Mean free path in nuclear matter from extended Brueckner theory

被引：21
|
作者：
Zuo, W
Lombardo, U
Schulze, HJ
机构：
[1] Ist Nazl Fis Nucl, LNS, I-95123 Catania, Italy
[2] Dipartimento Fis, I-95129 Catania, Italy
[3] Ist Nazl Fis Nucl, Sez Catania, I-95129 Catania, Italy
[4] Inst Modern Phys, Lanzhou, Peoples R China
来源：
PHYSICS LETTERS B | 1998年 / 432卷 / 3-4期
关键词：
nuclear matter; Brueckner theory; heavy ion collisions; nuclear mean field; mean free path;
D O I：
10.1016/S0370-2693(98)00656-X
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The nucleon mean free path in nuclear matter is studied within the framework of the Brueckner-Hartree-Fock approximation extended to incorporate ground-state correlations. The ground state particle-hole excitations give rise to a partial opening of the Fermi sphere and to an enhancement of the mean free path above the Fermi surface. A comparison with the classical limit and the mean free path in neutron matter is discussed along with a simple prescription to include the isospin dependence. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：241 / 247
页数：7
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