英语释义

1. a quantum characteristic of a group of closely related subatomic particles (such as a proton and a neutron) handled mathematically like ordinary spin with the possible orientations in a hypothetical space specifying the number of particles of differing electric charge comprising the group — called also isotopic spin

片语

isospin invariance同位旋不变性

isospin amplitude同位旋振幅

isospin fractionation同位旋相分化

isospin rotation同位旋转动

isospin dependent同位旋相关的

isospin mixing同位旋混杂

an isospin同位旋

isospin symmetry同位旋对称

isospin multipletIn particle physics, isospin multiplets are families of hadrons with approximately equal masse All particles within a multiplet, have the same spin, parity, and baryon numbers, but differ in electric charge

英汉例句

• Namely, MDI increases the sensitivity of the nuclear stopping on the isospin dependence nucleon-nucleon cross section.

  这就意味着动量相关作用明显地提高了原子核阻止对于核子-核子碰撞截面的灵敏性。

• The symmetry potential turns out to depend strongly on both momentum and density, while it is almost independent of the isospin asymmetry.

  结果表明同位旋对称势对于同位旋非对称度的依赖性很弱，但对于动量和密度均有较强的依赖性。

• The isospin dependence of momentum dependent interaction is thus important for studying accurately the equation of state of isospin asymmetry nuclear matter.

  故动量相关作用中同位旋效应研究对于定量的研究和确定同位旋非对称核物质状态方程是重要的。

• Meanwhile, the relationship between the isospin excitation energy and the symmetry energy was discussed and found that the symmetry energy was just a part of the isospin excitation energy.

  同时研究了对称能与同位旋激发能的关系，指出对称能是同位旋激发能的一部分，且占相当大的比重。

• The momentum dependent interaction enhances the sensitivity of N imf to the isospin effects of in-medium nucleon-nucleon cross section.

  动量相关作用增强了中等质量碎片多重性对于核子-核子碰撞截面的同位旋依赖的敏感性。

• In addition, the features of products in nuclear disassembly with an isospin independent potential is also investigated and used to compare the results from the above isospin dependent potential.

  同时，还比较了在同位旋相关作用势下和同位旋不相关作用势下碎片产物特性的差异。

• It is shown that as increasing the isospin asymmetry, the proton mean free path decreases while the neutron one increases.

  结果表明：随核物质同位旋非对称度的增大，质子平均自由程减小而中子的平均自由程增大。

• The isospin effect and K production in intermediate and high energy Heavy Ion Collisions (HICs) are hot topics in the nuclear physics.

  重离子碰撞中的同位旋和近阈K产生均为当今核反应研究的前沿内容和热点问题。

• The isospin fractionation in intermediate energy heavy ion collisions is studied by using isospin dependence quantum molecular dynamics model.

  利用同位旋相关的量子分子动力学模型研究了中能重离子碰撞中同位旋分馏过程。

• The isospin effects on the momentum dissipation induced by the Coulomb interaction in the process of heavy-ion collissions;

  利用同位旋相关的量子分子动力学模型研究了中能重离子碰撞中库侖作用对同位旋分馏过程的影响 。

• It will be fully exploited according the degree of freedom of excitation energy, angular momentum and isospin of the nuclear system.

  它将在核系统的激发能、角动量和同位旋三个自由度深入进行。

• The isospin dependence of momentum_dependent interaction is thus important for studying accurately the equation of state of isospin asymmetry nuclear matter.

  所以同位旋依赖的动量相关作用的研究对于定量的研究同位旋非对称核物质状态方程是重要的。

• Because protons and neutrons in light nuclei fill the same shell, it is necessary to introduce isospin when the light nuclei are described by the interacting boson model (IBM).

  由于在轻核中质子与中子处于同一壳，当用相互作用玻色子模型(ibm)描述轻核时，必须引入同位旋。

• The investigation of single-particle levels shows that the shell structure is deformed and isospin dependent.

  对单粒子能级的计算和分析表明超重核的壳结构是形变和同位旋相关的。

• We generalize the previous RVUU model to he able to identify the isospin degree of freedom of particles.

  推广了原来的RVUU模型，进一步分离了粒子的同位旋自由度。

• The isospin dependent quantum molecular dynamics model has been further developed by considering shell effect and the fusion mechanism near Coulomb barrier is studied by using the improved model.

  通过考虑动力学中的壳效应，对同位旋相关的量子分子动力学模型做了进一步改进，并利用改进的量子分子动力学模型对近垒熔合机制做了动力学研究。

• The isospin effect and isoscaling behaviors in projectile fragmentation reactions have been systematically investigated by a modified statistical abrasion-ablation(SAA)model.

  用统计擦碎模型对中能区不同弹靶体系在弹核碎裂反应中的同位旋效应和同位旋标度率现象进行了系统研究。