Charge transfer between C2+ and H2, N2, He, and CO at electron-volt energies

Details Charge transfer between C2+ and H2, N2, He, and CO at electron-volt energies Charge transfer between C2+ and H2, N2, He, and CO at electron-volt energies

Nov 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003phrva..68e2704g&link_type=abstract

Physical Review A, vol. 68, Issue 5, id. 052704

Physics

3

Charge Transfer, Ion-Molecule, Ion-Ion, And Charge-Transfer Reactions, Optical Cooling Of Atoms, Trapping, Atomic Processes And Interactions

Scientific paper

We measured the total charge-transfer rate coefficients for C2+ with H2, N2, and CO using a cylindrical radiofrequency ion trap. C2+ ions were produced by the electron impact of residual CO in an ultrahigh-vacuum chamber. The rate coefficients for C2+ with H2, N2, and CO are measured to be 8.77 (0.71)×10-11 cm3 s-1 (Tequiv=2.63×103 K), 1.08 (0.07)×10-10 cm3 s-1 (Tequiv=1.17×104 K), and 4.58 (0.29)×10-10 cm3s-1 (Tequiv=1.17×104 K). The rate coefficient for C2+ with He is estimated to be less than 10-12 cm3s-1 (Tequiv=4.38×103 K).

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