Dependence of hadron spectra on decoupling temperature and resonance contributions
High Energy Physics - Phenomenology
2009-11-07 v2 Nuclear Theory
Abstract
Using equilibrium hydrodynamics with initial conditions for the energy and net baryon number densities from the perturbative QCD + saturation model, a good simultaneous description of the measured pion, kaon and (anti)proton spectra in central Au+Au collisions at GeV is found with a single decoupling temperature MeV. The interplay between the resonance content of the EoS and the development of the transverse flow leads to inverse slopes and of hadrons which increase with decreasing . The origin of this result is discussed.
Keywords
Cite
@article{arxiv.hep-ph/0206230,
title = {Dependence of hadron spectra on decoupling temperature and resonance contributions},
author = {K. J. Eskola and H. Niemi and P. V. Ruuskanen and S. S. Räsänen},
journal= {arXiv preprint arXiv:hep-ph/0206230},
year = {2009}
}
Comments
4 pages, 2 eps-figures. Section 3 rewritten, table 1 and figure 1 redrawn, 2 references added