M.i.p. detection performances of a 100 us read-out CMOS pixel sensor with digitised outputs

Details M.i.p. detection performances of a 100 us read-out CMOS pixel sensor with digitised outputs M.i.p. detection performances of a 100 us read-out CMOS pixel sensor with digitised outputs

2009-02-16

arxiv.org/abs/0902.2717v1

Physics

Instrumentation and Detectors

3 pages, 1 figure, LCWS08 proceedings

Scientific paper

Swift, high resolution CMOS pixel sensors are being developed for the ILC vertex detector, aiming to allow approaching the interaction point very closely. A major issue is the time resolution of the sensors needed to deal with the high occupancy generated by the beam related background. A 128x576 pixel sensor providing digitised outputs at a read-out time of 92.5 us, was fabricated in 2008 within the EU project EUDET, and tested with charged particles at the CERN-SPS. Its prominent performances in terms of noise, detection efficiency versus fake hit rate, spatial resolution and radiation tolerance are overviewed. They validate the sensor architecture.

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