diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_Dilept.json b/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_Dilept.json
index 42c7cb09e..0a7bdebb0 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_Dilept.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_Dilept.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 1.513,
+  "xsec": 2.2471,
   "year": "2016APV",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL16APV",
@@ -32,4 +32,4 @@
   "nSumOfWeights_factDown": 4557963.397918701,
   "nSumOfWeights_renormfactUp": 3401884.902557373,
   "nSumOfWeights_renormfactDown": 5527933.06640625
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_Dilept_NDSkim.json b/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_Dilept_NDSkim.json
index 11d6b79e2..44b6177ff 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_Dilept_NDSkim.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_Dilept_NDSkim.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 1.513,
+  "xsec": 2.2471,
   "year": "2016APV",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL16APV",
@@ -27,4 +27,4 @@
   "nSumOfWeights_factDown": 4557963.397918701,
   "nSumOfWeights_renormfactUp": 3401884.902557373,
   "nSumOfWeights_renormfactDown": 5527933.06640625
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_SingleLept.json b/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_SingleLept.json
index 1f340c55d..2f4db5fae 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_SingleLept.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_SingleLept.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 5.121,
+  "xsec": 7.6057,
   "year": "2016APV",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL16APV",
@@ -36,4 +36,4 @@
   "nSumOfWeights_factDown": 8772250.967926025,
   "nSumOfWeights_renormfactUp": 6548214.313079834,
   "nSumOfWeights_renormfactDown": 10638028.383514404
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_SingleLept_NDSkim.json b/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_SingleLept_NDSkim.json
index efc97673d..985586169 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_SingleLept_NDSkim.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL16APV_TTGamma_SingleLept_NDSkim.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 5.121,
+  "xsec": 7.6057,
   "year": "2016APV",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL16APV",
@@ -25,4 +25,4 @@
   "nSumOfWeights_factDown": 8772250.967926025,
   "nSumOfWeights_renormfactUp": 6548214.313079834,
   "nSumOfWeights_renormfactDown": 10638028.383514404
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_Dilept.json b/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_Dilept.json
index ea0103eb7..1aa825e00 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_Dilept.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_Dilept.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 1.513,
+  "xsec": 2.2471,
   "year": "2016",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL16",
@@ -37,4 +37,4 @@
   "nSumOfWeights_factDown": 4960901.268829346,
   "nSumOfWeights_renormfactUp": 3702687.5143737793,
   "nSumOfWeights_renormfactDown": 6016610.0132751465
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_Dilept_NDSkim.json b/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_Dilept_NDSkim.json
index 7e0a9b41a..273aae187 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_Dilept_NDSkim.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_Dilept_NDSkim.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 1.513,
+  "xsec": 2.2471,
   "year": "2016",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL16",
@@ -30,4 +30,4 @@
   "nSumOfWeights_factDown": 4960901.268829346,
   "nSumOfWeights_renormfactUp": 3702687.5143737793,
   "nSumOfWeights_renormfactDown": 6016610.0132751465
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_SingleLept.json b/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_SingleLept.json
index 54c0e8ff9..679bd2f9e 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_SingleLept.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_SingleLept.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 5.121,
+  "xsec": 7.6057,
   "year": "2016",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL16",
@@ -39,4 +39,4 @@
   "nSumOfWeights_factDown": 10236801.467407227,
   "nSumOfWeights_renormfactUp": 7642930.143432617,
   "nSumOfWeights_renormfactDown": 12414125.437469482
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_SingleLept_NDSkim.json b/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_SingleLept_NDSkim.json
index 4151509e4..e19e796a7 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_SingleLept_NDSkim.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL16_TTGamma_SingleLept_NDSkim.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 5.121,
+  "xsec": 7.6057,
   "year": "2016",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL16",
@@ -25,4 +25,4 @@
   "nSumOfWeights_factDown": 10236801.467407227,
   "nSumOfWeights_renormfactUp": 7642930.143432617,
   "nSumOfWeights_renormfactDown": 12414125.437469482
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_Dilept.json b/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_Dilept.json
index 899da6855..08bd0349b 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_Dilept.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_Dilept.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 1.513,
+  "xsec": 2.2471,
   "year": "2017",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL17",
@@ -35,4 +35,4 @@
   "nSumOfWeights_factDown": 10623533.99017334,
   "nSumOfWeights_renormfactUp": 7929544.226715088,
   "nSumOfWeights_renormfactDown": 12884342.473480225
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_Dilept_NDSkim.json b/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_Dilept_NDSkim.json
index 62730389f..cb11d4ffb 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_Dilept_NDSkim.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_Dilept_NDSkim.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 1.513,
+  "xsec": 2.2471,
   "year": "2017",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL17",
@@ -34,4 +34,4 @@
   "nSumOfWeights_factDown": 10623533.99017334,
   "nSumOfWeights_renormfactUp": 7929544.226715088,
   "nSumOfWeights_renormfactDown": 12884342.473480225
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_SingleLept.json b/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_SingleLept.json
index 0c11a3269..19a214c89 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_SingleLept.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_SingleLept.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 5.121,
+  "xsec": 7.6057,
   "year": "2017",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL17",
@@ -42,4 +42,4 @@
   "nSumOfWeights_factDown": 20049589.415985107,
   "nSumOfWeights_renormfactUp": 14966005.278713703,
   "nSumOfWeights_renormfactDown": 24314029.144866943
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_SingleLept_NDSkim.json b/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_SingleLept_NDSkim.json
index 9f64e5665..59e3f4653 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_SingleLept_NDSkim.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL17_TTGamma_SingleLept_NDSkim.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 5.121,
+  "xsec": 7.6057,
   "year": "2017",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL17",
@@ -28,4 +28,4 @@
   "nSumOfWeights_factDown": 20049589.415985107,
   "nSumOfWeights_renormfactUp": 14966005.278713703,
   "nSumOfWeights_renormfactDown": 24314029.144866943
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_Dilept.json b/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_Dilept.json
index 33c86fc89..1d093350b 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_Dilept.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_Dilept.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 1.513,
+  "xsec": 2.2471,
   "year": "2018",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL18",
@@ -37,4 +37,4 @@
   "nSumOfWeights_factDown": 15581876.12234497,
   "nSumOfWeights_renormfactUp": 11630913.970535278,
   "nSumOfWeights_renormfactDown": 18897900.193756104
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_Dilept_NDSkim.json b/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_Dilept_NDSkim.json
index d93d62c00..b7409dc80 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_Dilept_NDSkim.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_Dilept_NDSkim.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 1.513,
+  "xsec": 2.2471,
   "year": "2018",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL18",
@@ -37,4 +37,4 @@
   "nSumOfWeights_factDown": 15581876.12234497,
   "nSumOfWeights_renormfactUp": 11630913.970535278,
   "nSumOfWeights_renormfactDown": 18897900.193756104
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_SingleLept.json b/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_SingleLept.json
index a5d33c6c9..5cd4ea65d 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_SingleLept.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_SingleLept.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 5.121,
+  "xsec": 7.6057,
   "year": "2018",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL18",
@@ -53,4 +53,4 @@
   "nSumOfWeights_factDown": 29409319.567726135,
   "nSumOfWeights_renormfactUp": 21953115.187936783,
   "nSumOfWeights_renormfactDown": 35664044.6056366
-}
\ No newline at end of file
+}
diff --git a/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_SingleLept_NDSkim.json b/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_SingleLept_NDSkim.json
index e312c5acd..fed564b6e 100644
--- a/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_SingleLept_NDSkim.json
+++ b/input_samples/sample_jsons/background_samples/central_UL/UL18_TTGamma_SingleLept_NDSkim.json
@@ -1,5 +1,5 @@
 {
-  "xsec": 5.121,
+  "xsec": 7.6057,
   "year": "2018",
   "treeName": "Events",
   "histAxisName": "TTGamma_centralUL18",
@@ -30,4 +30,4 @@
   "nSumOfWeights_factDown": 29409319.567726135,
   "nSumOfWeights_renormfactUp": 21953115.187936783,
   "nSumOfWeights_renormfactDown": 35664044.6056366
-}
\ No newline at end of file
+}