TY  - THES
AU  - Silva, Joel
TI  - Digital Signal Analysis for CsI(T1) Detectors and the Active-Target at R<sup>3</sup>B
PB  -  Johannes Gutenberg-Universität Mainz 
VL  - Dissertation
M1  - GSI-2019-00703
SP  - 138 S.
PY  - 2016
N1  - Dissertation,  Johannes Gutenberg-Universität Mainz , 2016
AB  - Modern experimental setups tend to replace analogue front-end electronics with fully digital systems.The detector signals are sampled in early stages and most of the signal processing is performeddigitally. The presented work is divided into two major subjects involving digital signalanalysis: firstly employed to correct temperature dependent gain variations and perform particleidentification of CsI(T1) based detectors and secondly to test the functionality of an active-targetprototype (AcTar) for the Reactions with Relativistic Radioactive Beams (R<sup>3</sup>B) setup.In the first part of this work a pulse shape based method for monitoring the interior temperatureof the CsI(Tl) crystal is proposed. The method uses the correlation between the gain and definedpulse shape parameters to correct the effect of temperature variations in the energy calibration ofthe corresponding detector system. The suitability of the method was tested using both, a photomultipliertube (PMT) and an avalanche photodiode (APD) readout photosensor. The analysisshows that the gain changes due to temperature variations can be corrected to a precision betterthan 1
LB  - PUB:(DE-HGF)11
UR  - https://repository.gsi.de/record/218886
ER  -