Method and device to overcome the pile-up effect in scintillatio

Details Method and device to overcome the pile-up effect in scintillatio Method and device to overcome the pile-up effect in scintillatio

1985-01-25

1986-09-16

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250369, 250363R, G01T 1208

Patent

active

046124438

ABSTRACT:
To overcome the pile-up effect in a scintillation detection system, in particular in a scintillation counter, electrical pulses leaving the scintillation detection system are passed through a first and a second circuit line. In the first line, they are not changed with respect to shape and time. In the second line, they are corrected with a delay of the wave front rise. The output signal of the second line is subtracted from the output signal of the first line such that the contribution of any previous pulse that precedes by a short period of time is subtracted from the amplitude of each pulse. The delay is achieved, for example, by inserting a rapid amplifier in the first line, and a slow amplifier or a low pass filter in the second line. The subtraction is achieved e.g. by means of a rapid differential amplifier.

REFERENCES:
patent: 3102954 (1963-09-01), Richardson et al.
patent: 3525047 (1970-08-01), Schwartz
patent: 4305042 (1981-12-01), Tanaka et al.

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