A shoving model for collectivity in hadronic collisions

Abstract

An extension of the rope hadronization model, which has previously provided good descriptions of hadrochemistry in high multiplicity pp collisions, is presented. The extension includes a dynamically generated transverse pressure, produced by the excess energy from overlapping strings. We find that this model can qualitatively reproduce soft features of Quark Gluon Plasma in small systems, such as higher $⟨p_{\perp }⟩$ for heavier particles and long range azimuthal correlations forming a ridge. The effects are similar to those obtained from a hydrodynamic expansion, but without assuming a thermalized medium.

arXiv comment8 pages, 3 figures

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• Observables for possible QGP signatures in central pp collisions
• Soft modifications to jet fragmentation in high energy proton-proton collisions
• Exploring Origins for Correlations between Flow Harmonics and Transverse Momentum in Small Collision Systems (Unambiguous Ambiguity)
• Collective Effects: the viewpoint of HEP MC codes
• The Development of MPI Modelling in PYTHIA
• String Fragmentation with a Time-Dependent Tension
• Studies of heavy-ion collisions using PYTHIA Angantyr and UrQMD
• Hadronic Rescattering in pA and AA Collisions