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arxiv: 0911.0252 · v2 · submitted 2009-11-02 · ✦ hep-ph

Space-time dimensionality D as complex variable: calculating loop integrals using dimensional recurrence relation and analytical properties with respect to D

R.N. Lee This is my paper
classification ✦ hep-ph
keywords analyticalintegralsloopcomplexdimensionaldimensionalitypropertiesrecurrence
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We show that dimensional recurrence relation and analytical properties of the loop integrals as functions of complex variable $\mathcal{D}$ (space-time dimensionality) provide a regular way to derive analytical representations of loop integrals. The representations derived have a form of exponentially converging sums. Several examples of the developed technique are given.

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