Pileup

Table of Content

• Pile-up
  • POG Recipes for Moriond 2017
  • [How To Make PU Distribution for data](#how-to-make-pu-distribution-for data)

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Pile-up

https://twiki.cern.ch/twiki/bin/view/CMS/PileupJSONFileforData

POG Recipes for Moriond 2017

• Pile-up reweighting xsec = 69.2mb

Ref: https://twiki.cern.ch/twiki/bin/viewauth/CMS/POGRecipesICHEP2016

How To Make PU Distribution for data

Command to run:

pileupCalc.py -i MyAnalysisJSON.txt --inputLumiJSON pileup_latest.txt  --calcMode true --minBiasXsec 69200 --maxPileupBin 50 --numPileupBins 50  MyDataPileupHistogram.root

where,

• MyAnalysisJSON.txt is the JSON file we are using. Generally it should be the golden JSON.
• pileup_latest.txt : this is input json file. It can be found at link: /afs/cern.ch/cms/CAF/CMSCOMM/COMM_DQM/certification/Collisions15/13TeV/PileUp/pileup_latest.txt

Reference: https://twiki.cern.ch/twiki/bin/viewauth/CMS/PileupJSONFileforData#Pileup_JSON_Files_For_Run_II