您要查找的是不是：
- By using R matrix method total and single differential Cross sections for electron impact ionisation of atom Na at 20,50,and 100 eV incident energies in the distorted wave and the Coulomb Born approximations. 使用R?矩阵方法， 在扭曲波和库仑?玻恩近似下计算了入射电子能量为20 eV、50eV 及100 eV 原子Na 的电子碰撞电离截面， 并详细给出了入射电子能量为50 eV 时的能量微分截面及分波能量微分截面。
- coulomb born approximation 库仑 玻饵似
- In this paper, By using R matrix method the electron impact ionization cross sections of atom Mg from near the threshold to 100eV have been calculated in the distorted Coulomb Born no exchange approximation. 使用R－矩阵方法，在扭曲库仑－玻恩非交换近似下（DCBNX）采用二态密耦图象，计算了原子镁从电离阈值附近到100eV范围的电子碰撞电离截面。
- The Born approximation assumes that the incident and the outgoing particle can be described by plane waves. 玻恩近似假定入射粒子和发射粒子都可以用平面波来描述。
- LASER|ASSISTED ELECTRON|ATOM COLLISIONS:THE KROLL|WATSON FORMULA AND THE SECOND BORN APPROXIMATION ? 激光辅助电子-原子碰撞K-W公式与第二玻恩近似
- The computational results are in accord with the results of plane wave Born Approximation. 计算结果与平面波玻恩近似结果符合得较好
- The second Born approximation obtains better results compared with the experimental data. 和实验相比较,第二玻恩近似方法给出了较好的结果;
- Phase control of free-free transitions in bichromatic laser field is investigated employing the Born approximation. 本文利用玻恩近似理论对双模激光场中自由-自由跃迁过程中的相位影响进行了初步研究。
- By using first Born approximation of quantum mechanics and analytic wowe function of H and Heatom,their elastic and differential inelastic collision cross section is computed. 应用量子力学第一玻恩近似和氢原子与氦原子的解析波函数,计算了它们弹性碰撞和各种非弹性碰撞截面。
- The peripherality of this reaction was also verified by changing the radial parameter limit in distorted wave Born approximation(DWBA) calculations. 通过改变DWUCK4程序中径向积分的下限,验证了该反应的周边性。
- Antihydrogen formation in the laser-assisted positronium- an tiproton collision is investigated in the first Born approximation. 在一级玻恩近似下 ;研究了在激光辅助的电子偶素 反质子碰撞中的反氢合成 .
- Antihydrogen formation in the laser-assisted positronium-antiproton collision is investigated in the first Born approximation. 摘要在一级玻恩近似下，研究了在激光辅助的电子偶素-反质子碰撞中的反氢合成。
- The magnetoresistance of the granular films with two distinct magnetic phases has been calculated by using Born approximation. 用玻恩近似方法计算了两类不同磁相的颗粒膜的磁电阻 .
- The results show that the second Born approximation can succeed in bichromatic laser fields compared with the results of the First Born approximation. 结果表明，二阶玻恩近似理论在多模激光场中的应用也是比较成功的。
- The nonlinear inversion equation based on the extended Born approximation was derived, the two-step inverse method for reconstructing the conductivity profile was presented. 基于扩展玻恩近似和电场积分方程,建立起非线性反演方程,然后应用两步线性反演方法进行迭代反演。
- The distorted-wave Born approximation has been used in the calculation of the inelastic scatterings and treating the low-lying excited levels as pure vibrational states Meawhile. 低激发态的非弹性散射采用扭曲波玻恩近似(DWBA),并认为这些低激发态是纯粹的振动态。
- The nonlinear integral equation is first linearized by using Born approximation, and then the measurements are used to reconstruct the twodimensional inhomogeneous media by using the Born iterative method and the distorted Born iterative method. 首先借助于玻恩近似将非线性积分方程线性化，然后，利用玻恩迭代法和变形玻恩迭代法，由散射场数据对轴对称二维非均匀介质进行重建。
- Using semirelativistic distorted-wave Born approximation m et hod, we have calculated direct ionization (DI), excitation autoionization (E A) and resonant excitation double- autoionization (REDA) cross sections of Na- like ions Ti 11+ and Cr 13+ . 利用相对论修正扭曲波玻恩近似 ;计算了类钠离子Ti11+ 和Cr13 + 的电子碰撞直接电离 ;激发自电离和共振激发双自电离截面 .
- The differential cross sections of ( e,2e ) reaction for electron impact lithium atom have been calculated with distorted wave Born approximation(DWBA) method at incident energy 400 eV and 200 eV. We also study the influence of distorting potentials. 采用畸变波玻恩近似 (DWBA)方法 ,计算了入射能量为 4 0 0eV和 2 0 0eV的电子碰撞锂原子 (e,2e)反应在非共面对称几何条件下的三重微分截面 (TDCS) ,并研究了极化势对TDCS的影响。
- The direct process for (n,p) or (p,n) reaction is treated as a knock-out reaction and calculated by conventional DWBA (distorted wave Born approximation) theory in the zero-range approximation. 将(n,p)或(p,n)反应的直接过程看成是一种敲出反应并用通常的在零程近似下的DWBA理论进行计算。
