Collisional production of metastable hydrogen atoms from cold H2

28th International Conference on Photonic, Electronic and Atomic Collisions

Medina, A.^1 ; Rahmat, G.^2 ; Jalbert, Ginette^3 ; Carvalho, C. R. De^3 ; Zappa, F.^4 ; Nascimento, R.F.^5 ; Faria, N. V. De Castro^3 ; Robert, J.^2

Instituto de Física, Universidade Federal da Bahia, Salvador

BA

40210-340, Brazil^1

Laboratoire Aimé Cotton CNRS, Université Paris Sud 11, Orsay cedex

91405, France^2

Instituto de Física, University Federal Do Rio de Janeiro, Cx. Postal 68528, Rio de Janeiro, RJ

21941-972, Brazil^3

Departamento de Física, Universidade Federal de Juíz de Fora, Juiz de Fora, MG

36036-330, Brazil^4

CEFET/RJ, UnED, Petrópolis, RJ

25620-003, Brazil^5

关键词: Collisional;    Electron impact;    H2 molecule;    Hydrogen atoms;    Neutral fragments;    Time of flight;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/488/5/052028/pdf
DOI  :  10.1088/1742-6596/488/5/052028

来源: IOP

【 摘 要 】

We have investigated the production of metastable H(22S) coming from the dissociation of cold H2 molecules by electron impact. Two detectors have analysed the neutral fragments as a function of their time-of-flight through localized quenching of H(22S) in H(22P) and Lyman-a detection.