Method for quench correction in liquid scintillation counters

Details Method for quench correction in liquid scintillation counters Method for quench correction in liquid scintillation counters

1980-12-24

1984-01-24

Howell, Janice A.

Radiant energy

Automatic/serial detection of similar sources

250366, G01T 120

Patent

active

044278870

ABSTRACT:
A method for determining the quench corrected counting yield of samples which emit ionizing radiation that is subject to quenching in a liquid scintillation counter. The output signal of a photoelectric transducer device is used to measure the counting rates of the sample spectrum in different given pulse height ranges. A value characteristic for the quenching is derived from the measurement to determine a quench corrected counting a yield. The value characteristic for the quenching is derived by assigning a given numerical relationship between the counting rates in the different given pulse height ranges; choosing a shift parameter which when varied causes a relative shift between the given pulse height ranges, on the one hand, and the sample spectrum on the other hand; effecting the relative shift by varying the shift parameter until the counting rates take on the given numerical relationship; and determining the shift parameter value that produces the numerical relationship as the value characteristic for the quenching.

REFERENCES:
patent: 3560744 (1971-02-01), Jordan
patent: 4060728 (1977-11-01), Horrocks
patent: 4075480 (1978-02-01), Horrocks
patent: 4187426 (1980-02-01), Jordan
patent: 4292520 (1981-09-01), Jordan
Horrocks, "Applications of Liquid Scintillation Counting", Academic Press, Inc. 1974, pp. 208-225.

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