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Process gamma sup *gamma -> sigma at large virtuality of gamma sup *
The process gamma sup *gamma -> sigma is investigated in the framework of the SU(2) x SU(2) chiral Nambu-Jona-Lasinio model. The form factor of the process is derived for arbitrary virtuality of gamma sup * in the Euclidean kinematic domain. The asymptotic behaviour of this form factor resembles...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
2002
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/747560 |