Investigation of the type of quadrupole pairing force in superdeformed nuclei
文献类型：期刊论文
| 作者 | Liu, SX; Yu, L; Lei, YA; Zeng, JY |
| 刊名 | HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
 |
| 出版日期 | 2001 |
| 卷号 | 25页码:37-43 |
| 关键词 | particle-number conserving method monopole and quadrupole pairing forces dynamic and kinematic moments of inertia cranked Nilsson orbital |
| ISSN号 | 0254-3052 |
| 英文摘要 | The variations of moments of inertia of superdeformed (SD) bands Hg-194(1) and Hg-192(1) With angular momentum (rotational frequency) are investigated using the particle-number conserving (PNC) method for treating the cranked shell model. Calculations show that if both the monopole and Y-20 quadrupole pairing forces are taken into account, the observed omega variation of the moments of inertia of Hg-194(1) and Hg-192(1) can be reproduced very well both in the low-omega and high-omega ranges, in particular the J((2)) downturn of Hg-194(1) and the flattening in J((2)) of Hg-192(1) at (h) over bar omega greater than or equal to0. 40MeV. On the contrast, the calculated J((2)),s with the Y2+/-1 or Y2+/-2 quadrupole pairing forces are in disagreement with the experiments. The microscopic mechanism of the omega variation of J((2)) is clearly exhibited in the PNC calculation (the contributions to J((2)) from various major shells and individual cranked Nilsson orbitals, the occupancy of each cranked Nilsson orbital etc). The omega variation of moment of inertia is the result of the competition among the shell effect (single particle motion in a deformed potential), pairing correlation, Pauli blocking effect and Coriolis (anti-pairing) interaction. |
| WOS关键词 | ROTATIONAL BANDS ; INERTIA ; MOMENTS ; HG-192 ; EXCITATIONS |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000166446700007 |
| 出版者 | SCIENCE PRESS |
| 源URL | [http://119.78.100.186/handle/113462/37601]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Liu, SX |
| 作者单位 | 1.Ctr Theoret Nucl Phys, Natl Lab Heavy Ion Accelerator, Lanzhou 730000, Peoples R China 2.Peking Univ, Dept Phys, Beijing 100871, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, SX,Yu, L,Lei, YA,et al. Investigation of the type of quadrupole pairing force in superdeformed nuclei[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2001,25:37-43. |
| APA | Liu, SX,Yu, L,Lei, YA,&Zeng, JY.(2001).Investigation of the type of quadrupole pairing force in superdeformed nuclei.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,25,37-43. |
| MLA | Liu, SX,et al."Investigation of the type of quadrupole pairing force in superdeformed nuclei".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 25(2001):37-43. |
入库方式： OAI收割
来源：近代物理研究所
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