Performance of the CMS Level-1 trigger during commissioning with cosmic ray muons and LHC beams

Mondal, N. K. ; et., al (2010) Performance of the CMS Level-1 trigger during commissioning with cosmic ray muons and LHC beams Journal of Instrumentation, 5 (3). T03002_1-T03002 _49. ISSN 1748-0221

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Official URL: http://iopscience.iop.org/1748-0221/5/03/T03002

Related URL: http://dx.doi.org/10.1088/1748-0221/5/03/T03002

Abstract

The CMS Level-1 trigger was used to select cosmic ray muons and LHC beam events during data-taking runs in 2008, and to estimate the level of detector noise. This paper describes the trigger components used, the algorithms that were executed, and the trigger synchronisation. Using data from extended cosmic ray runs, the muon, electron/photon, and jet triggers have been validated, and their performance evaluated. Efficiencies were found to be high, resolutions were found to be good, and rates as expected.

Item Type:Article
Source:Copyright of this article belongs to Institute of Physics.
Keywords:Trigger Algorithms; Trigger Concepts and Systems (Hardware and Software)
ID Code:90118
Deposited On:04 May 2012 13:50
Last Modified:04 May 2012 13:50

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