The electron impact ionization of hydrogen atoms from the 2s state is studied theoretically by extending the BBK model. 利用BBK模型对电子碰撞电离(EII)H(2s)过程进行理论研究,计算了对称和不对称几何条件下的三重微分截面。
The atomic processes of electron impact ionization and elastic scattering by plasma ions are included. The thermal and streaming motion of the ions along the magnetic field is also taken into consideration. 考虑了氦原子被电子碰撞电离(EII),氦原子与等离子体离子之间的弹性散射等原子过程以及离子的热运动和沿磁力线的流动。
Its working principle and feasibility are analysed and proved by many theory such as electron impact ionization, equilibria system of high-energy particle beams and recombination properties of plasma produced. 运用电子碰撞电离(EII)、强流粒子束平衡体系理论方程与等离子复合特性等理论对这种新型X射线激光器的工作原理及其方案的可行性作了进一步的理论分析与探讨。
The transport process of neutral beam ions in HT-7 Tokamak was simulated by Monte-Carlo method. The neutral-plasma collision processes taken into account, which include the charge-exchange, electron impact ionization, ion impact ionization, etc. 应用MonteCarlo方法,模拟了Tokamak装置中的中性粒子的输运过程,模型考虑了中性粒子在等离子体中的电荷交换、电子碰撞电离(EII)、离子碰撞电离等离化过程。
We compute the triple differential cross section for electron impact ionization atomic helium using Coulomb waves with an effective charge for the incoming electron and find very agreement with experiment and with previous calculations. 当入射电子处在有效电荷库仑场的情形下,我们计算了电子入射离化氦原子的三重微分截面,并发现现有的理论计算与实验结果很好的一致。