(r2) SWGuideMuonHLTBPAGDQM < CMSPublic

CMSPublic Web>SWGuide>SWGuideOnSel>SWGuideTriggerStudiesHowTo>SWGuideMuonHLT>SWGuideMuonHLTOfflineDQM>SWGuideMuonHLTBPAGDQM (revision 2) (raw view)~~EditAttachPDF~~

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---+ Purpose

The purpose of this page is to document the supplemental muon DQM developed by the B PAG to monitor low-mass di-muon resonances.

---+ What selection is applied to muons?

   * Global Muons for both Tag muons and Probe muons

---+ Which triggers are monitored?

   * Low pT single muons trigger, HLT_Mu3

---+ How are the fits run?

   * The invariant mass distributions of All and Passing Tag 'n' Probe pairs are fit simultaneously with maximum likelihood
   * The looked-for efficiency is incorporated as a parameter of the fit and the errors are calculated by the fitter
   * example fit: <br />
     <img src="%ATTACHURLPATH%/fitInPtBin5.gif" alt="fitInPtBin5.gif" width='523' height='272' />

---+ Where is the code?

   * [[http://cmssw.cvs.cern.ch/cgi-bin/cmssw.cgi/CMSSW/DQMOffline/Trigger/src/BPAGTrigAnalyzer.cc?view=log][BPAGTrigAnalyzer.cc]]
   * [[http://cmssw.cvs.cern.ch/cgi-bin/cmssw.cgi/CMSSW/DQMOffline/Trigger/plugins/DQMGenericTnPClient.cc?view=log][DQMGenericTnPClient]]



DQM


-- Main.JasonSlaunwhite - 2009-08-31

Attachments

Topic attachments
I	Attachment	History	Action	Size	Date	Who	Comment
gif	fitInPtBin5.gif	r1	manage	23.4 K	2009-09-04 - 14:28	ZoltanGecse	example fit

Topic revision: r2 - 2009-09-04 - ZoltanGecse

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