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Hadronic correlations above the chiral/deconfinement transitio

David B. Blaschke ; Fachbereich Physik, Universität Rostock, D-18051 Rostock, Germany; Bogolyubov Laboratory for Theoretical Physics, JINR, 141980 Dubna, Russia
Kyrill A. Bugaev ; Fachbereich Physik, Universität Rostock, D-18051 Rostock, Germany; Bogolyubov Institute for Theoretical Physics, Kiev, Ukraine


Puni tekst: engleski pdf 126 Kb

str. 491-500

preuzimanja: 57

citiraj


Sažetak

The statistical bootstrap model is critically revised in order to include a medium-dependent resonance width in it. We show that a thermodynamic model with a vanishing width below the Hagedorn temperature TH and a Hagedorn spectrum-like width above TH may not only eliminate the divergence of the thermodynamic functions above TH, but also gives a satisfactory description of the lattice quantum chromodynamics data on the energy density above the chiral/deconfinement transition as the main result of this contribution. This model allows us to explain the absence of heavy resonance contributions in the fit of the experimentally measured particle ratios at SPS and RHIC energies.

Ključne riječi

statistical bootstrap model; Mott transition; spectral function; lattice QCD thermodynamics

Hrčak ID:

305714

URI

https://hrcak.srce.hr/305714

Datum izdavanja:

1.6.2004.

Podaci na drugim jezicima: hrvatski

Posjeta: 363 *