Abstract.
Highly resolved Doppler shifted peaks of the hydrogen Balmer lines, resulting from charge exchange of H+, H2 +, and H3 + with an H2 gas target, were obtained without the need for a deconvolution procedure. This enabled the unambiguous determination of the chemistry of these hydrogen species in the units of mTorr pressure range. This was obtained from a gaseous discharge using a biconical hollow cathode that yielded a well collimated and monoenergetic beam.
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Fitzgerald, M., Khachan, J. & Bosi, S. Relative densities of hydrogen ion species in a hollow cathode glow discharge. Eur. Phys. J. D 39, 35–39 (2006). https://doi.org/10.1140/epjd/e2006-00070-x
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DOI: https://doi.org/10.1140/epjd/e2006-00070-x