adding pdf and qcd scale uncertainties on ttg NLO xsec

Author: abasnet97

topeft/params/rate_systs.json

@@ -9,6 +9,7 @@
             "tllq": 1.027,
             "tHq": 1.051,
             "tttt": "0.9312/1.0688",
+            "ttA": 1.03,
             "Diboson": 1.014
         },
         "qcd_scale" : {
@@ -18,6 +19,7 @@
             "ttll": "0.898/1.117",
             "tHq": "0.851/1.065",
             "tttt": "0.8863/1.0359",
+            "ttA": 1.13,
             "tWZ": 1.5,
             "Diboson": 1.023,
             "Triboson": 1.5
@@ -33,7 +35,7 @@
         "tWZ":      {                   "qcd_scale": "tWZ" },
         "Diboson":  {"pdf_scale": "qq", "qcd_scale": "VV"  },
         "Triboson": {"pdf_scale": "qq", "qcd_scale": "VVV" },
-        "TTGamma":    {"pdf_scale": "gg"}
+        "TTGamma":  {"pdf_scale": "gg", "qcd_scale": "ttA" }}
     },
     "diboson_njets" : {
         "Diboson": {"1": 1.0, "2": 1.20, "3": 1.48, "4": 1.77, "5": 2.05, "6": 2.34, "7": 2.62}