paper

Evaluation of Multi-Box Diagrams in Six Dimensions

arXiv:1402.1024 · doi:10.1007/JHEP04(2014)121

Abstract

We present a simple method which simplifies the evaluation of the on-shell multiple box diagrams reducing them to triangle type ones. For the -loop diagram one gets the expression in terms of Feynman parameters with -fold integration. As examples we consider the 2 and 3 loops cases, the numerical integration up to six loops is also presented. The method is valid in six dimensions where neither UV not IR divergences appear.

8 pages, 5 figures, PdfLatex

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