Preprint / physics.ins-det / hep-ex arXiv:0902.2717

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

Winter, Marc ; Baudot, Jerome ; Besson, Auguste ; Colledani, Claude ; Degerli, Yavuz ; De Masi, Rita ; Dorokhov, Andrei ; Doziere, Guy ; Dulinski, Wojciech ; Gelin, Marie ; Guilloux, Fabrice ; Himmi, Abdelkader ; Hu-Guo, Christine ; Morel, Frederic ; Orsini, Fabienne ; Valin, Isabelle ; Voutsinas, Georgios


Abstract: 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.

Note: Comments: 3 pages, 1 figure, LCWS08 proceedings

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 Record created 2009-03-31, last modified 2009-03-31

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