Bug fix to correctly calculate uncertainties on theta0 parameter

git-svn-id: svn+ssh://svn.cern.ch/reps/lhcb/Geant4/trunk@202377 4525493e-7705-40b1-a816-d608a930855b

Geant4/G4examples/extended/electromagnetic/G4TestEm5/doc/release.notes

@@ -3,6 +3,8 @@
 ! Responsible : Timothy Williams
 ! Purpose     : Standalone Geant4 example used to test and validate multiple cattering
 !-----------------------------------------------------------------------------
+! 2016-03-01 - Timothy Williams
+	Bug fix to correctly calculate uncertainy on theta0 parameter
 
 ! 2015-11-02 - Marco Clemencic
  - Added .gitignore file

Geant4/G4examples/extended/electromagnetic/G4TestEm5/srcnew/src/RMSPlotter.cc

@@ -46,6 +46,7 @@ TGraphErrors* RMSPlotter::MakePlots(){
   std::ofstream outt("Results_Table.txt");
   outt<<"Energy/MeV  "<<"RMS of Scattering Angle/mRad "<<" Uncertainty/mRad" <<std::endl;
   int D= DataPoints.size();
+  double dD=D;
   Double_t* E=new Double_t[D];
   Double_t* R=new Double_t[D];
   Double_t* RU=new Double_t[D];
@@ -55,7 +56,7 @@ TGraphErrors* RMSPlotter::MakePlots(){
   for(;Di!=DataPoints.end();++Di,++a){
     E[a]=(*Di).Energy;
     R[a]=(*Di).rms=(*Di).Distribution->GetMean();
-    RU[a]=(*Di).rmsUncert=(*Di).Distribution->GetRMS();
+    RU[a]=(*Di).rmsUncert=((*Di).Distribution->GetRMS())/dD;
     EU[a]=0;
     outt<<E[a]<<" , "<<R[a]<<" , "<<RU[a]<<std::endl;
   }