Setup global tag. Add examples to override JEC in global tag and to use DC goldenJSon. Apply JECs on ak4PFJetsPuppi and then use as final jet collection.

Author: nurfikri89

DQMOffline/ParticleFlow/python/runBasic_cfg.py

@@ -15,23 +15,57 @@
 process.load("DQMServices.Core.DQM_cfg")
 process.load("DQMServices.Components.DQMEnvironment_cfi")
 
+# load jet correctors
+process.load('JetMETCorrections.Configuration.JetCorrectors_cff')
+
 # my analyzer
 process.load('DQMOffline.ParticleFlow.runBasic_cfi')
 
+# Setup Global Tag
+from Configuration.AlCa.GlobalTag import GlobalTag
+process.GlobalTag = GlobalTag(process.GlobalTag, '150X_dataRun3_Prompt_v1', '')
+
+# Here we explicitly override the jet energy corrections (JECs) in a Global Tag
+process.GlobalTag.toGet = cms.VPSet(
+  cms.PSet(
+    record = cms.string("JetCorrectionsRecord"),
+    tag = cms.string("JetCorrectorParametersCollection_Winter25Prompt25_RunC_V1_DATA_AK4PFPuppi_v1"),
+    label = cms.untracked.string('AK4PFPuppi'),
+    connect = cms.string("frontier://FrontierProd/CMS_CONDITIONS")
+  )
+)
 
 with open('fileList.log') as f:
     lines = f.readlines()
 #Input source
 process.source = cms.Source("PoolSource", fileNames = cms.untracked.vstring(lines))
 
+# "CorrectedPFJetProducer" module applies the jet energy
+# corrections on the jet collection and sort the collection
+# according to pt
+process.ak4PFJetsPuppiCorrected = cms.EDProducer('CorrectedPFJetProducer',
+    src        = cms.InputTag('ak4PFJetsPuppi'),
+    correctors = cms.VInputTag('ak4PFPuppiL1FastL2L3ResidualCorrector')
+)
+
+###################################################################
+# Data certification GoldenJSON filtering
+###################################################################
+goldenJSONPath="/eos/user/c/cmsdqm/www/CAF/certification/Collisions25/Cert_Collisions2025_391658_397294_Golden.json"
+if goldenJSONPath != "":
+    import FWCore.PythonUtilities.LumiList as LumiList
+    process.source.lumisToProcess = LumiList.LumiList(filename = goldenJSONPath).getVLuminosityBlockRange()
 
 from DQMOffline.ParticleFlow.runBasic_cfi import *
 
 process.DQMoutput = cms.OutputModule("DQMRootOutputModule",
                                      fileName = cms.untracked.string("OUT_step1.root"))
 
 
-process.p = cms.Path(process.PFAnalyzer)
+process.p = cms.Path(
+    process.ak4PFPuppiL1FastL2L3ResidualCorrectorChain+
+    process.ak4PFJetsPuppiCorrected+
+    process.PFAnalyzer)
 process.DQMoutput_step = cms.EndPath(process.DQMoutput)
 
 

DQMOffline/ParticleFlow/python/runBasic_cfi.py

@@ -2,9 +2,11 @@
 from DQMServices.Core.DQMEDAnalyzer import DQMEDAnalyzer
 
 PFAnalyzer = DQMEDAnalyzer("PFAnalyzer",
-    #pfJetCollection        = cms.InputTag("ak4PFJetsCHS"),
+    #pfJetCollection        = cms.InputTag("ak4PFJetsPuppiCorrected"),
+    # For Mini
     pfJetCollection        = cms.InputTag("slimmedJets"),
     #pfCandidates             = cms.InputTag("particleFlow"),
+    # For Mini
     pfCandidates             = cms.InputTag("packedPFCandidates"),
     PVCollection             = cms.InputTag("offlinePrimaryVertices"),