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Quarkonium Photoproduction at Next-to-leading Order
We present the calculation of O(as^2 aem) corrections to heavy-quarkonium total photoproduction cross-sections. Results are given for the colour-octet component of S and P waves. The calculation is performed using covariant projectors in dimensional regularization. A phenomenological study of the re...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
1997
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/S0550-3213(98)00048-0 http://cds.cern.ch/record/332011 |