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DOE OSTI · 1238352

Automated event generation for loop-induced processes

Hirschi, Valentin·Mattelaer, Olivier
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Abstract

We present the first fully automated implementation of cross-section computation and event generation for loop-induced processes. This work is integrated in the MadGraph5_aMC@NLO framework. We describe the optimisations implemented at the level of the matrix element evaluation, phase space integration and event generation allowing for the simulation of large multiplicity loop-induced processes. Along with some selected differential observables, we illustrate our results with a table showing inclusive cross-sections for all loop-induced hadronic scattering processes with up to three final states in the SM as well as for some relevant 2 → 4 processes. Furthermore, many of these are computed here for the first time.

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Hirschi, Valentin, Mattelaer, Olivier. 2015-10-22. Automated event generation for loop-induced processes. https://doi.org/10.1007/jhep10(2015)146

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