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2012 Data Analysis Update: Enhanced Efficiency and Uniform Selections

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This document outlines the new recommendations for the 2012 data analysis to recover efficiency losses and ensure uniformity in baseline and calorimeter muon selections. Key changes include the removal of b-layer hit requirements and adjustments to TRT selections outside the region of 0.1 < |η| < 1.9. The updates also cover various analysis channels, such as Etau, Mutau, and Emu, along with revisions in cuts for tau, electron veto, jet cleaning, and MET calibrations. Comprehensive systematic studies are included for accuracy.

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2012 Data Analysis Update: Enhanced Efficiency and Uniform Selections

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  1. status

  2. New MCP recommendation • Purpose • to recover some efficiency losses in 2012 data • to make the baseline and calorimeter muon selections more uniform • b-layer hits are not required anymore • no TRT selection is applied outside the region 0.1 < |η| < 1.9 • New: for 2012 data https://twiki.cern.ch/twiki/bin/viewauth/AtlasProtected/MCPAnalysisGuidelinesData2012 • Old: for 2012 data Moriondhttps://twiki.cern.ch/twiki/bin/viewauth/AtlasProtected/MCPAnalysisGuidelinesData2012Moriond

  3. status • Updated several cuts tau electron veto jet cleaning MET(jet calibration) • Etau channel • Electron corrections • 2nd lepton veto cuts • match our cut flow numbers on this part • Mutau channel • make clear the jet calibration issues which is related to MET • match our cut flow numbers on this part • Emu channel Will update all the results after compared with Keith and Laurel • Almost all of the systematic sources are considered in our analysis • Update all the central value/systematic study to our note Cross-check on jet-fake estimation and systematics calculation

  4. backup • if (fabs(Meta)<1.9&&fabs(Meta)>0.1) { • if(NHits >5 && (*mu_staco_nTRTOutliers)[i]/NHits <0.9) Pass_hits = true; • } else { • if(NHits >5 && (*mu_staco_nTRTOutliers)[i]/NHits <0.9 ) Pass_hits = true; • if(NHits <=5 ) Pass_hits = true; • } Pass_hits = true; • boolHits_CUT3 = ( !(*mu_staco_expectBLayerHit)[i] ) || ( (*mu_staco_nBLHits)[i] > 0 ) ; removed

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