INTERMEDIATE-MASS FRAGMENT EMISSION IN BOLTZMANN MASTER EQUATION THEORY OF PREEQUILIBRIUM REACTIONS

被引：24

作者：

CAVINATO, M ^{[1
]}

FABRICI, E ^{[1
]}

GADIOLI, E ^{[1
]}

ERBA, EG ^{[1
]}

GALMARINI, M ^{[1
]}

GRITTI, A ^{[1
]}

机构：

[1] IST NAZL FIS NUCL,SEZ MILANO,MILAN,ITALY

来源：

ZEITSCHRIFT FUR PHYSIK A-HADRONS AND NUCLEI | 1994年 / 347卷 / 04期

关键词：

D O I：

10.1007/BF01289790

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

A coalescence model originally proposed to account for the emission of nucleons and light particles in nuclear reactions is extended to account for intermediate mass fragment (IMF) emission. This theory uses a set of Boltzmann master equations to evaluate the time evolution of the occupation probability of nucleon states in the course of the de-excitation cascade during which the IMF are emitted. The internal structure of the IMF and the depletion of nucleon states due to IMF emission are explicitly considered. The theoretical predictions reproduce satisfactorily the experimental multiplicity spectra measured in central collisions of Ar-36 ions with Au-197 at incident energies of 35 MeV/nucleon.

引用

页码：237 / 245

页数：9

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