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The $\eta^{'} g^{*} g^{(*)}$ Vertex Including the $\eta^{'}$-Meson Mass
The $eta^prime g^* g^{(*)}$ effective vertex function is calculated in the QCD hard-scattering approach, taking into account the $eta^prime$-meson mass. We work in the approximation in which only one non-leading Gegenbauer moment for both the quark-antiquark and the gluonic light-cone distribution a...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2003
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1140/epjc/s2003-01302-6 http://cds.cern.ch/record/627425 |