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Data Acquisition and Data Processing

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Measurement of the Inclusive Electron Cross-Section from Heavy-Flavour Decays and Search for Compressed Supersymmetric Scenarios with the ATLAS Experiment

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Abstract

This chapter describes the acquisition and processing of data from the ATLAS detector.

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Notes

  1. 1.

    In addition, the colour grey indicates “undefined” usually due to insufficient statistics and the colour black is used if the corresponding subsystem is not operational.

  2. 2.

    A cone algorithm uses the energy depositions inside a cone of given size around a pre-defined jet seed to recalculate the jet four momentum. The procedure is repeated iteratively until the jet position has stablized.

  3. 3.

    A luminosity block is a short time interval (typically 1–2 min) during a detector run in which the data-taking conditions (detector and beam conditions) were approximately stable.

  4. 4.

    D3PDs are centrally produced at Tier-1 and Tier-2 computing centers via the computing grid interface.

  5. 5.

    A cache is a lightweight collection of a small number of software packages built on top of an existing release.

  6. 6.

    The inside-out tracking algorithm starts with three hits in the silicon detectors and subsequently includes more hit information at outer radii using a combinatorical Kalman filter. The tracks are extended to the TRT.

  7. 7.

    The back-tracking algorithm uses TRT track segments and extends them to the silicon detectors.

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Authors and Affiliations

  1. PH Division, CERN, Geneva 23, Switzerland

    Moritz Backes

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  1. Moritz Backes
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Correspondence to Moritz Backes .

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Backes, M. (2014). Data Acquisition and Data Processing. In: Measurement of the Inclusive Electron Cross-Section from Heavy-Flavour Decays and Search for Compressed Supersymmetric Scenarios with the ATLAS Experiment. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-07136-7_4

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