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Analytic treatment of the two loop equal mass sunrise graph
The two loop equal mass sunrise graph is considered in the continuous d-dimensional regularisation for arbitrary values of the momentum transfer. After recalling the equivalence of the expansions at d=2 and d=4, the second order differential equation for the scalar Master Integral is expanded in (d-...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2004
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| Acceso en línea: | https://dx.doi.org/10.1016/j.nuclphysb.2004.10.044 http://cds.cern.ch/record/743011 |