2 papers
hep-ph2000
A new Method for computing One-Loop Integrals
Lars Brucher, Johannes Franzkowski
We present a new program package for calculating one-loop Feynman integrals, based on a new method avoiding Feynman parametrization and the contraction due to Passarino and Veltman…
hep-ph2000
Automatic Feynman diagram calculation with xloops--a short overview
Lars Brucher
xloops is a program package that calculates Feynman diagrams by using computer algebra systems. In this paper it is shown which problems to be solved by computer algebra arise duri…