Thermal and Chemical Freeze-out in Spectator Fragmentation

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dc.creatorTrautmann, W.
dc.creatorBassini, R.
dc.creatorBegemann-Blaich, M.
dc.creatorFerrero, A.
dc.creatorFritz, S.
dc.creatorGaff-Ejakov, S. J.
dc.creatorGross, C.
dc.creatorImme, G.
dc.creatorIori, I.
dc.creatorKleinevoss, U.
dc.date2007-08-30
dc.date2007-12-17
dc.date.accessioned2026-07-07T11:18:58Z
dc.date.available2026-07-07T11:18:58Z
dc.descriptionIsotope temperatures from double ratios of hydrogen, helium, lithium, beryllium, and carbon isotopic yields, and excited-state temperatures from yield ratios of particle-unstable resonances in 4He, 5Li, and 8Be, were determined for spectator fragmentation, following collisions of 197Au with targets ranging from C to Au at incident energies of 600 and 1000 MeV per nucleon. A deviation of the isotopic from the excited-state temperatures is observed which coincides with the transition from residue formation to multi-fragment production, suggesting a chemical freeze-out prior to thermal freeze-out in bulk disintegrations.
dc.description14 pages, 10 figures, submitted to Phys. Rev. C, small changes as suggested by the editors and referees
dc.identifierhttps://arxiv.org/abs/0708.4115
dc.identifierhttp://arxiv.org/abs/0708.4115
dc.identifierPhys.Rev.C76:064606,2007
dc.identifierdoi:10.1103/PhysRevC.76.064606
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/193530
dc.subjectNuclear Experiment
dc.titleThermal and Chemical Freeze-out in Spectator Fragmentation
dc.typetext

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