ROTATIONAL BEHAVIOR IN INTERMEDIATE-ENERGY HEAVY-ION COLLISIONS

被引：47
|
作者：
MA, YG
SHEN, WQ
FENG, J
MA, YQ
机构：
[1] ACAD SINICA, INST NUCL RES, SHANGHAI 201800, PEOPLES R CHINA
[2] NANJING UNIV, DEPT PHYS, NANJING 210008, PEOPLES R CHINA
来源：
PHYSICAL REVIEW C | 1993年 / 48卷 / 04期
关键词：
D O I：
10.1103/PhysRevC.48.R1492
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：
The rotational behavior together with in-plane collective flow for the intermediate energy Ar-40 + Al-27 reaction is investigated by analyzing the rapidity dependent azimuthal distributions with the Boltzmann-Uehling-Uhlenbeck (BUU) model. The azimuthal distributions are fitted by a Legendre polynomial expansion up to the second order. By incorporating the uncertainties in the experimental reaction plane determination into our calculations, quantitative agreement between the calculations and data is obtained. It is found that the rotational behavior at midrapidity depends strongly on the impact parameter. Information about the in-plane collective flow is also extracted from the azimuthal distributions. Both the rotational behavior and the in-plane collective flow depend strongly on the in-medium nucleon-nucleon cross section and nuclear equation of state.
引用
收藏
页码：R1492 / R1496
页数：5
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