Flat π⁰ and η Distribution for High- pT Statistics (#2318)

* Update GeneratorHF_Non_Hfe.json

Flat pion and eta distributions are added to enhance statistics at high transverse momentum.

* Update pythia8_NonHfe.cfg

Remove CR mode2

* Update GeneratorHF_Non_Hfe.json

* Remove number parameter

* Update GeneratorHF_Non_Hfe.json

Author: rashigupt

MC/config/PWGHF/hybrid/GeneratorHF_Non_Hfe.json

@@ -3,12 +3,7 @@
     {
       "name": "pythia8",
       "config": {
-        "config": "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGHF/pythia8/generator/pythia8_NonHfe.cfg",
-        "hooksFileName": "",
-        "hooksFuncName": "",
-        "includePartonEvent": true,
-        "particleFilter": "",
-        "verbose": 0
+        "config": "${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/generator/pythia8_NonHfe.cfg"
       },
       "triggers": {
         "mode": "or",
@@ -19,9 +14,27 @@
           }
         ]
       }
+    },
+    {
+      "name": "boxgen",
+      "config": {
+        "pdg": 111,
+        "prange[0]": 0.1,
+        "prange[1]": 50.0,
+        "eta[0]": -0.8,
+        "eta[1]": 0.8
+      }
+    },
+    {
+      "name": "boxgen",
+      "config": {
+        "pdg": 221,
+        "prange[0]": 0.1,
+        "prange[1]": 50.0,
+        "eta[0]": -0.8,
+        "eta[1]": 0.8
+      }
     }
   ],
-  "fractions": [
-    1
-  ]
+  "fractions": [1, 1, 1]
 }

MC/config/PWGHF/pythia8/generator/pythia8_NonHfe.cfg

@@ -14,25 +14,6 @@ SoftQCD:inelastic on		# all inelastic processes
 ParticleDecays:limitTau0 on	
 ParticleDecays:tau0Max 10.
 
-### switching on Pythia Mode2
-ColourReconnection:mode 1
-ColourReconnection:allowDoubleJunRem off
-ColourReconnection:m0 0.3
-ColourReconnection:allowJunctions on
-ColourReconnection:junctionCorrection 1.20
-ColourReconnection:timeDilationMode 2
-ColourReconnection:timeDilationPar 0.18
-StringPT:sigma 0.335
-StringZ:aLund 0.36
-StringZ:bLund 0.56
-StringFlav:probQQtoQ 0.078
-StringFlav:ProbStoUD 0.2
-StringFlav:probQQ1toQQ0join 0.0275,0.0275,0.0275,0.0275
-MultiPartonInteractions:pT0Ref 2.15
-BeamRemnants:remnantMode 1
-BeamRemnants:saturation 5
-
-
 ### switch off all decay channels
 111:onMode = off
 221:onMode = off