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Münster 2017 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 27: Poster

HK 27.87: Poster

Dienstag, 28. März 2017, 16:45–18:45, F Foyer

Development of an automatic calibration routine for the preamplifier of the electromagnetic calorimeter for PANDA at FAIRA. Ahmed1,2, A. Aycock1,2, L. Capozza1, A. Dbeyssi1, B. Fröhlich1,2, •P. Grasemann1,2, S. Haasler1,2, D. Izard1, D. Khaneft1,2, J. Köhler1,2, F. Maas1,2,3, M. Carmen Mora Espí1, O. Noll1,2, D. Rodríguez Piñeíro1, J. Jorge Rico1, S. Wolff1,2, M. Zambrana1,2, and I. Zimmermann1,2 for the PANDA collaboration — 1Helmholtz-Institut Mainz, Mainz, Germany — 2Institute of Nuclear Physics, Mainz, Germany — 3PRISMA Cluster of Excellence, Mainz, Germany

The PANDA experiment will be one of the key projects of the new accelerator facility FAIR in Darmstadt. With its mature detector system, it will be able to observe a variety of physical channels. Thus, it will make a huge contribution to the understanding of the strong interaction. The electromagnetic process group (EMP) in Mainz is developing the backward end-cap (BWEC) of the electromagnetic calorimeter (EMC). The EMC produces scintillation light which is detected by Avalanche Photodiodes. The charge is collected and amplified by the so-called APFEL-ASIC preamplifier. To fit the ASIC signals to the operating area of the ADC, it is possible to set reference voltages at the preamplifier. Considering that the BWEC itself has 524 crystals with 2096 signals in total, an automatic process to get the signals into this operating area is necessary. On my poster I will point out a routine to set the reference voltages of the preamplifier automatically and explain the device for the implementation of the routine.

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