ATLAS Tile Calorimeter time calibration, monitoring and performance in Run 2
February 25, 2021
The Tile Calorimeter is the central hadronic calorimeter of the ATLAS experiment at the Large Hadron Collider at CERN. This sampling device uses steel plates as absorber and scintillating tiles as active medium. Its response is calibrated to the electromagnetic energy scale by means of several dedicated calibration systems. Accurate time calibration is important for energy reconstruction and non-collision background removal. The principle, procedure, and results of time calibration using collision data are presented. Monitoring of the time calibration with a laser system and collision data are discussed as well. Finally, the time resolution as measured with jets in Run 2 is presented.
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