Probing the boundaries of the Hadronic Phase through a Strangeness including Statistical Bootstrap Model (S-SBM)

Abstract

A recently constructed strangeness-including Statistical Bootstrap Model (S-SBM), which defines the limits of the hadronic phase and provides for a phase beyond, is further extended so as to include a factor that describes strangeness suppression. The model is then used to analyse the multiplicity data from collision experiments in which the colliding entities form isospin symmetric systems, the primary focus being on S+S interactions (NA35 collaboration). An optimal set of thermodynamical variables is extracted through a fit to both the inclusive full phase space and midrapidity data. The assumption that the measured particles originate from a thermally and partial-chemically equilibrated source described by the S-SBM is satisfactorily established. The proximity of the thermodynamical variables extracted from the S+S data to the limits of the hadronic phase is systematically investigated. Finally, experimental data from proton-antiproton collisions (UA5 collaboration) are similarly analysed.

39 pages, 17 figures, all the figures joined in one file. Submitted in Phys. Rev. D

References in corpus (6)

• Evidence for a high entropy phase in nuclear collisions
• Hot hadronic matter and strange anti-baryons
• Chemical equilibration of strangeness
• Thermal hadron production in high energy collisions
• An extension of the Statistical Bootstrap Model to include Strangeness. Implications on Particle Ratios
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Cited by in corpus (7)

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• Bootstraping the QCD Critical Point
• The order, shape and critical point for the quark-gluon plasma phase transition
• The Critical Endpoint of Bootstrap and Lattice QCD Matter
• Strangeness counting in high energy collisions
• The strange-quark chemical potential as an experimentally accessible "order parameter" of the deconfinement phase transition for finite baryon-density
• Conservation of particle multiplicities between chemical and thermal freeze-out