Mainz 2012 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 57: Instrumentation
HK 57.6: Vortrag
Freitag, 23. März 2012, 12:30–12:45, P 2
Experimental Tests and GEANT4 Simulations of Detectors for the EXL — •J. C. Zamora1, T. Kröll1, M. v. Schmid1, T. Davinson2, P. Egelhof3, V. Eremin4, S. Ilieva1, N. Kalantar5, M. A. Najafi5, M. Mutterer3, C. Rigollet5, J. A. Scarpaci6, B. Streicher3,5, J. Van de Walle5, and P. J. Woods2 — 1IKP, TU Darmstadt — 2University of Edinburgh — 3GSI, Darmstadt — 4PTI, St. Petersburg — 5KVI, Groningen — 6IPN, Orsay
The aim of the EXL project is the investigation of light-ion reactions in inverse kinematics by using the storage ring NESR (at FAIR) and a universal detector system providing high resolution and large solid angle coverage in kinematically complete measurements. The design of this detector system includes different silicon (Si(Li) and DSSD) detectors for tracking and energy measurements, as well as CsI scintillators for an external calorimeter shell. Prototypes of these detectors have already been constructed and tested in experiments, e.g., one performed at KVI with 135 MeV protons. Nevertheless, some questions have arisen regarding the complete understanding of the single detector response, and also, the possible influence in neighbor ones. In order to comprehend the experimental response of these detectors, we have performed GEANT4 simulations for the different tested devices. Simulations describe the experimental results successfully, what will help us to investigate more complex processes, such as light cross-talk between scintillation crystals or charge cross-talk in DSSD. Current status of the simulations and comparison with the experimental results will be discussed. Work supported by HIC for FAIR and BMBF (06DA9040I).