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

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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.

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Authors and Affiliations

  1. Institute of Theoretical Physics, University of Wrocław, Pl. Maksa Borna 9, 50-204, Wrocław, Poland

    D. Prorok

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  1. D. Prorok
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A. Molinari

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Prorok, D. Transverse energy per charged particle at relativistic energies from a statistical model with expansion. Eur. Phys. J. A 24, 93–100 (2005). https://doi.org/10.1140/epja/i2004-10123-8

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  • DOI: https://doi.org/10.1140/epja/i2004-10123-8

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