1) partial scattering cross sections
分波散射截面
1.
Study on the anisotropic intermolecular potential and partial scattering cross sections for He-HF system;
He-HF体系各向异性势及分波散射截面的研究
2.
Theoretical study of the anisotropic interaction potential and partial scattering cross sections for He-HCl system;
He-HCl体系各向异性势及分波散射截面的理论研究
2) differential cross section
微分散射截面
1.
Studies on vibrational excitation differential cross sections of low-energy electron scattering from N_2 molecule by vibrational close-coupling method;
用振动密耦合方法研究低能电子与N_2分子碰撞的振动激发微分散射截面
2.
The effect of the incident energy on three observables, the differential cross section, the analyzing power and the spin rotation function, is discussed.
用相对论脉冲近似(RIA)对不同的中能质子(200MeV,400MeV和800MeV)与14Be,16O和12C的弹性散射进行了研究,讨论了不同的入射能量对3种观测量,即微分散射截面、分析本领和自旋转动函数的影响。
3.
With electron impact energy of 2 500 eV and energy resolution of 85 meV, the differential cross sections and the generalized oscillator strengths of the excitations of 1 1S→2 1S, 2 1P, 3 1S and 3 1P of helium has been measured by electron energy loss spectroscopy .
在入射电子能量 2 5 0 0eV下测量了He的 11S→ 2 1S ,2 1P ,31S和 31P的微分散射截面和广义振子强度 ,并与前人的实验和理论结果进行了比较 ,认为在此入射电子能量下一阶Born近似对此 4个跃迁成立 。
3) differential scattering cross section
微分散射截面
1.
Calculation and analysis of light scattering and differential scattering cross section from a spherical particle on silicon wafer;
硅片表面球形粒子散射及微分散射截面的研究
2.
Study of anisotropic potential and differential scattering cross section for Ar-HF collision system;
Ar-HF碰撞体系各向异性势及微分散射截面的研究
3.
In order to determinate electron-molecule collision types and scattering angle of electron in gas discharge, we analyze relation between the probability density distribution of scattering angle and differential scattering cross section.
针对气体放电中电子-分子碰撞类型及散射角的确定问题,分析了散射角几率密度分布与微分散射截面的关系,给出了气体放电中电子-分子碰撞类型和碰撞散射角的抽样方法,为Monte Carlo方法数值模拟放电动力学过程提供了理论依据。
5) differential scattering cross sections
微分散射截面
1.
Theoretical study of the potential energy surface and differential scattering cross sections of He-HI complex;
He-HI复合物势能面及微分散射截面的理论研究
2.
Study of the anisotropic interaction potential and differential scattering cross sections for He-HBr system;
He-HBr碰撞体系各向异性相互作用势及微分散射截面的研究
3.
Study of the differential scattering cross sections of Murrell-Sorbie potential for He-HCl system;
Murrell-Sorbie势下He-HCl碰撞体系微分散射截面的研究
6) Differential scattering section
微分散射截面
1.
Differential scattering section of multi-photon nonlinear Compton effect in high power laser-plasma;
强激光等离子体中多光子非线性Compton微分散射截面特性
补充资料:散射截面
散射截面 scattering cross section 描述微观粒子散射概率的一种物理量。又称碰撞截面,简称截面。一种运动中的粒子碰撞另一种静止粒子时,如果在单位时间内通过垂直于运动方向单位面积上的运动粒子数为1,静止粒子数也是1,则单位时间发生碰撞的概率称为碰撞截面,截面的量纲与面积的量纲相同 ,单位是靶恩,1靶恩=10-28米2,可见与核反应截面的含义相同。如果碰撞为弹性散射,相应的截面称为弹性截面,如果碰撞为非弹性散射,相应的截面称为非弹性截面。根据粒子散射截面的分析可获得许多有关粒子的信息。 |
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参考词条