A High Rate Amplifier-Digitizer System for Liquid Argon Calorimeters

A low cost charge amplifier for a liquid argon photon detector and a new method for pulse height analysis are described. This scheme is suitable for high energy photon detection with high counting rate. Samples of preamplifier output are taken just before and just after the arrival of the charge fro...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 1978-02, Vol.25 (1), p.687-691
Main Authors: Droege, T. F., Lobkowicz, F., Fukushima, Y.
Format: Article
Language:English
Subjects:
Argon
Capacitance
Detectors
Energy resolution
Low-frequency noise
Low-noise amplifiers
Pulse amplifiers
Pulse measurements
Pulse transformers
Strips
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Description
Summary:A low cost charge amplifier for a liquid argon photon detector and a new method for pulse height analysis are described. This scheme is suitable for high energy photon detection with high counting rate. Samples of preamplifier output are taken just before and just after the arrival of the charge from the detector. The difference of these samples provides a stable pedestal and rejects low frequency noise. Short two-pulse resolving time (≃200ns) is achieved.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.1978.4329393