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Transverse energy per charged particle at relativistic energies from a statistical model with expansion

  • D. ProrokEmail author
Article

Abstract.

Transverse-energy and charged-particle pseudorapidity densities at midrapidity and their ratio, dET/dη|mid/dNch/dη|mid, are evaluated in a statistical model with longitudinal and transverse flows for the wide range of colliders, from AGS to RHIC at \( \sqrt{{s_{NN}}}\) = 200 GeV. Evaluations are done at freeze-out parameters obtained from independent fits to observed particle yields and pT spectra. Decays of hadron resonances are treated thoroughly and are included in derivations of dET/dη|mid and dNch/dη|mid. The predictions of the model agree well with the experimental data. However, some (explicable) overestimation of the ratio has been observed.

PACS.

25.75.-q Relativistic heavy-ion collisions 25.75.Dw Particle and resonance production 24.10.Pa Thermal and statistical models 24.10.Jv Relativistic models 

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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2005

Authors and Affiliations

  1. 1.Institute of Theoretical PhysicsUniversity of WrocławWrocławPoland

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