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PhiSym

Setup:

cmsrel CMSSW_X_Y_Z
cd CMSSW_X_Y_Z/src/
cmsenv
git-cms-init
git clone https://github.com/ECALELFS/PhiSym -b current-branch
./EcalCalibAlgos/scripts/setup_ext_tools.sh

Run CRAB jobs:

cd production2017
cmsenv
voms-proxy-init -voms cms --valid 168:00
source /cvmfs/cms.cern.ch/crab3/crab.sh

Use the submit.sh script to submit GRID tasks for RECO (aka step-1) and MERGER (aka step-2)

EcalCalibAlgos:

PhiSymProducer (aka “step1”):

  • Produce slim EDM files with information stored on a lumi-base
  • Produce a json file suitable for the splitting script scripts/make-iovs.py
  • Optionally at this step is possible to store spectra for each channel (DO NOT DO THIS ON THE GRID. SPECTRA FILES ARE HUGE)
  • The number of luminosity blocks summed at this step can be set from the cfg python (default 1).
  • Bad channels are processed in the same way of the good ones, except that a flag is set in the PhiSymInfos collection.

PhiSymMerger

EcalCalibDataFomats:

Contains PhiSym custum RecHits and Lumi-informations collections definition:

PhiSymRecHit:

  • raw-id -> detector id of the cristall.
  • nhits -> number of events with recHit energy inside acceptance window.
  • sumEt -> up to 10 mis-calibrated values + central value.
  • sumEt2 -> sum of the squared transverse energy.
  • sumLS -> sum of the laser correction.
  • sumLS2 -> sum of the squared laser correction.

PhiSymInfos:

  • nEvents -> number of events recorded during the lumi block(s).
  • x,y,z -> beamspot 3D avarage position and RMS.
  • start/end lumi -> first and last lumi block (if lumis sum is enabled in the producer).
  • badChannels -> map<bad channel id, channel status>, the “bad channel status threshold” is set by the producer.