Poissonian reducibility and thermal scaling within the lattice gas model and molecular dynamics model

Y. G. Ma

Published 2000-10-19, updated 2001-01-23Version 2

The emission of clusters in the nuclear disassembly is investigated within the framework of isospin dependent lattice gas model and classical molecular dynamics model. As observed in the recent experimental data, it is found that the emission of individual cluster is poissonian and thermal scaling is observed in the linear Arrhenius plots made from the average multiplicity of each cluster. The mass, isotope and charge dependent "emission barriers" are extracted from the slopes of the Arrhenius plots and their possible physical implications are investigated.