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Violation of energy-per-hadron scaling in a resonance matter | | L.Bravina
; Amand Faessler
; C. Fuchs
; Z.-D. Lu
; E. Zabrodin
; | | Date: |
5 Jun 2002 | | Journal: | Phys.Rev. C66 (2002) 014906 | | Subject: | nucl-th hep-ph nucl-ex | | Affiliation: | 1,2), Amand Faessler , C. Fuchs , Z.-D. Lu (3,4), E. Zabrodin (1,2) ( Institute for Theoretical Physics, University of Tuebingen; Institute for Nuclear Physics, Moscow State University; China Institute of Atomic Energy, Beijing; China Center of Adva | | Abstract: | Yields of hadrons, their average masses and energies per hadron at the stage of chemical freeze-out in (ultra)relativistic heavy-ion collisions are analyzed within the statistical model. The violation of the scaling / = 1 GeV observed in Au+Au collisions at $sqrt{s}$ = 130 AGeV is linked to the formation of resonance-rich matter with a considerable fraction of baryons and antibaryons. The rise of the energy-per-hadron ratio in baryon-dominated matter is discussed. A violation of the scaling condition is predicted for a very central zone of heavy-ion collisions at energies around 40 AGeV. | | Source: | arXiv, nucl-th/0206014 | | Services: | Forum | Review | PDF | Favorites | |
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