\prime X$ Decay and Constraints on the $\eta^\prime$-Meson Distribution Amplitudes
We calculate the $\eta^\prime$-meson energy spectrum in the $\Upsilon (1S) \to \eta^\prime g g g \to \eta^\prime X$ decay 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, Ahmed, 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/epjcd/s2003-03-215-1 http://cds.cern.ch/record/678166 |
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