The Development of MPI Modeling in Pythia

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    Abstract

    Many of the basic ideas in multiparton interaction (MPI) phenomenology were first developed in the context of the Pythia event generator, and MPIs have been central in its modeling of both minimum-bias (MB) and underlying-event physics in one unified framework. This chapter traces the evolution towards an increasingly sophisticated description of MPIs in Pythia, including topics such as the ordering of MPIs, the regularization of the divergent QCD cross-section, the impact-parameter picture, color reconnection, multiparton PDFs and beam remnants, interleaved and intertwined evolution, and diffraction.

    Original languageEnglish
    Title of host publicationMultiple Parton Interactions at the LHC
    PublisherWorld Scientific Publishing
    Pages191-225
    Number of pages35
    ISBN (Electronic)978-981-3227-77-4
    ISBN (Print)978-981-3227-75-0
    DOIs
    Publication statusPublished - 2019

    Publication series

    NameAdvanced Series on Directions in High Energy Physics
    Volume29
    ISSN (Print)1793-1339

    Subject classification (UKÄ)

    • Subatomic Physics

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