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Heidelberg 2015 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 4: Instrumentation 3

HK 4.7: Talk

Monday, March 23, 2015, 16:00–16:15, M/HS4

Digital signal processing applied to fast scintillators response — •Guillermo Fernández Martínez, Anna-Lena Hartig, Ilja Homm, Alexander Ignatov, Thorsten Kröll, and Han-Bum Rhee for the R3B collaboration — Institut für Kernphysik, TU Darmstadt, Germany

The future Facility for Antiproton and Ion Research (FAIR) will house the calorimeter and spectrometer CALIFA, whose design, construction and testing are currently being carried out by the R3B collaboration. CALIFA is an array of scintillation crystals arranged in a barrel configuration, which covers a large solid angle. Some of the scintillation materials under consideration (LaBr3(Ce), LaCl3(Ce) and CeBr3) have been developed in the last few years. Their main characteristic is a combination of good energy and time resolution with high efficiency. On the other hand, fast digitisers allow the collection of data at increasingly higher sampling frequencies. They are also much more reliable and easily scalable for large arrays than traditional analog electronics. Our research takes advantage of these features and is therefore focused on the analysis of digitised pulses, which, in addition to energy and time determination, enables particle identification. In this contribution we present results obtained in different campaigns.
This work is supported by BMBF(06DA9040I, 05P12RDFN8), HIC for FAIR and GSI-TU Darmstadt cooperation contract.

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