丰中子 b 同位素 双核结团结构研究
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丰中子 B 同位素 双核结团结构研究. 李加兴. 2. 3. 1. Brief Introduction. Our goal. Experimental setup. Contents. 2. 3. 1. Brief Introduction. Our goal. Experimental setup. Contents. Clustering Structure. 自上世纪 30 年代以来,原子核内部结构被广泛探索。结团结构在很早就被人提出。原子核结团结构研究在实验和理论两个方面都取得了一定得突破。. - PowerPoint PPT PresentationTRANSCRIPT
丰中子 B 同位素双核结团结构研究
李加兴
Contents
Brief Introduction1
Our goal2
Experimental setup3
Contents
Brief Introduction1
Our goal2
Experimental setup3
Clustering Structure
自上世纪 30年代以来,原子核内部结构被广泛探索。结团结构在很早就被人提出。原子核结团结构研究在实验和理论两个方面都取得了一定得突破。
Phys. Rev. 52(1937) 1083-1106Phys. Rev. 52(1937) 1107- 1122
Clustering Structure
Possible Clustering formations: line Chain, Octuple, triangle, ring-like, flower like.
M. Freer, et al. Phys. Rep. 432(2006) 43-113
反对称分子动力学模型 Anti-symmetrized Molecular Dynamics (AMD)
反对称分子动力学模型 AMD模型运用了自旋宇称投影和电磁特性的方法来分析解释,从而得到了核内显著的结团结构。
Clustering Structure
Introduction
Clustering Structure
Introduction
Density distribution of matter, protons, and neutrons of the intrinsic states with the AMD model in states of 10Be.The ρstands for intrinsic matter densities.
分子轨道模型Molecular Orbital (MO)
分子轨道模型 (MO)对轻核采用分析其宇称带的方法,从而得到了显著的结团结构。
Prog. of Theo. Phys. 65(1981) 204
Clustering Structure
Introduction
Clustering Structure
Introduction
The α-α dependence of the 0+ states with MO model in 10Be. There appear three 0+ states in the low-lying energy region. The solid line shows the state which has an overlap with the Φ(1/2+,-1/2+)configuration dominantly.
Fermion Molecular Dynamics (FMD)
Nucl. Phys. A 752(2005) 321-324
Clustering Structure
Introduction
Generator Cluster Model (GCM)
Clustering Structure
Introduction
Effective Liquid Drop Model (ELDM)
Clustering Structure
Introduction
Generalized Density-Dependent Cluster Model (GDDCM)
Clustering Structure
Introduction
Results gotten by RMF+BCS
Chin. Phys. Lett. 27(2010) 022103
10Be密度分布在 r-z平面的投影图10Be密度分布在 r-z平面的投影图
结合能随形变参数变化而变化
结合能随形变参数变化而变化
Results gotten by RMF+BCS
Results
偶 A Be同位素核
在 r-z平面投影密度 偶 A Be同位素核
在 r-z平面投影密度 奇 A Be同位素核
在 r-z平面投影密度 奇 A Be同位素核
在 r-z平面投影密度
Results gotten by CDFT
Chin. Phys. Lett. 30(2013) 012101
Clustering Structure
Introduction
•Inelastic scattering
Clustering Structure
Introduction
•Break-up
Clustering Structure
Introduction
•Knock out
Clustering Structure• Helium clustering in neutron-rich Be isotopes
N.A.Orr et al. Nucl.Phys. A654,710c(1999).M.Freer et al. Phys. Rev. C63,034301(2001).M.Freer et al. Phys. Rev. Lett. 82,1383(1999).N.I.Ashwood et al. Phys. Lett. B580,129(2004).
Reconstructed 12Be excitation energy spectra: (a)6He+6He for proton and carbon recoils and 8He+4He for (b) carbon and (c) proton recoils.
Clustering Structure
Introduction
Contents
Brief Introduction1
2
3
Our goal
Experimental setup
Clustering Structure
Introduction
Contents
Brief Introduction1
2
3
Our goal
Experimental setup
Contents
Brief Introduction1
2
3
Our goal
Experimental setup
Experimental Setup
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