Index: trunk/MagicSoft/Mars/mmuon/MHMuonPar.cc
===================================================================
--- trunk/MagicSoft/Mars/mmuon/MHMuonPar.cc	(revision 7015)
+++ trunk/MagicSoft/Mars/mmuon/MHMuonPar.cc	(revision 7022)
@@ -45,4 +45,5 @@
 
 #include <TH1.h>
+#include <TF1.h>
 #include <TPad.h>
 #include <TLatex.h>
@@ -207,4 +208,10 @@
     fHistBroad.Draw();
 
+    TF1 ref("RefShape", "0.112*x*x - 0.413*x + 0.404", 0.7, 1.2);
+    ref.SetLineColor(kBlue);
+    ref.SetLineWidth(1);
+    ref.SetLineStyle(kDashed);
+    ref.DrawCopy("same");
+
     AppendPad("pad4");
 }
