Method for determining random coincidence count rate in a scinti

Details Method for determining random coincidence count rate in a scinti Method for determining random coincidence count rate in a scinti

1976-06-07

1978-01-31

Dixon, Harold A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250328, 250366, G01T 120

Patent

active

040717615

ABSTRACT:
A method for the reliable determination of a random coincidence count attributable to chance coincidences of single-photon events which are each detected in only a single detector of a scintillation counter utilizing two detectors in a coincidence counting technique. The method includes the steps of measuring a coincidence count rate as indicated by essentially coincident output pulses from the detectors, measuring a single photon count rate as indicated by output pulses from both of the detectors, whether coincident or not, and determining a random coincidence count rate from the difference between the single photon count rate and the measured coincidence count rate. From the random coincidence count rate thus determined, a percentage error value can be determined, for application, if desired, to subsequently or concurrently measured sample radiation counts.

REFERENCES:
patent: 3626187 (1971-12-01), Laney
patent: 3772512 (1973-11-01), Laney

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