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Santander, Spain

Alonso O.,University of Barcelona | Casanova R.,University of Barcelona | Dieguez A.,University of Barcelona | Dingfelder J.,University of Bonn | And 84 more authors.
IEEE Transactions on Nuclear Science | Year: 2013

The DEPFET collaboration develops highly granular, ultra-transparent active pixel detectors for high-performance vertex reconstruction at future collider experiments. The characterization of detector prototypes has proven that the key principle, the integration of a first amplification stage in a detector-grade sensor material, can provide a comfortable signal to noise ratio of over 40 for a sensor thickness of 50-75 μm. ASICs have been designed and produced to operate a DEPFET pixel detector with the required read-out speed. A complete detector concept is being developed, including solutions for mechanical support, cooling, and services. In this paper, the status of the DEPFET R & D project is reviewed in the light of the requirements of the vertex detector at a future linear e+e- collider. © 1963-2012 IEEE.

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