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This paper describes a timing circuit for the measurement of short time intervals between pulses from Geiger-Mueller counters. By means of a direct comparison with the frequency of a piezoelectric crystal time intervals from 0 to 10 microseconds can be measured within ±0.03 microsecond. This circuit has already been used at Climax, Colorado for the determination of the mean life of cosmic-ray mesotrons.
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H. K. Ticho (1947) studied this question.
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