A Proposed Modification of the Cavity Theory for Electrons

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Abstract
An empirical expression of cavity theory for electron fields is developed in a fashion similar to Burlin's general theory of cavity ionization for photons. It incorporates a term that relates the absorbed dose ratio in the cavity and material medium to the differences in electron scattering. This new expression correlates very well with experimental observations for (1) progressively increasing LiF cavity sizes embedded in different media, (2) the energy response of LiF at high electron energies relative to 60Co and (3) the absorbed dose conversion factors CE in the ionization chamber dosimetry of electron beams.

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