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Report No.

Charge transfer cross sections of slow multiply charged neon ions in collisions with noble gas atoms

Kusakabe, Toshio*; Shirai, Toshizo*

We have measured the single- and multiple-charge transfer cross sections of Ne$$^{q+}$$ ions (q = 2 $$sim$$ 6) in collisions with Ne, Ar, Kr and Xe atoms at 2 kV in acceleration voltage. The multiply charged neon ions were extracted from a compact electron beam ion source called micro-EBIS using a strong ring permanent magnet. The cross sections of charge transfer were determined based on an initial growth rate method. In the Ne$$^{5+}$$ + Ar, Kr and Xe, and Ne$$^{6+}$$ + Ne, Ar and Xe collisions, five fold-charge transfer cross sections were derived. In the Ne atoms, the double-charge transfer of Ne$$^{2+}$$ ions, triple-charge transfer ofNe$$^{3+}$$ ions, and four fold-charge transfer of Ne$$^{4+}$$ ions are the so-called symmetric resonant charge transfer processes. The present data in these collisions are found to be in good accordance with the previous data of Kaneko et al.



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