Reductions and Contractions of 1-loop Tensor Feynman Integrals

Abstract

We report on the progress in constructing contracted one-loop tensors. Analytic results for rank R=4 tensors, cross-checked numerically, are presented for the first time.

Presented by I. Dubovyk and T. Riemann at the International Conference of Theoretical Physics "Matter To The Deepest", Ustron 2013