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Numerical Evaluation of Feynman Integrals by a Direct Computation Method

By F. Yuasa


A purely numerical method, Direct Computation Method is applied to evaluate Feynman integrals. This method is based on the combination of an efficient numerical integration and an efficient extrapolation. In addition, high-precision arithmetic and parallelization technique can be used in this method if required. We present the recent progress in development of this method and show results such as one-loop 5-point and two-loop 3-point integrals

Year: 2008
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