Data encoding efficiency in pixel detector readout with charge information

Maurice Garcia-Sciveres; Xinkang Wang

doi:10.1016/j.nima.2016.01.014

Data encoding efficiency in pixel detector readout with charge information

Instrumentation and Detectors 2016-01-11 v3 High Energy Physics - Experiment

Authors: Maurice Garcia-Sciveres , Xinkang Wang

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Abstract

The average minimum number of bits needed for lossless readout of a pixel detector is calculated, in the regime of interest for particle physics where only a small fraction of pixels have a non-zero value per frame. This permits a systematic comparison of the readout efficiency of different encoding imple- mentations. The calculation is compared to the number of bits used by the FE-I4 pixel readout chip of the ATLAS experiment.

Keywords

detector readout electronics particle detector

Cite

@article{arxiv.1508.02099,
  title  = {Data encoding efficiency in pixel detector readout with charge information},
  author = {Maurice Garcia-Sciveres and Xinkang Wang},
  journal= {arXiv preprint arXiv:1508.02099},
  year   = {2016}
}

Comments

13 pages, 6 figures

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