New numerical techniques to determine ionization cross sections: series representation for integrals and Bohm's velocity field

30th International Conference on Photonic, Electronic, and Atomic Collisions

Randazzo, Juan M.^1 ; Ancarani, Lorenzo Ugo^2,3

División Física Atómica Molecular y Optica, Centro Atómico Bariloche, 8400 S. C. de Bariloche, Rio Negro, Argentina^1

Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina^2

Equipe TMS, SRSMC, UMR CNRS 7565, Université de Lorraine, Metz

57078, France^3

关键词: Ab initio calculations;    Ionization cross section;    Numerical techniques;    Numerical tools;    Scattering wave functions;    Series representations;    Spherical coordinates;    Velocity field;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/875/6/052036/pdf
DOI  :  10.1088/1742-6596/875/6/052036

来源: IOP

【 摘 要 】

Synopsis Given an ab initio calculation of a three-body scattering wave function in spherical coordinates, we present a combination of new numerical tools for the evaluation of ionization cross sections.