Application of EQMD model to researches of nuclear exotic structures

HE Wanbing; CAO Xiguang; MA Yugang; FANG Deqing; WANG Hongwei; ZHANG Guoqiang; ZHOU Chenglong; WANG Shanshan; LYU Ming; DAI Zhitao; LIU Yingdu; CAI Xiangzhou

doi:10.11889/j.0253-3219.2014.hjs.37.100511

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Application of EQMD model to researches of nuclear exotic structures

更新时间：2021-03-03

- Application of EQMD model to researches of nuclear exotic structures
  封面论文
- NUCLEAR TECHNIQUES Vol. 37, Issue 10, Article number: 100511(2014)
- 作者机构：
  
  1. 中国科学院上海应用物理研究所嘉定园区,上海,201800
  2. 中国科学院大学,北京,100049
  3. 上海科技大学,上海,200031
  4. 河南师范大学物理与电子工程学院,新乡,453007
- 作者简介：
- 基金信息：
- DOI：10.11889/j.0253-3219.2014.hjs.37.100511
  CLC：
- Published：16 October 2014
- 稿件说明：
移动端阅览
HE Wanbing, CAO Xiguang, MA Yugang, et al. Application of EQMD model to researches of nuclear exotic structures[J]. Nuclear techniques, 2014, 37(10): 100511
DOI：

HE Wanbing, CAO Xiguang, MA Yugang, et al. Application of EQMD model to researches of nuclear exotic structures[J]. Nuclear techniques, 2014, 37(10): 100511 DOI： 10.11889/j.0253-3219.2014.hjs.37.100511.

摘要

应用一种扩展的分子动力学模型(Extension of quantum molecular dynamics

EQMD)研究了轻核的晕结构和团簇结构。对于晕结构，详细讨论了晕结构核在EQMD模型框架下的初始化，给出了14Be、17B、19C和22C的晕核结构性质和物质密度分布，讨论了价中子波包宽度、核芯核子的波包宽度以及核芯的形态对于晕结构存在的重要性。对于团簇结构，给出了EQMD模型框架下对于轻的4n核的?团簇态的描述结果，讨论了不同团簇态的稳定性、结合能以及不同核子的波包宽度，指出了团簇态在自由演化过程中的?之间能量流动性质。并讨论了4-a正四面体结构作为16O基态的可能性。

Abstract

Background: Nuclear exotic structures become an important hotspot of nuclear physics

especially halo structure and a cluster states of light nuclei. Purpose: Many detailed properties of light nuclei structures are still not clear. To find a powerful way of nuclear structure research is very helpful. Methods: An extension of quantum molecular dynamics model (EQMD) is used for halo structure and ? cluster states of light nuclei. Results: Nuclear matter density distributions with halo structure and ? cluster structure are studied. Binding energy of nuclei with exotic structure is studied. Conclusion: EQMD model is a good tool for studies of nuclear exotic structure. Abstract

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