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Automated event generation for loop-induced processes

Hirschi, Valentin; Mattelaer, Olivier

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Authors

Valentin Hirschi

Olivier Mattelaer



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. Many of these are computed here for the first time.

Journal Article Type Article
Acceptance Date Sep 28, 2015
Online Publication Date Oct 22, 2015
Publication Date Oct 31, 2015
Deposit Date Apr 24, 2019
Publicly Available Date Apr 24, 2019
Journal Journal of High Energy Physics
Print ISSN 1126-6708
Publisher Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Peer Reviewed Peer Reviewed
Volume 2015
Issue 10
Article Number 146
DOI https://doi.org/10.1007/jhep10%282015%29146
Public URL https://durham-repository.worktribe.com/output/1332410

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.






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