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  • LHC page 1 showing the CMS luminosity recorded in this record fill.

Over the course of 16.5 hours ending Wednesday, Sept. 14, the CMS experiment recorded 113.4 inverse picobarns of data, more than three times the 36 inverse picobarns it recorded in all of 2010. The detector's data-taking efficiency was impressively high. CMS recorded almost 97 percent of the 117.4 inverse picobarns of luminosity the LHC accelerator delivered. This occurred just days after a period of machine development and a technical stop, a time during which operators are usually working out the kinks in the updated accelerator. The ramp-up was the machine's fastest yet. -- Kathryn Grimm

Tags / keywords: LHC fill, luminosity