Augmented Recursion For One-loop Amplitudes
classification
✦ hep-th
keywords
amplitudesone-looprecursionamplitudeaugmentedcalculatingdoublegraviton
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We present a semi-recursive method for calculating the rational parts of one-loop amplitudes when recursion produces double poles. We illustrate this with the graviton scattering amplitude M^{1-loop}(1-, 2+, 3+, 4+, 5+).
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