13 citations · 13 across the 3 of their papers we have counts for
6 papers
Golem95C: A library for one-loop integrals with complex masses
G. Cullen, J. -Ph. Guillet, G. Heinrich +4
We present a program for the numerical evaluation of scalar integrals and tensor form factors entering the calculation of one-loop amplitudes which supports the use of complex mass…
Modern Feynman Diagrammatic One-Loop Calculations
Thomas Reiter, Gavin Cullen, Nicolas Greiner +14
In this talk we present techniques for calculating one-loop amplitudes for multi-leg processes using Feynman diagrammatic methods in a semi-algebraic context. Our approach combines…
Recent Progress in the Golem Project
Gavin Cullen, Nicolas Greiner, Alberto Guffanti +10
We report on the current status of the Golem project which aims at the construction of a general one-loop evaluator for matrix elements. We construct the one-loop matrix elements f…
Using Feynman's Tree Theorem to Evaluate Loop Integrals Numerically
Wolfgang Kilian, Tobias Kleinschmidt
We report on a new method for the numerical evaluation of loop integrals, based on the Feynman Tree Theorem. The loop integrals are replaced by phase-space integration over fictiti…
Numerical Evaluation of Feynman Loop Integrals by Reduction to Tree Graphs
Wolfgang Kilian, Tobias Kleinschmidt
We present a new method for the numerical evaluation of loop integrals which is based on the Feynman Tree Theorem. The loop integrals are replaced by phase-space integration over f…
B-Meson Properties from Modified Sum Rule Analyses
Tobias Kleinschmidt
We introduce two approaches to analyses of Borel sum rules. In the first method, we take the Borel mass M2 to infinity. Here, the sum rules become very sensitive to the chosen thre…