The CMS Electromagnetic Calorimeter Data Acquisition System at the 2006 Test Beam.

Pasquale Musella,R Alemany,N Almeida,J Bourotte, F Beaudette,W Bialas, M Cerutti,A David, D L Evans, Y Geerebaert,P Gras,M Husejko,Ted Kolberg, A Paganini,J C Da Silva, P D Rumerio, Paulo Vitor Da Silva, Christophe Thiebaux,J Varela, E Vlassov

Batavia, IL（2007）

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摘要

The electromagnetic calorimeter of the CMS experiment at CERN is an homogeneous calorimeter made of about 80000 Lead Tungstate crystals, that will start to operate at the LHC at the end of 2007. From June to November 2006, ten barrel Supermodules (1700 crystals each) were exposed to beam at CERN SPS, both in standalone and in association with portions of the Hadron Calorimeter. We present the description of the system used to configure and readout the calorimeter during the campaign. The full set of final readout electronics boards was employed, together with the pre-series version of the data acquisition software. During the campaign, the hardware and software concepts for the final system were validated. The system allowed the intercalibration of the ten Supermodules and allowed to perform several important studies of the detector performances, such as energy resolution, response linearity and radiation-hardness.

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关键词

data acquisition,high energy physics instrumentation computing,nuclear electronics,particle calorimetry,position sensitive particle detectors,readout electronics,cern sps,cms electromagnetic calorimeter,ecal test-beam,lhc,barrel supermodules,data acquisition system,energy resolution,hadron calorimeter,homogeneous calorimeter,lead tungstate crystal,radiation-hardness,response linearity,radiation hardness

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