Deformation relaxation in heavy-ion collisions

被引：7
|
作者：
Yu, L. [1 ,2 ]
Gan, Z. G. [1 ,4 ,5 ]
Zhang, Z. Y. [1 ]
Zhang, H. F. [3 ,4 ,5 ]
Li, J. Q. [1 ,3 ,4 ,5 ]
机构：
[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China
[4] Chinese Acad Sci, Inst Theoret Phys, Kavli Inst Theoret Phys, Beijing 100190, Peoples R China
[5] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
来源：
PHYSICS LETTERS B | 2014年 / 730卷
关键词：
D O I：
10.1016/j.physletb.2014.01.032
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In deeply inelastic heavy-ion collisions, the quadrupole deformations of both fragments are taken as stochastic independent dynamical variables governed by the Fokker-Planck equation (FPE) under the corresponding driving potential. The mean values, variances and covariance of the fragments are analytically expressed by solving the FPE in head on collisions. The characteristics and mechanism of the deformation are discussed. It is found that both the internal structures and interactions of the colliding partners are critical for the deformation relaxation in deeply inelastic collisions. (C) 2014 The Authors. Published by Elsevier B.V.
引用
收藏
页码：105 / 110
页数：6
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