Two-loop self-energy diagrams worked out with NDIM

Details Two-loop self-energy diagrams worked out with NDIM Two-loop self-energy diagrams worked out with NDIM

1997-09-19

arxiv.org/abs/hep-th/9709144v1

Eur.Phys.J.C5:175-179,1998

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, 10 pages, 2 figures, styles included

Scientific paper

10.1007/s100520050259

In this work we calculate two two-loop massless Feynman integrals pertaining
to self-energy diagrams using NDIM (Negative Dimensional Integration Method).
We show that the answer we get is 36-fold degenerate. We then consider special
cases of exponents for propagators and the outcoming results compared with
known ones obtained via traditional methods.

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