CERN Accelerating science

ATLAS Note
Report number	ATL-DAQ-PROC-2009-039
Title	The ATLAS Level-1 Muon Barrel Trigger timing studies using combined trigger and offline tracking
Author(s)	Salamanna, G (NIKHEF, Amsterdam)
Corporate Author(s)	The ATLAS collaboration
Publication	2009
Imprint	23 Nov 2009
Number of pages	5
In:	IEEE Nuclear Science Symposium And Medical Imaging Conference, Orlando, FL, USA, 25 Oct - 31 Oct 2009
Subject category	Detectors and Experimental Techniques
Accelerator/Facility, Experiment	CERN LHC ; ATLAS
Free keywords	L1 Muon Barrel Trigger ; Timing ; Cosmic-Ray commissioning ; IEEE 2009
Abstract	I present here the strategy and tools developed to time in all the elements of the Level-1 Muon Barrel Trigger of the ATLAS experiment at the CERN Large Hadron Collider. \ A perfect synchronicity a\nmong the various trigger elements and with the LHC Bunch Crossing time is vital for the correctness of the ATLAS physics results. I review the possible sources of delays and how they are accounted a\nnd corrected for, using a large sample of cosmic ray data collected by ATLAS; and present initial results, that will be refined with early LHC collision data.
Copyright/License	Preprint: (License: CC-BY-4.0)

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