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Commit 46187b94 authored by Norbert Herrmann's avatar Norbert Herrmann Committed by Florian Uhlig
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change fit initial limits for invariant mass

parent 0235a9ba
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1 merge request!138Final merge
...@@ -199,10 +199,10 @@ can->cd(10); ...@@ -199,10 +199,10 @@ can->cd(10);
if(NULL != fSignal) fSignal->Delete(); if(NULL != fSignal) fSignal->Delete();
fSignal=new TF1("fSignal","gaus",1.090,1.140); fSignal=new TF1("fSignal","gaus",1.090,1.140);
//h1->Fit("gaus","","H",1.1,1.2); //h1->Fit("gaus","","H",1.1,1.2);
Double_t MMin=1.09; Double_t MMin=1.1;
Double_t MMax=1.142; Double_t MMax=1.14;
Double_t param[3]; Double_t param[3];
param[0]=h1->GetMaximum(); param[0]=h1->GetMaximum()*0.5;
param[1]=1.1156; param[1]=1.1156;
param[2]=0.01; param[2]=0.01;
fSignal->SetParameters(param); fSignal->SetParameters(param);
...@@ -214,7 +214,10 @@ can->cd(10); ...@@ -214,7 +214,10 @@ can->cd(10);
Double_t dFRange=2.5; Double_t dFRange=2.5;
MMin=MMEAN-dFRange*MSIG; MMin=MMEAN-dFRange*MSIG;
MMax=MMEAN+dFRange*MSIG; MMax=MMEAN+dFRange*MSIG;
cout<<" Fit results: "<<MMEAN<<", "<<MSIG<<", new range: "<<MMin<<" - "<<MMax<<endl; cout<<" 1. fit results: "<<MMEAN<<", "<<MSIG<<", new range: "<<MMin<<" - "<<MMax<<endl;
param[0]=h1->GetMaximum();
param[1]=1.1156;
fSignal->SetParameters(param);
h1->Fit("fSignal","","",MMin,MMax); h1->Fit("fSignal","","",MMin,MMax);
fSignal->GetParameters(param); fSignal->GetParameters(param);
MMEAN=param[1]; MMEAN=param[1];
......
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