Positronium formation in positron-lithium collisions with Debye potentials

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

Wang, Yuancheng^1 ; Ma, Jia^2 ; Jiao, Liguang^3 ; Zhou, Yajun^4

College of Physics Science and Technology, Shenyang Normal University, Shenyang

110034, China^1

College of Science, Shenyang Aerospace University, Shenyang

110136, China^2

College of Physics, Jilin University, Changchun

130012, China^3

Institute of Atomic and Molecular Physics, Jilin University, Changchun

130012, China^4

关键词: Approximation model;    Debye plasmas;    Incident energy;    Positron-lithium collisions;    Positronium formation;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/875/6/052017/pdf
DOI  :  10.1088/1742-6596/875/6/052017

来源: IOP

【 摘 要 】

Synopsis Positronium (Ps) formation processes in positron-lithium collisions in Debye plasma environments are investigated using the screening approximation model. We present the Ps(1s) formation cross sections in the incident energy range 2-40eV for screening parameters m=0.00-0.25.