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

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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

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

Basic Trigger Rates December 3, 2004 References Physics and Detector Performance TDR http://www.cern.ch/Atlas/GROUPS/PHYSICS/TDR/physics_tdr/printout/Volume_I.pdf http://www.cern.ch/Atlas/GROUPS/PHYSICS/TDR/physics_tdr/printout/Volume_II.pdf High Level Trigger…. TDR http://atlas-proj-hltdaqdcs-tdr.web.cern.ch/atlas-proj-hltdaqdcs-tdr/ Level 1 Trigger TDR http://atlasinfo.cern.ch/Atlas/GROUPS/DAQTRIG/TDR/V1REV1/L1TDR_all.pdf Comparison of ATLAS and CMS Trigger Rates http://agenda.cern.ch/askArchive.php?base=agendacateg=a01941id=a01941s22t3/transparencies High Level Trigger…LHCC Review June 2004 http://agenda.cern.ch/askArchive.php?base=agendacateg=a041899id=a041899s1t7%2Ftransparencies%2Fhlt_final.ppt ATLAS Trigger Menus for the LHC Start-up Phase http://doc.cern.ch//archive/electronic/cern/others/atlnot/Note/daq/daq-2003-004.pdf From the ancient days…Supercollider Physics, EHLQ, Reviews of Modern Physics, Vol. 56, No. 4, October 1984 Goal Introduction Nomenclature Basic rates Electrons Muons Jets Etc Very Rough Idea of Rates Old plot Remember there are uncertainties in the cross sections I have not been able to find a recent compilation of relevant cross section predictions…this would be useful to have Apologies for quality of some graphs… From Physics TDR Trigger Concept and Definition High Level Trigger(HLT) HLT Trigger Objects HLT Nomenclature From the HLT TDR, section 4.4 In the subsequent sections, the use of labels with the form ‘NoXXi’ to identify specific trigger items will be used. The meaning of the labels is the following: ‘o’ indicates the type of the selection (‘e’ for electron, ‘γ’ for photon, ‘μ’ for muon, ‘τ’ for a τ hadron, ‘j’ for jet, ‘b’ for a b-tagged jet, ‘xE’ for missing transverse energy, ‘E’ for total transverse energy and ‘jE’ for the total transverse energy obtained using only jets); ‘XX’ gives the threshold in transverse energy (in units of GeV); ‘N’ the number of objects; and ‘i’ indicates an isolation requirement. As an exa