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DEPFET active pixel detectors for a future linear e^+e^- collider

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arxiv 1212.2160 v1 pith:HWETLKSY submitted 2012-12-10 physics.ins-det hep-ex

DEPFET active pixel detectors for a future linear e^+e^- collider

classification physics.ins-det hep-ex
keywords depfetdetectorcolliderfuturepixelactivedetectorslinear
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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 $\mathrm{\mathbf{\mu m}}$. 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 DEPFET R & D project is reviewed in the light of the requirements of the vertex detector at a future linear $\mathbf{e^+ e^-}$ collider.

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