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In order to cope with the required precision tracking and trigger capabilities from Run III onwards in the ATLAS experiment, the innermost layer of the Muon Spectrometer endcap (Small Wheels) will be upgraded. Each of the two New Small Wheels (NSW) will be equipped with eight layers of MicroMegas (MM) detectors and eight layers of small-strip Thin Gap Chambers (sTGC), both arranged in two quadruplets...
During 2006 and spring 2007, integration and commissioning of trigger and data acquisition (TDAQ) equipment in the ATLAS experimental area has progressed. Much of the work has focused on a final prototype setup consisting of around eighty computers representing a subset of the full TDAQ system. There have been a series of technical runs using this setup. Various tests have been run including ones...
ATLAS is one of the four experiments under construction along the Large Hadron Collider (LHC) ring at CERN. The LHC will produce interactions at a center-of-mass energy equal to radics = 14 TeV at 40 MHz rate. The detector consists of more than 140 million electronic channels. The challenging experimental environment and the extreme detector complexity impose the necessity of a common scalable distributed...
ATLAS is one of the four experiments under construction along the Large Hadron Collider at CERN. During the 2004 combined test beam, the GNAM monitoring system and the OHP histogram presenter were widely used to assess both the hardware setup and the data quality. GNAM is a modular framework where detector specific code can be easily plugged in to obtain online low-level monitoring applications. It...
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