Operational experience with the CMS pixel detector

Karancsi, János and CMS, Collaboration (2015) Operational experience with the CMS pixel detector. JOURNAL OF INSTRUMENTATION, 10 (5). ISSN 1748-0221

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Abstract

In the first LHC running period the CMS-pixel detector had to face various operational challenges and had to adapt to the rapidly changing beam conditions. In order to maximize the physics potential and the quality of the data, online and offline calibrations were performed on a regular basis. The detector performed excellently with an average hit efficiency above 99% for all layers and disks. In this contribution the operational challenges of the silicon pixel detector in the first LHC run and the current long shutdown are summarized and the expectations for 2015 are discussed.

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