Typ

Artikel in einem Journal

Gebiet

Detektorentwicklung

Autor

M. Lupberger, Y. Bilevych, H. Blank, D. Danilov, K. Desch, A. Hamann, J. Kaminski, W. Ockenfels, J. Tomtschak, S. Zigann-Wack

Titel

Toward the Pixel-TPC: Construction and Operation of a Large Area GridPix Detector

Datum

2017-05

Reportnummer

IEEE Trans. Nucl. Sci. Vol. 64 No. 5 May 2017 pp 1159-1167

Kurzfassung

We report on the construction of the largest GridPix detector to date and its successful operation as readout of a time projection chamber (TPC). By combining a charge sensitive pixelized readout chip with a micropattern gaseous detector, the GridPix features a high granularity with single electron detection and integrated signal processing. The readout structure consists of 160 GridPixes with a total of 10.5 million pixels, each of a size of 55×55 μm². With a sensitive area of 320 cm², it is a factor 20 larger than previously operated systems. We report on the integration of such a large number of GridPixes into a single compact detector, including cooling, readout electronics, and low-voltage and high-voltage power supply, and on the performance during a two weeks test beam campaign at DESY. The large area pixelated readout for gaseous detectors can be applied for different detectors. In our developments, we focused on an application for a TPC.

Journal

doi:10.1109/TNS.2017.2689244