Improving the description of multiple interactions in Herwig

Author:

Bellm Johannes,Gieseke Stefan,Kirchgaeßer Patrick

Abstract

AbstractThe modeling of multiple parton interactions in Monte Carlo event generators is a crucial part not only for the dressing of signal processes but also to describe data with a minimum bias on the event selection. Much work has and will be put into the theoretical framework and the numerical implementation of these models. In this contribution, we document various improvements of the multiple parton interaction model of Herwig 7 (Bellm et al. in Eur Phys J C76(4):196, 2016), that lead to an improved description of minimum bias and underlying event data.

Funder

MCnetITN3 H2020 Marie Curie Initial Training Network

H2020 European Research Council

Bundesministerium für Bildung und Forschung

Publisher

Springer Science and Business Media LLC

Subject

Physics and Astronomy (miscellaneous),Engineering (miscellaneous)

Reference50 articles.

1. J. Bellm et al., Herwig 7.0/Herwig++ 3.0 release note. Eur. Phys. J. C 76(4), 196 (2016) arXiv:1512.01178

2. J. Bellm et al., Herwig 7.1 Release Note. arXiv:1705.06919

3. E. Bothmann et al., Event generation with Sherpa 2.2. Sci. Post Phys. 7(3), 034 (2019). arXiv:1905.09127

4. T. Sjostrand, S. Mrenna, P.Z. Skands, PYTHIA 6.4 physics and manual. JHEP 05, 026 (2006). arxiv:hep-ph/0603175

5. T. Sjöstrand, S. Ask, J.R. Christiansen, R. Corke, N. Desai, P. Ilten, S. Mrenna, S. Prestel, C.O. Rasmussen, P.Z. Skands, An Introduction to PYTHIA 8.2. arXiv:1410.3012

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