use the same sigma for sgn and bg in 2-gaus

lubynets · lubynets · commit 54b19a3829b8 · 2026-03-09T11:48:00.000+01:00
diff --git a/PWGHF/D2H/Macros/HFInvMassFitter.cxx b/PWGHF/D2H/Macros/HFInvMassFitter.cxx
@@ -777,7 +777,7 @@ std::pair<double, double> HFInvMassFitter::getRangesOfSignal() const
     return std::make_pair(mMinMass, mMaxMass);
   } else {
     const double mean = mRooMeanSgn->getVal();
-    const double sigma = mRooSigmaSgn->getVal();
+    const double sigma = mRooSecSigmaSgn->getVal();
     return std::make_pair(mean - mNSigmaForSgn * sigma, mean + mNSigmaForSgn * sigma);
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -777,7 +777,7 @@ std::pair<double, double> HFInvMassFitter::getRangesOfSignal() const`
`777`	`777`	`return std::make_pair(mMinMass, mMaxMass);`
`778`	`778`	`} else {`
`779`	`779`	`const double mean = mRooMeanSgn->getVal();`
`780`		`- const double sigma = mRooSigmaSgn->getVal();`
	`780`	`+ const double sigma = mRooSecSigmaSgn->getVal();`
`781`	`781`	`return std::make_pair(mean - mNSigmaForSgn * sigma, mean + mNSigmaForSgn * sigma);`
`782`	`782`	`}`
`783`	`783`	`}`