English

Hadronisation in event generators from small to large systems

Nuclear Theory 2024-01-19 v1 High Energy Physics - Phenomenology Nuclear Experiment

Abstract

The results of the dynamical core-corona initialisation framework in p+p and Pb+Pb collisions at the LHC energies are presented. We extract the fractions of final hadron yields originating from equilibrated and non-equilibrated matter as functions of multiplicity. We show that the contribution from non-equilibrated matter is non-negligible even in intermediate and central Pb+Pb collisions. The particle production from non-equilibrated matter behaves as a correction on c2{4}c_2\{4\} that is purely obtained from the equilibrated matter. The result poses a warning on Bayesian parameter estimation with conventional hydrodynamic models. The observed flow coefficients might need a reinterpretation with new dynamical models which incorporate the particle production from non-equilibrated matter.

Keywords

Cite

@article{arxiv.2401.09571,
  title  = {Hadronisation in event generators from small to large systems},
  author = {Yuuka Kanakubo and Yasuki Tachibana and Tetsufumi Hirano},
  journal= {arXiv preprint arXiv:2401.09571},
  year   = {2024}
}

Comments

5 pages, 1 figure, contribution to the proceedings of the 11th edition of the Large Hadron Collider Physics (LHCP2023)

R2 v1 2026-06-28T14:19:48.491Z