Abstract
The ATLAS Tile Calorimeter (TileCal) is the central part of the hadronic calorimeter of the ATLAS experiment and provides important information for reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. The readout is segmented into nearly 10000 channels that are calibrated by means of Cesium source, laser, charge injection, and integratorbased systems. The data quality (DQ) relies on extensive monitoring of both collision and calibration data. Automated checks are performed on a set of pre-defined histograms and results are summarized in dedicated web pages. A set of tools is then used by the operators for further inspection of the acquired data with the goal of spotting the origins of problems or other irregularities. Consequently, the TileCal conditions data (calibration constants, channel statuses etc) are updated in databases that are used for the data-reprocessing, or serve as an important input for the maintenance works during the shutdown periods. This talk reviews the software tools used for the DQ monitoring with emphasis on recent developments aiming to integrate all tools into a single platform.
Highlights
The ATLAS Experiment [1] is a multi-purpose experiment located at the Large Hadron Collider at CERN
The Tile Calorimeter (TileCal) consists of three main parts: long barrel covering pseudorapidity2 in absolute value up to 1 and two extended barrels covering range between 0.8 and 1.7
The long barrel readout is split into two partitions marked as LBA and LBC and the two extended barrels are marked as EBA and EBC
Summary
The ATLAS Experiment [1] is a multi-purpose experiment located at the Large Hadron Collider at CERN It consists of many sub-systems designed to measure momentum and energy of particles as well as to provide particle identification. The Tile Calorimeter [2] (TileCal) is the main component of the hadronic calorimetry system and contributes to measurements of energy of jets, hadronically decaying tau leptons and missing transverse energy. It assists in identification of muons and provides one of the inputs to the trigger system. The long barrel readout is split into two partitions marked as LBA and LBC and the two extended barrels are marked as EBA and EBC. Each long barrel module has 16 DMUs which read out 48 channels, typical extended barrel module have 12 DMUs and 32 channels
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