Displaced Particle Gun

Configuration/Generator/python/DisplacedParticleGun_cfi.py

@@ -0,0 +1,41 @@
+import FWCore.ParameterSet.Config as cms
+
+generator = cms.EDProducer(
+    "DisplacedParticleGunProducer",
+    PGunParameters = cms.PSet(
+        # particle direction
+        MinPt  = cms.double(5.0),
+        MaxPt  = cms.double(100.0),
+        MinPhi = cms.double(-3.141592653589793),
+        MaxPhi = cms.double(+3.141592653589793),
+
+        # displaced vertex in transverse plane (cm)
+        RMin     = cms.double(0.0),
+        RMax     = cms.double(10.0),
+        MinVtxPhi = cms.double(0.0),
+        MaxVtxPhi = cms.double(2.0 * 3.141592653589793),
+        ZVtx     = cms.double(0.0),
+
+        NParticles = cms.int32(1),
+        PartID     = cms.vint32(22), # photon
+
+        # how to sample the vertex radius
+        UniformDensityInR = cms.bool(False),
+
+        # if True: derive theta to hit a region of the HGCAL front surface
+        # if False: use MinTheta/MaxTheta
+        PointingToHGCAL = cms.bool(True),
+
+        # only used if PointingToHGCAL == True (cm),
+        # corresponds to the central third of HGCAL's front surface
+        RminFrontSurfaceHGCAL = cms.double(58.79),
+        RmaxFrontSurfaceHGCAL = cms.double(91.58),
+
+        # only used if PointingToHGCAL == False (radians)
+        MinTheta = cms.double(0.),
+        MaxTheta = cms.double(3.141592653589793),
+    ),
+    Verbosity = cms.untracked.int32(0),
+    firstRun  = cms.untracked.uint32(1),
+    psethack  = cms.string("displaced gun with theta, optionally pointing to hard-coded HGCAL front surface"),
+)

Configuration/PyReleaseValidation/python/relval_steps.py

@@ -4950,6 +4950,9 @@ def gen2024HiMix(fragment,howMuch):
 
     upgradeStepDict['GenSimCloseBy'][k] = deepcopy(upgradeStepDict['GenSim'][k])
     upgradeStepDict['GenSimCloseBy'][k]['--beamspot'] = 'CloseBy'
+
+    upgradeStepDict['GenSimDisplaced'][k] = deepcopy(upgradeStepDict['GenSim'][k])
+    upgradeStepDict['GenSimDisplaced'][k]['--beamspot'] = 'CloseBy'
 
     upgradeStepDict['GenSimHLBeamSpot'][k] = {'-s' : 'GEN,SIM',
                                               '-n' : 10,
@@ -4963,7 +4966,7 @@ def gen2024HiMix(fragment,howMuch):
     upgradeStepDict['GenSimHLBeamSpot14'][k] = deepcopy(upgradeStepDict['GenSimHLBeamSpot'][k])
     upgradeStepDict['GenSimHLBeamSpot14'][k]['--conditions'] = gt
 
-    upgradeStepDict['GenSimHLBeamSpotCloseBy'][k] = upgradeStepDict['GenSimCloseBy'][k]
+    upgradeStepDict['GenSimHLBeamSpotCloseBy'][k] = deepcopy(upgradeStepDict['GenSimCloseBy'][k])
 
     upgradeStepDict['Sim'][k] = {'-s' : 'SIM',
                                  '-n' : 10,
@@ -5201,7 +5204,7 @@ def gen2024HiMix(fragment,howMuch):
 
             # in case special WF has PU-specific changes: apply *after* basic PU step is created
             specialWF.setupPU(upgradeStepDict, k, upgradeProperties[year][k])
-
+    
 for step in upgradeStepDict.keys():
     # we need to do this for each fragment
     if ('Sim' in step and ('Fast' not in step and step != 'Sim')) or ('Premix' in step) or ('Sim' not in step and 'Gen' in step):

Configuration/PyReleaseValidation/python/relval_upgrade.py

@@ -45,6 +45,8 @@ def notForGenOnly(key,specialType):
                             step = 'GenSimHLBeamSpotCloseBy'
                     elif 'CloseBy' in frag or 'CE_E' in frag or 'CE_H' in frag:
                         step = 'GenSimCloseBy'
+                    elif 'Displaced' in frag:
+                        step = 'GenSimDisplaced'
                     stepMaker = makeStepNameSim
                 elif 'Gen' in step:
                     if 'HLBeamSpot' in step:

Configuration/PyReleaseValidation/python/upgradeWorkflowComponents.py

@@ -224,6 +224,7 @@ def condition(self, fragment, stepList, key, hasHarvest):
         'Sim',
         'GenSim',
         'GenSimCloseBy',
+        'GenSimDisplaced',
         'GenSimHLBeamSpot',
         'GenSimHLBeamSpot14',
         'GenSimHLBeamSpotCloseBy',
@@ -4081,4 +4082,5 @@ def __init__(self, howMuch, dataset):
     ('Hydjet_Quenched_MinBias_5519GeV_cfi', UpgradeFragment(U2000by1,'HydjetQMinBias_5519GeV')),
     ('SingleMuPt15Eta0_0p4_cfi', UpgradeFragment(Kby(9,100),'SingleMuPt15Eta0p_0p4')),
     ('CloseByPGun_Barrel_Front_cfi', UpgradeFragment(Kby(9,100),'CloseByPGun_Barrel_Front')),
+    ('DisplacedParticleGun_cfi', UpgradeFragment(Kby(9,100),'DisplacedPGun')),
 ])