豐中子B同位素雙核結團結構研究課件

1、豐中子B同位素雙核結團結構研究 李加興第1頁，共27頁。ContentsBrief Introduction1Our goal2Experimental setup3第2頁，共27頁。ContentsBrief Introduction1Our goal2Experimental setup3 第3頁，共27頁。Clustering Structure自上世紀30年代以來，原子核內部結構被廣泛探索。結團結構在很早就被人提出。原子核結團結構研究在實驗和理論兩個方面都取得了一定得突破。Phys. Rev. 52(1937) 1083-1106Phys. Rev. 52(1937) 1107- 11

2、22第4頁，共27頁。Clustering StructurePossible Clustering formations: line Chain, Octuple, triangle, ring-like, flower like.M. Freer, et al. Phys. Rep. 432(2006) 43-113第5頁，共27頁。反對稱分子動力學模型Anti-symmetrized Molecular Dynamics (AMD)反對稱分子動力學模型AMD模型運用了自旋宇稱投影和電磁特性的方法來分析解釋，從而得到了核內顯著的結團結構。Clustering StructureIntrod

3、uction第6頁，共27頁。Clustering StructureIntroductionDensity distribution of matter, protons, and neutrons of the intrinsic states with the AMD model in states of 10Be.The stands for intrinsic matter densities. 第7頁，共27頁。分子軌道模型Molecular Orbital (MO)分子軌道模型 (MO)對輕核采用分析其宇稱帶的方法，從而得到了顯著的結團結構。Prog. of Theo. Phys

4、. 65(1981) 204Clustering StructureIntroduction第8頁，共27頁。Clustering StructureIntroductionThe - 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 (1/2+,-1/2+)configuration dominant

5、ly.第9頁，共27頁。Fermion Molecular Dynamics (FMD)Nucl. Phys. A 752(2005) 321-324Clustering StructureIntroduction第10頁，共27頁。Generator Cluster Model (GCM)Clustering StructureIntroduction第11頁，共27頁。Effective Liquid Drop Model (ELDM)Clustering StructureIntroduction第12頁，共27頁。Generalized Density-Dependent Cluste

6、r Model (GDDCM)Clustering StructureIntroduction第13頁，共27頁。Results gotten by RMF+BCSChin. Phys. Lett. 27(2010) 022103 10Be密度分布在r-z平面的投影圖結合能隨形變參數(shù)變化而變化第14頁，共27頁。Results gotten by RMF+BCSResults 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 第15頁，共27頁。Results gotten by CDFTChin. Phys. Lett. 30(2013) 012101 第16頁

7、，共27頁。Clustering StructureIntroductionInelastic scattering第17頁，共27頁。Clustering StructureIntroductionBreak-up 第18頁，共27頁。Clustering StructureIntroductionKnock out第19頁，共27頁。Clustering StructureHelium clustering in neutron-rich Be isotopesN.A.Orr et al. Nucl.Phys. A654,710c(1999).M.Freer et al. Phys. Re

8、v. C63,034301(2001).M.Freer et al. Phys. Rev. Lett. 82,1383(1999).N.I.Ashwood et al. Phys. Lett. B580,129(2004).第20頁，共27頁。 Reconstructed 12Be excitation energy spectra: (a)6He+6He for proton and carbon recoils and 8He+4He for (b) carbon and (c) proton recoils.Clustering StructureIntroduction第21頁，共27頁。ContentsBrief Introduction123 Our goalExperimental setup第22頁，共27頁。Clustering StructureIntroduction第23頁，共27頁。ContentsBrief Introduction123 Our goalExperimental setup第24頁，