{We compare the negative ion fraction obtained for scattering of hydrogenous ions (Hx+

The American Institute of Physics
C. Jacquot

Gleeson, M. A., Koppers, W. R., Tsumori, K., & Kleyn, A. W. (1998). Negative ion yields in hydrogen scattering from graphite surfaces. In C. Jacquot (Ed.), Production and Neutralization of Negative Ions and Beams: Eight International Symposium / Production and Application of Light Negative Ions: Seventh European Workshop : A joint meeting (pp. 37–40).