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The paper derives the probability of escape from a half-space of photosensitive material for an electron at a given distance from the surface, assuming that after being energized it can only experience either elastic scattering or absorption. From this, the electron yield is calculated for both the two- and three- dimensional problems. The cases when absorption is much more probable than collision (and vice versa) are investigated in detail.
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P. Beckmann (1966) studied this question.
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