Thermal hadron production in relativistic nuclear collisions

A. Andronic; J. Stachel; P. Braun-Munzinger

Thermal hadron production in relativistic nuclear collisions

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arxiv 0901.2909 v2 pith:T5WMDZT5 submitted 2009-01-19 nucl-th

A. Andronic , P. Braun-Munzinger , J. Stachel This is my paper · ORCID

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keywords collisionsdescriptionhadronproductioncentralconnectiondatadependence

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abstract

We present the status of the description of hadron production in central nucleus-nucleus collisions within the statistical model . Extending previous studies by inclusion of very high-mass resonances (m>2 GeV), and the up-to-now neglected scalar $\sigma$ meson leads to an improved description of the data. In particular, the hitherto poorly reproduced energy dependence of the K+/pi+ ratio at SPS energies ("the horn") is now well described through the connection to the hadronic mass spectrum and, implicitly, Hagedorn's limiting temperature.

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Determining the Duration of the Hadronic Stage at RHIC-BES Energies via Resonance Suppression Using a Full Set of Rate Equations
nucl-th 2025-01 conditional novelty 5.0 of 10

Regeneration keeps K*/K falling linearly with time, giving hadronic-stage lifetimes 2 to 4 times longer than the exponential-decay estimate used by STAR.

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