Basic Trigger Rates - Lawrence Berkeley National Laboratory基本的触发率-劳伦斯伯克利国家实验室.ppt

BasicTriggerRatesDecember3,20041

ReferencesPhysicsandDetectorPerformanceTDRhttp://www.cern.ch/Atlas/GROUPS/PHYSICS/TDR/physics_tdr/printout/Volume_I.pdfhttp://www.cern.ch/Atlas/GROUPS/PHYSICS/TDR/physics_tdr/printout/Volume_II.pdfHighLevelTrigger….TDRhttp://atlas-proj-hltdaqdcs-tdr.web.cern.ch/atlas-proj-hltdaqdcs-tdr/Level1TriggerTDRhttp://atlasinfo.cern.ch/Atlas/GROUPS/DAQTRIG/TDR/V1REV1/L1TDR_all.pdfComparisonofATLASandCMSTriggerRateshttp://agenda.cern.ch/askArchive.php?base=agendacateg=a01941id=a01941s22t3/transparenciesHighLevelTrigger…LHCCReviewJune2004http://agenda.cern.ch/askArchive.php?base=agendacateg=a041899id=a041899s1t7%2Ftransparencies%2Fhlt_final.pptATLASTriggerMenusfortheLHCStart-upPhasehttp://doc.cern.ch//archive/electronic/cern/others/atlnot/Note/daq/daq-2003-004.pdfFromtheancientdays…SupercolliderPhysics,EHLQ,ReviewsofModernPhysics,Vol.56,No.4,October19842

GoalIntroductionNomenclatureBasicratesElectronsMuonsJetsEtc3

VeryRoughIdeaofRatesOldplotRememberthereareuncertaintiesinthecrosssectionsIhavenotbeenabletofindarecentcompilationofrelevantcrosssectionpredictions…thiswouldbeusefultohaveApologiesforqualityofsomegraphs…4

FromPhysicsTDR5

TriggerConceptandDefinition75kHz~2kHz~200HzRateTargetprocessingtime~2s~10ms2μsHighLevelTriggers(HLT)Level-2+EventFilterSoftwaretriggerLevel-1Hardwaretrigger6

HighLevelTrigger(HLT)HLTSSWSteeringMonitoringServiceMetaDataServiceROBDataCollectorDataManagerHLTAlgorithmsProcessingTaskEventDataModelL2PUApplicationimportEventDataModelReconstr.AlgorithmsimportStoreGateAthena/GaudiimportimportInterfaceDependencyPackageEventFilterHLTCoreSoftwareOfflineCoreSoftwareOfflineReconstructionHLTAlgorithmsLevel2HLTDataFlowSoftwareHLTSelectionSoftwareFrameworkATHENA/GAUDIReuseofflinecomponentsCommontoLevel-2andEFOfflinealgorithmsusedinEF7

TriggerSelectionExampleLVL1muonLVL2caloisolLVL2tracking