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Global approximants with renormalization scale invariance in pQCD
Truncated perturbative series (TPS's) of any observable have the unphysical dependence on the choice of the renormalization scale (RScl). The diagonal Padé approximants (dPA's) to any TPS of an observable possess the favorable property of being invariant in the large-${\beta_0}$ limit. Thi...
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| Lenguaje: | eng |
| Publicado: |
1999
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| Acceso en línea: | https://dx.doi.org/10.1016/S0920-5632(99)00189-9 http://cds.cern.ch/record/362090 |