Merge pull request #46735 from ashleyahram/backport-to-CMSSW_14_1_X

[14_1_X] update a vertex smearing parameters for 2024 PbPb MC
cms-sw · Nov 21, 2024 · 705f29d · 705f29d
2 parents e9ed18f + cebdfcf
commit 705f29d
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diff --git a/Configuration/StandardSequences/python/VtxSmeared.py b/Configuration/StandardSequences/python/VtxSmeared.py
@@ -74,6 +74,7 @@
     'Realistic2022PbPbCollision' : 'IOMC.EventVertexGenerators.VtxSmearedRealistic2022PbPbCollision_cfi',
     'Realistic2023PbPbCollision' : 'IOMC.EventVertexGenerators.VtxSmearedRealistic2023PbPbCollision_cfi',
     'Realistic2024ppRefCollision' : 'IOMC.EventVertexGenerators.VtxSmearedRealistic2024ppRefCollision_cfi',
+    'Realistic2024PbPbCollision' : 'IOMC.EventVertexGenerators.VtxSmearedRealistic2024PbPbCollision_cfi',
 }
 VtxSmearedDefaultKey='Realistic50ns13TeVCollision'
 VtxSmearedHIDefaultKey='RealisticPbPbCollision2018'
diff --git a/IOMC/EventVertexGenerators/python/VtxSmearedParameters_cfi.py b/IOMC/EventVertexGenerators/python/VtxSmearedParameters_cfi.py
@@ -1084,6 +1084,19 @@
     Z0 = cms.double(0.3513597)
 )
 
+# From 2024 PbPb data run 387998-388425
+Realistic2024PbPbCollisionVtxSmearingParameters = cms.PSet(
+    Phi = cms.double(0.0),
+    BetaStar = cms.double(50),
+    Emittance = cms.double(6.684e-08),
+    Alpha = cms.double(0.0),
+    SigmaZ = cms.double(4.9068349),
+    TimeOffset = cms.double(0.0),
+    X0 = cms.double(0.0302546),
+    Y0 = cms.double(-0.0170382),
+    Z0 = cms.double(0.2290316)
+)
+
 # Parameters for HL-LHC operation at 13TeV
 HLLHCVtxSmearingParameters = cms.PSet(
     MeanXIncm = cms.double(0.),

diff --git a/IOMC/EventVertexGenerators/python/VtxSmearedRealistic2024PbPbCollision_cfi.py b/IOMC/EventVertexGenerators/python/VtxSmearedRealistic2024PbPbCollision_cfi.py
@@ -0,0 +1,7 @@
+import FWCore.ParameterSet.Config as cms
+
+from IOMC.EventVertexGenerators.VtxSmearedParameters_cfi import Realistic2024PbPbCollisionVtxSmearingParameters,VtxSmearedCommon
+VtxSmeared = cms.EDProducer("BetafuncEvtVtxGenerator",
+    Realistic2024PbPbCollisionVtxSmearingParameters,
+    VtxSmearedCommon
+)