Yield scaling, size hierarchy and fluctuations of observables in fragmentation of excited heavy nuclei

2007/09/06 by N. Le Neindre, E. Bonnet, É. Bonnet +34
Materials Science · Mathematics · Physics and Astronomy · #Atomic physics #Excited state #Fragmentation (computing) #Impact parameter #Materials science #Mathematics #Nuclear Materials and Properties #Nuclear physics #Nuclear physics research studies #Observable #Physics #Projectile #Quantum mechanics #Range (aeronautics) #Scaling #Scaling law #Statistical Mechanics and Entropy #Statistical physics #Statistics #Thermodynamics #Yield (engineering) #Zipf's law #nucl-ex

paper · pdf · doi:10.1016/j.nuclphysa.2007.08.011

published as Nucl.Phys.A795:47-69,2007 · 30 pages, accepted for publication in Nuclear Physics A, references corrected

openalex publication_date 2007/09/06 · arxiv created 2007/09/13 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

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.

Citations

• Transverse velocity scaling in197Au+197Aufragmentation
• Multifragmentation of a very heavy nuclear system (I): selection of single-source events
• Negative heat capacity in the critical region of nuclear fragmentation: an experimental evidence of the liquid-gas phase transition
• Critical behavior in light nuclear systems: Experimental aspects
• Second order phase transitions: from infinite to finite systems
• Zipf's law in multifragmentation
• Model-independent tracking of criticality signals in nuclear multifragmentation data