Single- and double-electron-capture collision of Cq+ ( q=3,4 ) with CO at keV energies

Details Single- and double-electron-capture collision of Cq+ ( q=3,4 ) with CO at keV energies Single- and double-electron-capture collision of Cq+ ( q=3,4 ) with CO at keV energies

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004phrva..69e2715g&link_type=abstract

Physical Review A, vol. 69, Issue 5, id. 052715

Physics

2

Charge Transfer, Optical Cooling Of Atoms, Trapping, Plasma Production And Heating By Laser Beams, Atomic Processes And Interactions

Scientific paper

Absolute total single- and double-electron-capture cross sections for Cq+ ( q=3,4 ) with CO have been measured at ˜0.5 keV/amu using a reflection-time-of-flight mass spectrometer with a laser ablation ion source. The single- and double-electron-capture cross sections for C3+ with CO at 423±48 eV/amu are found to be ( 0.96±0.12 ) × 10-15 cm2 and ( 0.99±0.13 ) × 10-15 cm2 , respectively. The single- and double-electron-capture cross sections for C4+ with CO at 565±65 eV/amu are measured to be ( 3.16±0.42 ) × 10-15 cm2 and ( 1.05±0.21 ) × 10-15 cm2 , respectively. This suggests that double capture should not be ignored in modeling the emission from cascading processes in comet atmosphere.

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