5. Theoretical Physics (CSN4)

A Fully Numerical Approach to One-Loop Amplitudes (by Mauro Moretti)

by Dr Mauro Moretti (U. of Ferrara)

Auleta A1 ()

Auleta A1

We suggest a new approach for the automatic and fully numerical evaluation of one-loop scattering amplitudes in perturbative quantum field theory. We use suitably formulated dispersion relations to perform the calculation as a convolution of tree-level amplitudes. This allows to take advantage of the iterative numerical algorithms for the evaluation of leading order matrix elements
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