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.