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Browsing by Author "Cleymans, J"

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Centrality dependence of thermal parameters deduced from hadron multiplicities in Au+Au collisions at √sN N = 130 GeV

Author: Cleymans, J ; Kampfer, B ; Kaneta, M ; Wheaton, S ; Xu, N Date: 2005 We analyze the centrality dependence of thermal parameters deduced from hadron multiplicities in Au+Au collisions at √sNN = 130 GeV. Although the chemical freeze-out temperature and chemical potentials are found to be roughly centrality ... Read more
On the chemical equilibration of strangeness-exchange reactions in heavy-ion collisions

Author: Cleymans, J ; Forster, A ; Oeschler, H ; Redlich, K ; Uhlig, F Date: 2005 The strangeness-exchange reaction π + Y ↔ K− + N is shown to be the dynamical origin of chemical saturation and equilibration for K− production in heavy-ion collisions up to beam energies of 10 AGeV. The hyperons occurring in this process are ... Read more
Probability distributions in statistical ensembles with conserved charges

Author: Cleymans, J ; Redlich, K ; Turko, L Date: 2005 The probability distributions for charged particle numbers and their densities are derived in statistical ensembles with conservation laws. It is shown that if this limit is properly taken, then the canonical and grand canonical ensembles are ... Read more
Towards strangeness saturation in central heavy-ion collisions at high energies

Author: Cleymans, J ; Kämpfer, B ; Wheaton, S Date: 2003 It is now well established that particle abundances can be described by statistical-thermal models. In such a way, a large number of observables can be reproduced with a small number of parameters, namely the temperature, baryo-chemical ... Read more
Transition from baryonic to mesonic freeze-out

Author: Cleymans, J ; Oeschler, H ; Redlich, K ; Wheaton, S Date: 2005 The recently discovered sharp peak in the K+/π+ ratio in relativistic heavy-ion collisions is discussed in the framework of the statistical model. In this model a rapid change is expected as the hadronic gas undergoes a transition from a ... Read more c b

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