TTP - TTP08-47 New Methods for the Calculation of Multi-Loop Amplitudes

Institute for Theoretical Particle Physics (TTP)

We present a brief review of current methods for the calculation of multi-loop amplitudes including recent developments. As an example we present the calculation of the second moment of the heavy quark current correlator and the extraction of the values of the charm and bottom quark masses using the results of this calculation.

P. Marquard

Parallel talk at ICHEP08, Talk given at 34th International Conference on High Energy Physics (ICHEP 2008), Philadelphia, Pennsylvania, 30 Jul - 5 Aug 2008

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TTP08-47 New Methods for the Calculation of Multi-Loop Amplitudes

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