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26 April 2024

» arxiv » 0709.1618

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Yield scaling, size hierarchy and fluctuations of observables in fragmentation of excited heavy nuclei
N. Le Neindre ; E. Bonnet ; J.P. Wieleczko ; B. Borderie ; F. Gulminelli ; M.F. Rivet ; R. Bougault ; A. Chbihi ; R. Dayras ; J.D. Frankland ; E. Galichet ; D. Guinet ; P. Lautesse ; O. Lopez ; J. Lukasik ; D. Mercier ; J. Moisan ; M. Parlog ; E. Rosato ; R. Roy ; C. Schwarz ; C. Sfienti ; B. Tamain ; W. Trautmann ; A. Trzcinski ; K. Turzo ; E. Vient ; M. Vigilante ; B. Zwieglinski ;
Date:	11 Sep 2007
Abstract:	Multifragmentation properties measured with INDRA are studied for single sources produced in Xe+Sn reactions in the incident energy range 32-50 A MeV and quasiprojectiles from Au+Au collisions at 80 A MeV. A comparison for both types of sources is presented concerning Fisher scaling, Zipf law, fragment size and fluctuation observables. A Fisher scaling is observed for all the data. The pseudo-critical energies extracted from the Fisher scaling are consistent between Xe+Sn central collisions and Au quasi-projectiles. In the latter case it also corresponds to the energy region at which fluctuations are maximal. The critical energies deduced from the Zipf analysis are higher than those from the Fisher analysis.
Source:	arXiv, 0709.1618
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