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  • Publication . Article . Preprint . 2018
    Open Access English
    Authors: 
    Christian Bierlich; Gösta Gustafson; Leif Lönnblad;
    Publisher: Elsevier
    Project: EC | MCnetITN3 (722104), EC | MorePheno (668679)

    We present a microscopic model for collective effects in high multiplicity proton--proton collisions, where multiple partonic subcollisions give rise to a dense system of strings. From lattice calculations we know that QCD strings are transversely extended, and we argue that this should result in a transverse pressure and expansion, similar to the flow in a deconfined plasma. The model is implemented in the PYTHIA8 Monte Carlo event generator, and we find that it can qualitatively reproduce the long range azimuthal correlations forming a near-side ridge in high multiplicity proton--proton events at LHC energies. 12 pages, 4 figures

Include:
1 Research products, page 1 of 1
  • Publication . Article . Preprint . 2018
    Open Access English
    Authors: 
    Christian Bierlich; Gösta Gustafson; Leif Lönnblad;
    Publisher: Elsevier
    Project: EC | MCnetITN3 (722104), EC | MorePheno (668679)

    We present a microscopic model for collective effects in high multiplicity proton--proton collisions, where multiple partonic subcollisions give rise to a dense system of strings. From lattice calculations we know that QCD strings are transversely extended, and we argue that this should result in a transverse pressure and expansion, similar to the flow in a deconfined plasma. The model is implemented in the PYTHIA8 Monte Carlo event generator, and we find that it can qualitatively reproduce the long range azimuthal correlations forming a near-side ridge in high multiplicity proton--proton events at LHC energies. 12 pages, 4 figures

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