Thermal source parameters in Au+Au central collisions at 35 A MeV |
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| Affiliation: | 2. Institute for Condensed Matter Theory, University of Illinois at Urbana–Champaign, Urbana, IL, United States;3. Beckman Institute, University of Illinois at Urbana–Champaign, Urbana, IL, United States;4. Mälardalen University, Västerås, Sweden;5. Rowan University, Glassboro, NJ, United States;1. Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN 55905, USA;2. Rehabilitation Medicine Research Center, Mayo Clinic, Rochester, MN 55905, USA;3. Department of Integrative Biology and Physiology, UCLA, Los Angeles, CA 90095, USA |
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| Abstract: | Central Au+Au collisions at 35 A MeV are analyzed to find the characteristics of a thermal source, in the framework of the statistical multifragmentation model SMM. A recently introduced backtracing protocol provides an effective comparison of theory and experiment. For the first time the distributions of the central source parameters (density, mass number, excitation energy) are found. The collective energy of primary fragments is also deduced. It is shown that the backtracing procedure allows an estimation of the pre-equilibrium emission. |
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