Theoretical study on laser-assisted electron momentum spectroscopy of helium

28th International Conference on Photonic, Electronic and Atomic Collisions

Bulychev, Andrey A.^1 ; Kouzakov, Konstantin A.^2,3 ; Popov, Yuri V.^3

Joint Institute for Nuclear Research, Moscow Region, Dubna

141980, Russia^1

Department of Nuclear Physics and Quantum Theory of Collisions, Faculty of Physics, Lomonosov Moscow State University, Moscow

119991, Russia^2

Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow

119991, Russia^3

关键词: Electron momentum spectroscopy;    Fast-electron impact;    Ionization excitation;    Laser-assisted;    Linearly polarized laser field;    Theoretical study;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/488/11/112001/pdf
DOI  :  10.1088/1742-6596/488/11/112001

来源: IOP

【 摘 要 】

Ionization-excitation of helium by fast electron impact at large energy and momentum transfer and in the presence of a linearly polarized laser field is considered theoretically. The momentum profiles of He for transitions to the n 1 and 2 states of He+are discussed.