diff --git a/MC/config/PWGLF/pythia8/generator/resonancelistgun_exoticAll.json b/MC/config/PWGLF/pythia8/generator/resonancelistgun_exoticAll.json
index 70212867a..3961322b6 100644
--- a/MC/config/PWGLF/pythia8/generator/resonancelistgun_exoticAll.json
+++ b/MC/config/PWGLF/pythia8/generator/resonancelistgun_exoticAll.json
@@ -1,189 +1,156 @@
 {
-    "f_0(980)": {
-        "pdg": 9010221,
-        "n": 1,
-        "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
-        "genDecayed": true
-    },
     "f_2(1270)": {
         "pdg": 225,
-        "n": 1,
+        "n": 3,
         "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
+        "ptMax": 15,
+        "etaMin": -1.0,
+        "etaMax": 1.0,
+        "rapidityMin": -1.0,
+        "rapidityMax": 1.0,
         "genDecayed": true
     },
     "f_0(1370)": {
         "pdg": 10221,
-        "n": 1,
+        "n": 3,
         "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
+        "ptMax": 15,
+        "etaMin": -1.0,
+        "etaMax": 1.0,
+        "rapidityMin": -1.0,
+        "rapidityMax": 1.0,
         "genDecayed": true
     },
     "f_0(1500)": {
         "pdg": 9030221,
-        "n": 1,
+        "n": 3,
         "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
+        "ptMax": 15,
+        "etaMin": -1.0,
+        "etaMax": 1.0,
+        "rapidityMin": -1.0,
+        "rapidityMax": 1.0,
         "genDecayed": true
     },
     "f_0(1710)": {
         "pdg": 10331,
-        "n": 1,
+        "n": 3,
         "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
+        "ptMax": 15,
+        "etaMin": -1.0,
+        "etaMax": 1.0,
+        "rapidityMin": -1.0,
+        "rapidityMax": 1.0,
         "genDecayed": true
     },
     "f_1(1285)": {
         "pdg": 20223,
-        "n": 1,
+        "n": 3,
         "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
+        "ptMax": 15,
+        "etaMin": -1.0,
+        "etaMax": 1.0,
+        "rapidityMin": -1.0,
+        "rapidityMax": 1.0,
         "genDecayed": true
     },
     "f_1(1420)": {
         "pdg": 20333,
-        "n": 1,
+        "n": 3,
         "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
+        "ptMax": 15,
+        "etaMin": -1.0,
+        "etaMax": 1.0,
+        "rapidityMin": -1.0,
+        "rapidityMax": 1.0,
         "genDecayed": true
     },
     "f_2(1525)": {
         "pdg": 335,
-        "n": 1,
+        "n": 3,
         "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
+        "ptMax": 15,
+        "etaMin": -1.0,
+        "etaMax": 1.0,
+        "rapidityMin": -1.0,
+        "rapidityMax": 1.0,
         "genDecayed": true
     },
     "a_2(1320)": {
         "pdg": 115,
-        "n": 1,
-        "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
-        "genDecayed": true
-    },
-    "K1(1270)+": {
-        "pdg": 10323,
-        "n": 1,
-        "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
-        "genDecayed": true
-    },
-    "K1(1270)-": {
-        "pdg": -10323,
-        "n": 1,
+        "n": 3,
         "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
+        "ptMax": 15,
+        "etaMin": -1.0,
+        "etaMax": 1.0,
+        "rapidityMin": -1.0,
+        "rapidityMax": 1.0,
         "genDecayed": true
     },
     "Lambda(1520)0" : {
         "pdg": 102134,
-        "n": 1,
+        "n": 3,
         "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
+        "ptMax": 15,
+        "etaMin": -1.0,
+        "etaMax": 1.0,
+        "rapidityMin": -1.0,
+        "rapidityMax": 1.0,
         "genDecayed": true
     },
     "anti-Lambda(1520)0" : {
         "pdg": -102134,
-        "n": 1,
+        "n": 3,
         "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
+        "ptMax": 15,
+        "etaMin": -1.0,
+        "etaMax": 1.0,
+        "rapidityMin": -1.0,
+        "rapidityMax": 1.0,
         "genDecayed": true
     },
     "Xi(1820)0": {
         "pdg": 123314,
-        "n": 1,
+        "n": 3,
         "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
+        "ptMax": 15,
+        "etaMin": -1.0,
+        "etaMax": 1.0,
+        "rapidityMin": -1.0,
+        "rapidityMax": 1.0,
         "genDecayed": true
     },
     "Anti-Xi(1820)0": {
         "pdg": -123314,
-        "n": 1,
+        "n": 3,
         "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
+        "ptMax": 15,
+        "etaMin": -1.0,
+        "etaMax": 1.0,
+        "rapidityMin": -1.0,
+        "rapidityMax": 1.0,
         "genDecayed": true
     },
     "Xi(1820)-": {
         "pdg": 123324,
-        "n": 1,
+        "n": 3,
         "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
+        "ptMax": 15,
+        "etaMin": -1.0,
+        "etaMax": 1.0,
+        "rapidityMin": -1.0,
+        "rapidityMax": 1.0,
         "genDecayed": true
     },
     "Xi(1820)+": {
         "pdg": -123324,
-        "n": 1,
+        "n": 3,
         "ptMin": 0.0,
-        "ptMax": 20,
-        "etaMin": -1.2,
-        "etaMax": 1.2,
-        "rapidityMin": -1.2,
-        "rapidityMax": 1.2,
+        "ptMax": 15,
+        "etaMin": -1.0,
+        "etaMax": 1.0,
+        "rapidityMin": -1.0,
+        "rapidityMax": 1.0,
         "genDecayed": true
     }
 }
diff --git a/MC/config/PWGLF/pythia8/generator/resonances.cfg b/MC/config/PWGLF/pythia8/generator/resonances.cfg
index b9d2750eb..d35eaba2e 100644
--- a/MC/config/PWGLF/pythia8/generator/resonances.cfg
+++ b/MC/config/PWGLF/pythia8/generator/resonances.cfg
@@ -6,32 +6,12 @@ ProcessLevel:all = off # will not look for the 'process'
 102132:addChannel = 1 0.33333 5 3222 -211
 102132:addChannel = 1 0.33333 5 3212 111
 
-
 # id::all = name antiName spinType chargeType colType m0 mWidth mMin mMax tau0
+### Lambda1520
 102134:all =  Lambda1520 Lambda1520bar 4 0 0 1.51950 0.01560 1.47 1.60 0
-
-### add Resonance decays absent in PYTHIA8 decay table and set BRs from PDG for other
-102134:oneChannel = 1 0.229944 5 2212 -321
-102134:addChannel = 1 0.229944 5 2112 -311
-102134:addChannel = 1 0.143076 5 3222 -211
-102134:addChannel = 1 0.143076 5 3212 111
-102134:addChannel = 1 0.143076 5 3112 211
-102134:addChannel = 1 0.034066 4 3224 -211
-102134:addChannel = 1 0.034066 4 3214 111
-102134:addChannel = 1 0.034066 4 3114 211
-102134:addChannel = 1 0.008687 3 3122 22
-
+102134:oneChannel = 1 1.000 0 2212 -321
 102134:onMode = off
-
 102134:onIfMatch = 2212 -321
-102134:onIfMatch = 2112 -311
-102134:onIfMatch = 3222 -211
-102134:onIfMatch = 3212 111
-102134:onIfMatch = 3112 211
-102134:onIfMatch = 3224 -211
-102134:onIfMatch = 3214 111
-102134:onIfMatch = 3114 211
-102134:onIfMatch = 3122 22
 
 ### Xi1820
 123324:all =  Xi1820 Xi1820bar 0 0 0 1.8234 0.0 0.0 0.0 0