M.i.p. detection performances of a 100 us read-out CMOS pixel sensor with digitised outputs
msra(2009)
摘要
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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关键词
spatial resolution,high resolution,charged particles,high energy physics
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