ANALYTICAL FORMULAS FOR DIPOLE EXCITATION CROSS-SECTIONS OF IONS COLLIDING WITH ELECTRONS

被引:4
作者
SHEVELKO, VP
机构
[1] P.N. LebedevPhysical Institute, Moscow
来源
PHYSICA SCRIPTA | 1992年 / 46卷 / 06期
关键词
D O I
10.1088/0031-8949/46/6/008
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Analytical formulas describing electron-impact induced dipole excitation of ions from threshold (E = DELTAE) to high energies (E much-greater-than DELTAE) are suggested. The formulas are based on the model dipole potential and are expressed in terms of McDonald functions. The results are compared with numerical calculations, other semiempirical formulas and experimental data.
引用
收藏
页码:531 / 534
页数:4
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