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Bonn 2020 – wissenschaftliches Programm

Die DPG-Frühjahrstagung in Bonn musste abgesagt werden! Lesen Sie mehr ...

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HK: Fachverband Physik der Hadronen und Kerne

HK 40: Instrumentation IX

HK 40.7: Vortrag

Mittwoch, 1. April 2020, 18:30–18:45, J-HS K

A Sampling ADC-readout for the Crystal Barrel Calorimeter - Digital Filtering and Deconvolution, Pile-Up Detection and Recovery — •Jan Schultes for the CBELSA/TAPS collaboration — HISKP, Universität Bonn

The Crystal Barrel Calorimeter consists of 1320 CsI(Tl) scintillating crystals, which are read out by Avalanche-Photo-Diodes after a recent upgrade. As first step of a further upgrade and since those have to cope with the highest rates, the signals of the forward part of the detector are now digitized by FPGA-controlled Sampling ADCs. This offers new possibilities to detect pile-up and perform pile-up recovery, thus allowing to reach even higher rates without a loss of data quality in the main calorimeter. It has been shown that it is possible to detect pile-up events with high sensitivity using the new setup. Results of the subsequent pile-up correction as well as its impact on data analysis are presented alongside the discussion of specifically developed methods in digital signal processing, filtering and deconvolution.

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