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检索条件"作者=3.Center of Theoretical nuclear physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 73.000, china"
148 条 记 录,以下是51-60 订阅
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Solutions of Non-Autonomous Quantum Systems with Symplectic Algebraic Structure
Solutions of Non-Autonomous Quantum Systems with Symplectic ...
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中国数学力学物理学高新技术交叉研究会第9届学术研讨会
作者: Jie Quanlin~1 Wang Shunjin~(1,2,3) (1.Institute of Modern physics,Southwest Jiaotong University Chengdu 610031 china 2.Department of modem physics,lanzhou University lanzhou 73.000 china 3.center of theoretical physics,CCAST(World laboratory)Beijing china.)
<正>Based on the structure of sub-algebraic chain of sp(2N)Lie algebra,we obtain solutions of a non-autonomous quantum system with Hamiltonian that can be treated as a linear function of generators of an sp(2N)s...
来源: cnki会议 评论
A bound on the effective boson number from shape phase transition in IBM
A bound on the effective boson number from shape phase trans...
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第十三届全国核结构研讨会暨第九次全国“核结构与量子力学”专题讨论会
作者: Yu Zhang~(1 2)) Zhan-feng Hou~(2)) Yu-xin Liu~(2 3)) Feng Pan~(1)) 1(Department of physics,Liaoning Normal University,Dalian 116029,china) 2(Department of physics and State Key laboratory of nuclear physics and Technology Peking University,Beijing 100871, china) 3.center of theoretical nuclear physics,national laboratory of heavy ion accelerator,lanzhou 73.000,china)
We study the effects driven by the boson number on the critical behavior of some observable quantities that are sensitive to the nuclear shape phase transitions in the interacting boson model(IBM).By comparing the e... 详细信息
来源: cnki会议 评论
Empirical evidence for the nucleus at the critical point of the Uπν(5)-SUπν*(3) transition in IBM2
Empirical evidence for the nucleus at the critical point of ...
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第十三届全国核结构研讨会暨第九次全国“核结构与量子力学”专题讨论会
作者: Da-li Zhang~(1 1)) Zhan-feng Hou~(2 2)) Yu-xin Liu~(2,3 3)) 1(Department of physics,Huzhou Techer's College,Huzhou 313000,Zhejiang,china) 2(Department of physics and State Key laboratory of nuclear physics and Technology,Peking University,Beijing 100871, china) 3.center of theoretical nuclear physics,national laboratory of heavy ion accelerator,lanzhou 73.000,china)
By analyzing the low-lying energy spectrum,certain energy rations and B(E2) ratios,we show that the predicted properties of the critical point of the transition from U(5) symmetry to SU(3) symmetry agree well wi... 详细信息
来源: cnki会议 评论
化学非平衡夸克-胶子物质中等质量双轻子的产生
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物理学报 2003年 第11期52卷 2831-2835页
作者: 贺泽君 龙家丽 马国亮 马余刚 张家驹 刘波 中国科学院上海原子核研究所 中国科学院高能物理研究所 北京100039
研究了正在进行化学平衡的富重子夸克 胶子物质的双轻子产生 ,发现由于产生在RHIC能量的化学非平衡的富重子夸克 胶子物质冷却慢和高的初始温度 ,导致中等质量双轻子产生重大增强 .因此 ,中等质量双轻子的增强可以是夸克 胶子物质形... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Improved Glauber model for the reactions induced by Halo Nuclei and Stable Nuclei
Improved Glauber model for the reactions induced by Halo Nuc...
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CCAST“放射性束物理”研讨会
作者: Wenjun Guo, Huanqing Jiang, Jianye Liu Wei zuo, Zhongzhou Ren, Xiguo Lee, Zenghua Li1. center of theoretical nuclear physics, national laboratory of heavy ion accelerator,lanzhou 73.000, P.R.china2. Institute of Modem physics, The Chinese Academy of Sciences, lanzhou 73.000, P.R.china 3.Institute of High Energy physics, The Chinese Academy of Sciences, Beijing 100039, P.R.china4.physics department of Nanjing University, Nanjing 210008, P.R.china
<正>We develop the method for the calculation of the total reaction cross sections induced by thehalo nuclei and stable nuclei. This approach is based on the Glauber theory, which is valid for thereactions at high e... 详细信息
来源: cnki会议 评论
Relativistic mean-field approximation with density-dependent screening meson masses in nuclear matter
Relativistic mean-field approximation with density-dependent...
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CCAST“兰州CSR上的介子物理”研讨会
作者: Bao-Xi Sun,Xiao-Fu Lu, Peng-Man Shen, Ea-Guang Zhao Institute of High Energy physics, The Chinese Academy of Sciences, P.O.Box 918(4), Beijing 100039, china Institute of theoretical physics, The Chinese Academy of Sciences, Beijing 100080, china Department of physics, Sichuan University, Chengdu 610064, china center of theoretical nuclear physics, national laboratory of heavy ion accelerator,lanzhou 73.000, china Department of physics, Tsinghua University, Beijing 100084, china and china center of Advanced Science and Technology (World laboratory), Beijing 100080, china
<正> The Debye screening masses of the σ,ωand neutral p mesons and the photon are calculated in the relativistic mean-field approximation. As the density of the nucleon increases, all the screening masses of meson...
来源: cnki会议 评论
Evaluation and Calculation of Activation Cross Sections for 169Tm(n,2n), (n,3n), (n,γ) and (n,x) Reactions Below 20 MeV
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中国核科技报告 1997年 第S3期 72-79页
作者: Yu Baosheng (china nuclear Data center, CIAE)Tang Guoyou Shi Zhaomin (Institute of heavy ion physics, Peking University)
IntroductionTm is a rare-earth element. Its activation cross sections are a good indicator for nuclear science and technology applications. However, there are no evaluated data in several nuclear data libraries. The a... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Properties of nuclear Matter in A Nonlinear Realized Approach of the SU(2) Chiral Symmetry Spontaneous Breaking
Properties of Nuclear Matter in A Nonlinear Realized Approac...
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CCAST“第二届粒子物理、核物理及宇宙学前沿问题”研讨会
作者: Xiao-Fu Lu , Bao-Xi Sun, Yu-Xin Liu, Hua Guo, En-Guang Zhao Institute of theoretical physics, The Chinese Academy of Sciences, Beijing 100080, china Department of physics, Sichuan University, Chengdu 610064, china School of physics, Peking University, Beijing 100871, china Institute of High Energy physics, The Chinese Academy of Sciences, P.O. Box 918(4),Beijing 100039, china center of theoretical nuclear physics, national laboratory of heavy ion accelerator, lanzhou 73.000, china
A nonlinear realization of SU(2) chiral symmetry spontaneous breaking approach is developed in the composite operator formalism. The properties of nuclear matter, the pion and the quark condensates in nuclear matter a... 详细信息
来源: cnki会议 评论
Isospin Dependent Effective Interaction
Isospin Dependent Effective Interaction
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CCAST“放射性束物理”研讨会
作者: Ma Zhong-yu, Liu Ling, Chen Bao-qiu china Institute of Atomic Energy, Beijing 102413also center of nuclear theoretical physics,national laboratory of heavy ion acceleratorXanzhou 73.000 and Institute of theoretical physics.Beijing 100080
The asymmetric nuclear matter is investigated in the DBHF approach with a newdecomposition of the Dirac structure of nucleon self-energy from the G matrix. It isfound that the isospin dependence of the scalar and vect... 详细信息
来源: cnki会议 评论
Effective photon mass in nuclear matter and finite nuclei
Effective photon mass in nuclear matter and finite nuclei
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CCAST“不稳定核反应”研讨会
作者: Bao-Xi Sun, Xiao-Fu Lu, Peng-Nian Shen, En-Guang Zhao Institute of High Energy physics. The Chinese Academy of Sciences, P.O.Box 918(4), Beijing 100039. china Institute of theoretical physics, The Chinese Academy of Sciences, Beijing 100080, china Department of physics, Sichuan University, Chengdu 610064, china. center of theoretical nuclear physics. national laboratory of heavy ion accelerator,lanzhou 73.000, china Department of physics, Tsinghua University, Beijing 100084, china and china center of Advanced Science and Technology (World laboratory), Beijing 100080, china
<正> Electromagnetic field in nuclear matter and nuclei are studied In the nuclear matter,because theexpectation value of the electric charge density operator is not zero,different in vacuum,the U(1)local gauge sy...
来源: cnki会议 评论