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Geiger-Müller – Quenching

external quenching consists of some method for reducing the high voltage applied to the tube, for a fixed time after each pulse, to a value that is too low to support further gas multiplication

one method of external quenching is simply to choose R to be a large enough value (typically 108 ohms) so that time constant of the charge collection circuit is of the order of a millisecond

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