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Conformal expansions and renormalons

The coefficients in perturbative expansions in gauge theories are factoriallyincreasing, predominantly due to renormalons. This type of factorial increaseis not expected in conformal theories. In QCD conformal relations betweenobservables can be defined in the presence of a perturbative infraredfixe...

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Detalles Bibliográficos
Autores principales: Brodsky, Stanley J., Gardi, Einan, Grunberg, Georges, Rathsman, Johan
Lenguaje:eng
Publicado: 2000
Materias:
Acceso en línea:https://dx.doi.org/10.1103/PhysRevD.63.094017
http://cds.cern.ch/record/425931