Ultracold collisions in metastable helium

23rd International Conference on Spectral Line Shapes

Peach, G.^1 ; Cocks, D.G.^2 ; Whittingham, I.B.^2

Department of Physics and Astronomy, University College London, London

WC1E 6BT, United Kingdom^1

College of Science and Engineering, James Cook University, Townsville

4811, Australia^2

关键词: Associative ionization;    Metastable helium;    Photoassociation;    Ultracold collisions;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/810/1/012003/pdf
DOI  :  10.1088/1742-6596/810/1/012003

来源: IOP

【 摘 要 】

Photoassociation processes are studied in ultracold collisions between different isotopes of metastable He(23S) and He(23P) atoms; Penning and associative ionization rates for collisions between two He(23S) atoms are also obtained. Comparisons are made with data from existing experiments.