Charge transfer between the 2p2 3P ground-state O2+ ion and He, H2, N2, and CO at electron-volt energies

Details Charge transfer between the 2p2 3P ground-state O2+ ion and He, H2, N2, and CO at electron-volt energies Charge transfer between the 2p2 3P ground-state O2+ ion and He, H2, N2, and CO at electron-volt energies

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phrva..51.1321f&link_type=abstract

Physical Review A (Atomic, Molecular, and Optical Physics), Volume 51, Issue 2, February 1995, pp.1321-1326

Physics

13

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

Scientific paper

The charge-transfer rate coefficients for the reaction O2+(2p2 3P)+He, H2, N2, and Co --> products are measured at energies about 2.5 eV using a laser-induced-plasma ion source and ion storage. The rate coefficients are 1.12(0.15)×10-12 cm3 s-1, 2.35(0.22)×10-9 cm3 s-1, 3.15(0.26)×10-9 cm3 s-1, and 3.40(0.29)×10-9 cm3 s-1, respectively. While our result for O2+ and H2 is consistent with the published value, the charge-transfer rate coefficient for O2+ and He disagrees with all the available theoretical and experimental values by as much as three orders of magnitude. No theoretical value is available for O2++N2. However, our measured value at 2×104 K is different from that obtained by the drift tube method at 300 K by a factor of 2. No theoretical and experimental values are available for comparison for the charge-transfer reaction of O2+ and CO.

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