B-spline Breit–Pauli R-matrix calculations for electron collisions with argon atoms
B-spline Breit–Pauli R-matrix calculations for electron collisions with argon atoms
复制标题
电子与氩原子碰撞的 B 样条 Breit–Pauli R 矩阵计算
DOI：
10.1088/0953-4075/37/23/010
复制
发表时间：
2004
期刊：
影响因子：
--
通讯作者：
K. Bartschat
中科院分区：
文献类型：
--
作者：
O. Zatsarinny;K. Bartschat
我们应用了之前描述的Breit-Pauli B样条R矩阵方法（J. Phys. B：At.摩尔Opt.Phys.37（2004）2173）来处理e-Ar碰撞。一个单独优化的，长期依赖的一组非正交价轨道是用来占强长期依赖的单电子轨道。集中在近阈值制度的激发的3 p54 s歧管，我们获得了良好的协议与基准实验数据的生产亚稳原子和激发的VUV发射J = 1水平。详细的分波分辨共振分析表明，Buckman和Clark（Rev.Mod.Phys.66（1994）539）列出的许多结构由重叠共振组成。这些及其主成分和衰变通道都被识别出来，并且在某些情况下建议了替代分类。
We have applied the Breit–Pauli B-spline R-matrix method described earlier (J. Phys. B: At. Mol. Opt. Phys. 37 (2004) 2173) to the treatment of e–Ar collisions. An individually optimized, term-dependent set of non-orthogonal valence orbitals is used to account for the strong term dependence in the one-electron orbitals. Concentrating on the near-threshold regime for excitation of the 3p54s manifold, we obtain excellent agreement with benchmark experimental data for the production of metastable atoms and for excitation of the VUV-emitting J = 1 levels. A detailed partial-wave resolved resonance analysis shows that many of the structures listed by Buckman and Clark (Rev. Mod. Phys. 66 (1994) 539) are composed of overlapping resonances. These, together with their principal components and decay channels, are identified and, in some cases, alternative classifications are suggested.