Possible ionization of mercury atoms by elastic reflection in hyperthermal surface ionization experiments
N. M. BlashenkovA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgG. Ya. Lavrent’evA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg,
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An elastic collision model baed on data given by Danon et al. [Phys. Rev. Lett. 65, 2038 (1990)] was used to calculate the ionization potential of mercury atoms (V′) at the critical charge transfer distance as a function of the kinetic energy of the atoms (E). The linear dependence V′(E) obtained supports the model of surface ionization of mercury atoms by elastic reflection from a surface.
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