Abstract
Observation of the wave form of current during a Geiger discharge indicates the presence of a component due to electron collection ammounting to as much as 50 percent of the total energy involved in the discharge. It appears, therefore, that the initial ion sheath can have a mean radius of the order of 10 to 15 times the radius of the center wire. Apparatus is described, wave forms are shown and the method used to evaluate electron component and mean radius of ion sheath is indicated. Results for two tubes with different quenching vapors are tabulated.
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