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ATLAS Data Quality Operations and Performance for 2015-2018 Data-taking
by Fabian Becherer, Felix Bührer, Simona Gargiulo, Carlos García-Argos, Giulia Gonella, Ralf Gugel, Manuel Guth, Kim K. Heidegger, Gregor Herten, Shigeki Hirose, David Hohn, Jan Cedric Hönig, Karl Jakobs, Peter Jenni, Stephen Jiggins, Thorwald Klapdor-Kleingrothaus, A. Knue, Karsten Köneke, Oleg Kuprash, Ulrich Landgraf, Alena Lösle, Christian Lüdtke, Veronika Magerl, Théo Megy, Philipp Mogg, Ulrich Parzefall, Benoit Roland, Benjamin Rottler, Frederik Rühr, Zuzana Rúriková, Dirk Sammel, Frank Sauerburger, Katharina E. Schleicher, Ulrike Schnoor, Patrick G. Scholer, Markus Schumacher, Dennis Sperlich, Christian Weiser, Liv Wiik-Fuchs, Benedict T. Winter, Julian Wollrath, Simone Zimmermann, ATLAS Collaboration CERN · 2020
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Abstract: The ATLAS detector at the Large Hadron Collider reads out particle collision data from over 100 million electronic channels at a rate of approximately 100 kHz, with a recording rate for physics events of approximately 1 kHz. Before being certified for physics analysis at computer centres worldwide, the data must be scrutinised to ensure they are clean from any hardware or software related issues that may compromise their integrity. Prompt identification of these issues permits fast action to investigate, correct and potentially prevent future such problems that could render the data unusable. This is achieved through the monitoring of detector-level quantities and reconstructed collision event characteristics at key stages of the data processing chain. This paper presents the monitoring and assessment procedures in place at ATLAS during 2015-2018 data-taking. Through the continuous improvement of operational procedures, ATLAS achieved a high data quality efficiency, with 95.6% of the recorded proton-proton collision data collected at √s=13 TeV certified for physics analysis