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Constraining MPI models using σ eff and recent Tevatron and LHC Underlying Event data

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Abstract

We review the modelling of multiple interactions in the event generator Herwig++ and study implications of recent tuning efforts to Tevatron and LHC data. It is often said that measurements of the effective cross section for double-parton scattering, σ eff , are in contradiction with models of the final state of multi-parton interactions, but we show that the Herwig++ model is consistent with both and gives stable predictions for underlying event observables at 14 TeV.

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Authors and Affiliations

  1. Consortium for Fundamental Physics, School of Physics and Astronomy, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K.

    M. H. Seymour & A. Siódmok

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  1. M. H. Seymour
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  2. A. Siódmok
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Correspondence to M. H. Seymour.

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ArXiv ePrint: 1307.5015

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Seymour, M.H., Siódmok, A. Constraining MPI models using σ eff and recent Tevatron and LHC Underlying Event data. J. High Energ. Phys. 2013, 113 (2013). https://doi.org/10.1007/JHEP10(2013)113

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  • DOI: https://doi.org/10.1007/JHEP10(2013)113

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