The study delves into the production of (multi-) strange hadrons in proton-proton collisions at LHC. Novel observables are proposed to distinguish between Epos4 , based on core-corona separation between a thermalised QGP phase and a vacuum phase with global strangeness conservation, and Pythia 8.3 , based on microscopic interactions between Lund strings that conserve strangeness locally. Correlations between a φ ϕ meson and (multi-)strange hadrons are shown to be an excellent discriminator between the two types of models.
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Bierlich et al. (2024) studied this question.
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