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Communication Dans Un Congrès Année : 2020

Towards an efficient method to compute two-loop scalar amplitudes

Résumé

We report on an ongoing work initiated by Prof. Shimizu, proposing a method to numerically compute two-loop scalar integrals as sums of two-dimensional integrals of generalised one-loop N-point functions analytically computed and integrated over some simple weight functions. The analytic computation of the generalised one-loop N-point functions in a systematic way motivates a novel approach sketched in this talk.

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Dates et versions

hal-02905199 , version 1 (23-07-2020)

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J.Ph. Guillet, E. Pilon, Y. Shimizu, M.S. Zidi. Towards an efficient method to compute two-loop scalar amplitudes. 19th International Workshop on Advanced Computing and Analysis Techniques in Physics Research, Mar 2019, Saas-Fee, Switzerland. pp.012016, ⟨10.1088/1742-6596/1525/1/012016⟩. ⟨hal-02905199⟩
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