Statistical Error of Spin Transfer to Hyperon at RHIC Energy RHIC能区下超子极化转移的统计误差分析
By analyzing different hyperon decay processes, we derive the general formula for the decay contributions of heavier hyperons to hyperon production rates and final-state hyperon polarizations. 在分析不同情形超子衰变的基础上,给出超子衰变对超子产生率和末态超子极化的贡献的一般计算公式。
Nucleon Structure and Hyperon Polarization in Deep Inelastic Lepton-hadron Scattering 核子结构与轻子&强子深度非弹性散射过程中超子的极化
The main goal of this dissertation is the experimental and phenomenological study of hyperon spectroscopy. 本论文之目的,在于研究主动式声纳对水下目标物之瑞利表面回波信号特性分析。
We show that measuring the polarization of hyperon in the lepton induced reactions is an ideal way to study the spin transfer in high energy hadronization processes. 指出在轻子诱发反应中测量产生超子的极化是研究高能强子化过程自旋转移的理想途径。
At present, contributions to hyperon polarization derived from hadron decay have been argued, but in this argument decay polarization transfer factor is assumed as a constant usually. 目前已有文献讨论过强子衰变过程对超子极化的影响,但这些文献中通常将衰变过程的极化转移因子取为一个常数。
Giant Neutron-and Hyperon-Halos in Drip-Line Nuclei 滴线原子核中的晕现象&中子晕、超子晕、巨晕和形变晕
The influences of Σ hyperon isospin interaction on neutron star structure have been studied in the framework of the relativistic mean field theory with nucleons, hyperons, and mesons. 作者从相对论平均场理论出发,考虑到核子、超子和介子的自由度,研究了不同∑超子同位旋相互作用对中子星性质的影响。
The result shows that decay spin transfer factor strongly depend on moving direction of final-state hyperon. 计算结果表明极化转移因子对出射的角度有较强的依赖。
The Influence of Hyperon Isospin Interaction on the Properties of Neutron Star 超子同位旋相互作用对中子星性质的影响
We derive decay spin transfer factor depending on moving direction of the final-state hyperon by calculating hyperon decay angular distribution including polarization correlation in mother-particle static frame system. 在计算母粒子静止系中包含极化关联的超子衰变角分布基础上,我们给出了和末态超子出射方向有关的衰变极化转移因子。
The study of hyperon polarization along the direction opposite to the reaction plane in the resent paper make the effect is much full of practical significance. 最近文献中提出的相对反应面法线方向超子极化的研究,使该效应的研究更具现实意义。
Influence of Hyperon Coupling Constant on the Properties of Hybrid Stars 超子耦合常数对混合星性质的影响
The result shows that initial-state unpolarized hyperon will be polarized along the direction opposite to the reaction plane through final-state interaction. 计算结果表明非极化的∧超子将通过末态相互作用沿着反应面法线方向被极化。
Taking into account the glue-like role of ∧-hyperon in the hypernucleus, a contraction factor S is introduced into the density matrix of~ 9Be. The eigenvalues E_(?) 考虑到∧超子在超核中的类胶作用会使芯集团更加紧密,在自由~9be核的密度矩阵中引进了收缩因子s,调整s使重现∧~(10)be结合能的实验值。
Contribution to hyperon polarization from interaction between final-state hadron is important, especially in high energy heavy-ion collisions, since the number of hadrons produced is very large, the effect can not be neglected much more. 末态强子间的相互作用对超子极化也有较大的影响,特别是在高能重离子对撞中,产生出的强子数目众多,使该效应更加不可忽略。
Hyperon rms Radii of_ Λ~ ( 208) Pb and Neutron Star Structure ∧~(208)pb的超子分布半径和中子星结构
We investigate the influence of different hyperon couplings from analysis of various experimental data on hypernuclei on the composition and equation of state of cold neutron star. 根据实验数据的分析,研究了不同超子势下,超子耦合常数对中子星的组成和状态方程的影响。
Spin Transfer in High-Energy Hadronization Processes and Polarization of Hyperon in the Lepton-Induced Reactions 高能强子化过程的自旋转移和轻子诱发反应中超子的极化
The lifetime of a hyperon bounded in a hypernucleus is affected by the nuclear environment. 束缚在超核中的超子的寿命会受到原子核环境的影响。
As hyperon has the strange quantum number, it can go deep into the interior of nuclei, thus it is the right probe to study the nuclear structure. 由于超子含有奇异量子数,它可深入原子核的内部,是研究核结构的极好探针,所以超核为研究完全的介子和重子味SU(3)八重态性质提供了唯一的实验室。