caa a22 4500 465801250 CHVBK 20180323112053.0 cr unu---uuuuu 170327e19900301xx s 000 0 eng 10.1007/BF01283940 doi (NATIONALLICENCE)springer-10.1007/BF01283940 Scaling properties of percolation models for multifragmentation [Elektronische Daten] [H. Ngô, C. Ngô, F. Ighezou, J. Desbois, S. Leray, Y. Zheng] We have used scaling properties of nuclear multifragmentation, which have been observed with emulsion data, to investigate the properties of some approaches based on percolation. We have studied different percolation models on a cubic lattice and shown that they can rather well reproduce the data except for binary break up. We have described what the mean field approximation would give in this context and showed that it cannot reproduce the experimental results. Most of the paper is focused on the restructured aggregation model introduced earlier which allows to well reproduce the scaling properties observed experimentally. This model has been studied in details and extended to take account of bonds breaking. It is shown that, in some cases, a nucleus can break up in two pieces. This process cannot be obtained in conventional percolation or aggregation but is observed experimentally in the emulsion data. Other features like the dimensionality of the aggregation model, the restructuration of the clusters and a schematic constraint in momentum space have also been investigated. Springer-Verlag, 1990 25.70.-Z nationallicence 25.70.Np nationallicence Ngô H. Division de Physique Théorique, Institut de Physique Nucléaire, Orsay, France aut Ngô C. Laboratoire National Saturne, Gif-sur-Yvette, France aut Ighezou F. Division de Physique Théorique, Institut de Physique Nucléaire, Orsay, France aut Desbois J. Division de Physique Théorique, Institut de Physique Nucléaire, Orsay, France aut Leray S. Laboratoire National Saturne, Gif-sur-Yvette, France aut Zheng Y. China Center of Advanced Science and Technology and Institute of Atomic Energy, Beijing, People's Republic of China aut Zeitschrift für Physik A Atomic Nuclei Springer-Verlag 337/1(1990-03-01), 81-95 0939-7922 337:1<81 1990 337 218 https://doi.org/10.1007/BF01283940 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF01283940 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Ngô H. Division de Physique Théorique, Institut de Physique Nucléaire, Orsay, France aut NATIONALLICENCE 700 1- Ngô C. Laboratoire National Saturne, Gif-sur-Yvette, France aut NATIONALLICENCE 700 1- Ighezou F. Division de Physique Théorique, Institut de Physique Nucléaire, Orsay, France aut NATIONALLICENCE 700 1- Desbois J. Division de Physique Théorique, Institut de Physique Nucléaire, Orsay, France aut NATIONALLICENCE 700 1- Leray S. Laboratoire National Saturne, Gif-sur-Yvette, France aut NATIONALLICENCE 700 1- Zheng Y. China Center of Advanced Science and Technology and Institute of Atomic Energy, Beijing, People's Republic of China aut NATIONALLICENCE 773 0- Zeitschrift für Physik A Atomic Nuclei Springer-Verlag 337/1(1990-03-01), 81-95 0939-7922 337:1<81 1990 337 218 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer