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Luminosity

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Ram Krishna Sharma edited this page May 25, 2019 · 2 revisions

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Official Recommendation

  1. For 2016: https://twiki.cern.ch/twiki/bin/viewauth/CMS/PdmV2016Analysis
  2. For 2017: https://twiki.cern.ch/twiki/bin/viewauth/CMS/PdmV2017Analysis
  3. For 2018: https://twiki.cern.ch/twiki/bin/viewauth/CMS/PdmV2018Analysis

How to calulate luminosity

  1. Load cms enviornment using cmsenv.
  2. Set the brilcal environment: 
    export PATH=$HOME/.local/bin:/cvmfs/cms-bril.cern.ch/brilconda/bin:$PATH
  3. Get the luminosity: 
    brilcalc lumi --normtag /cvmfs/cms-bril.cern.ch/cms-lumi-pog/Normtags/normtag_PHYSICS.json -u /fb  -i /afs/cern.ch/user/r/rasharma/public/temp/processedLumis.json

NOTE: For some reason this brilcalc command is not working on lpc. But it works fine on lxplus.

Reference

  1. https://twiki.cern.ch/twiki/bin/view/CMS/BrilcalcQuickStart
  2. Luminosity physics group
  3. CMS Luminosity public plots
  4. https://hypernews.cern.ch/HyperNews/CMS/get/physics-validation/3358.html

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