Transverse energy per charged particle at relativistic energies from a statistical model with expansion
Abstract
Transverse energy and charged particle pseudorapidity densities at midrapidity and their ratio, dET/dηmid / 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 sNN=200 GeV. Evaluations are done at freeze-out parameters established independently from 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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