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Description of the RHIC p_T-spectra in a thermal model with expansion
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The assumption of simultaneous chemical and thermal freeze-outs of the hadron gas leads to a surprisingly accurate, albeit entirely conventional, explanation of the recently-measured RHIC pT spectra. The original thermal spectra are supplied with secondaries from decays of all resonances, and subsequently folded with a suitably parameterized expansion involving longitudinal and transverse flow. The predictions of this thermal approach, with various parametrizations for the expansion, are in a striking quantitative agreement with the data in the whole available range of 0 < pT < 3.5GeV.
Forward citations
Cited by 6 Pith papers
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Kinetic freeze-out temperature from yields of short-lived resonances
The kinetic freeze-out temperature in Pb-Pb collisions at 2.76 TeV is extracted from ALICE yields of stable hadrons and short-lived resonances using a partial-chemical-equilibrium hadron resonance gas model, dropping ...
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Temperatures and chemical potentials at kinetic freeze-out in relativistic heavy ion collisions from coarse grained transport simulations
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An expanding spherical fireball model for light hadron production at RHIC ($\sqrt{s_{\rm NN}}=7.7$--$39$ GeV)
An expanding spherical fireball model with Cooper–Frye freeze-out describes STAR pT spectra of π±, K±, p, p̄ at √sNN=7.7–39 GeV and predicts Gaussian rapidity distributions.
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Kinetic freeze-out in central heavy-ion collisions between 7.7 and 2760 GeV per nucleon pair
The kinetic freeze-out temperature from blast-wave fits drops from about 100 MeV at 7.7 GeV to about 80 MeV at 2.76 TeV, while transverse flow grows from 0.45 to 0.65.
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Spectra and elliptic flow of light hadrons in an expanding fire-cylinder model for the RHIC Beam Energy Scan
An expanding fire-cylinder model fitted to pion pT spectra describes spectra of other light hadrons and qualitatively matches their elliptic flow in peripheral Au+Au collisions at BES energies.
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Thermodynamic Analysis of Transverse Momentum Spectra in Pb-Pb Collisions at 2.76 TeV: Centrality Dependence of Temperature, Freezeout Parameters and Non-Extensitivity
Individual Tsallis fits to ALICE Pb-Pb 2.76 TeV pion, kaon, and proton spectra give effective temperatures and freezeout volumes that rise toward central collisions while the nonextensivity parameter q falls, a patter...
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