Measurement of single event upsets in the ALICE-TPC front-end electronics

Details Measurement of single event upsets in the ALICE-TPC front-end electronics Measurement of single event upsets in the ALICE-TPC front-end electronics

2011-10-14

arxiv.org/abs/1110.3232v1

Physics

Instrumentation and Detectors

Scientific paper

The Time Projection Chamber of the ALICE experiment at the CERN Large Hadron Collider features highly integrated on-detector read-out electronics. It is following the general trend of high energy physics experiments by placing the front-end electronics as close to the detector as possible -- only some 10 cm away from its active volume. Being located close to the beams and the interaction region, the electronics is subject to a moderate radiation load, which allowed us to use commercial off-the-shelf components. However, they needed to be selected and qualified carefully for radiation hardness and means had to be taken to protect their functionality against soft errors, i.e. single event upsets. Here we report on the first measurements of LHC induced radiation effects on ALICE front-end electronics and on how they attest to expectations.

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