Method for measuring time determination in a radiation measuring

Details Method for measuring time determination in a radiation measuring Method for measuring time determination in a radiation measuring

1978-01-18

1981-01-06

Smith, Alfred E.

Radiant energy

Calibration or standardization methods

250328, 250364, G01D 1800, G01T 100, G01T 120

Patent

active

042438802

ABSTRACT:
In an instrument for measuring radioactivity, the total measuring time for each sample is optimized by considering the maximum acceptable total counting error as well as the count rate. Each sample is counted for a period of time that is considerably shorter than the required measuring time but long enough to estimate the average pulse frequency, then the measuring time is determined as a function of the estimated pulse frequency and of the experimental error as determined by the channels ratio method.

REFERENCES:
patent: 3486007 (1969-12-01), Jacobson
patent: 3553728 (1971-01-01), Frank et al.
patent: 3729677 (1973-04-01), Band
patent: 4133039 (1979-01-01), Eichenlaub

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