h3l_phys.C File Reference

#include "TCanvas.h"
#include "TF1.h"
#include "TFile.h"
#include "TGraph.h"
#include "TGraphErrors.h"
#include "TH1F.h"
#include "TLegend.h"
#include "TLorentzVector.h"
#include "TStyle.h"
#include "TSystem.h"
#include "TTreeReader.h"
#include "TTreeReaderArray.h"
#include "TTreeReaderValue.h"

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Functions
void	DrawNicePlot (TH1F *h, Int_t S, Float_t B)
Double_t	backgroundChe (Double_t *xx, Double_t *p)
Double_t	backgroundChe2 (Double_t *xx, Double_t *p)
Double_t	backgroundChe3 (Double_t *xx, Double_t *p)
Double_t	backgroundChe4 (Double_t *xx, Double_t *p)
Double_t	gausPeak (Double_t *x, Double_t *par)
Double_t	fitFunction (Double_t *x, Double_t *par)
void	fitator (TH1F *h, Double_t &Tout, Double_t &Bout)
void	h3l_phys (TString inputFileName="/home/merz/data/h3l_sim/h3lSelect_XeCsI_3.8AGeV_mb_4mln.root", TString outputFileName="/home/merz/data/h3l_sim/h3lPhys_XeCsI_3.8AGeV_mb_4mln.root")

Variables
const Float_t	minBound = 2.96
const Float_t	maxBound = 3.02
const Float_t	massTheor = 2.992

Function Documentation

backgroundChe()

Double_t backgroundChe	(	Double_t *	xx,
		Double_t *	p )

Definition at line 92 of file h3l_phys.C.

References i, maxBound, minBound, order, and x.

backgroundChe2()

Double_t backgroundChe2	(	Double_t *	xx,
		Double_t *	p )

Definition at line 119 of file h3l_phys.C.

References maxBound, minBound, and x.

backgroundChe3()

Double_t backgroundChe3	(	Double_t *	xx,
		Double_t *	p )

Definition at line 133 of file h3l_phys.C.

References maxBound, minBound, and x.

backgroundChe4()

Double_t backgroundChe4	(	Double_t *	xx,
		Double_t *	p )

Definition at line 148 of file h3l_phys.C.

References maxBound, minBound, and x.

Referenced by fitFunction().

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DrawNicePlot()

void DrawNicePlot	(	TH1F *	h,
		Int_t	S,
		Float_t	B )

Definition at line 28 of file h3l_phys.C.

References TMath::Abs(), TH1::Draw(), TH1::GetFunction(), TNamed::GetName(), TAxis::GetNbins(), TF1::GetParameter(), TF1::GetParError(), TH1::GetXaxis(), TH1::GetYaxis(), maxBound, minBound, TAttAxis::SetLabelFont(), TAttLine::SetLineColor(), TAttLine::SetLineStyle(), TAttMarker::SetMarkerColor(), TAttMarker::SetMarkerSize(), TAttMarker::SetMarkerStyle(), TH1::SetMinimum(), TF1::SetNpx(), TH1::SetTitle(), TNamed::SetTitle(), TAttAxis::SetTitleFont(), TAttAxis::SetTitleOffset(), TAttAxis::SetTitleSize(), and TMath::Sqrt().

Referenced by h3l_phys().

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fitator()

void fitator	(	TH1F *	h,
		Double_t &	Tout,
		Double_t &	Bout )

Definition at line 178 of file h3l_phys.C.

References backgroundChe4(), TF1::Eval(), TH1::Fit(), fitFunction(), TF1::FixParameter(), TH1::GetBinCenter(), TH1::GetBinContent(), TH1::GetBinError(), TH1::GetEntries(), TF1::GetParameter(), i, massTheor, maxBound, minBound, TH1::SetBinContent(), TH1::SetBinError(), TAttLine::SetLineColor(), TF1::SetParameter(), and TF1::SetParLimits().

Referenced by h3l_phys().

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fitFunction()

Double_t fitFunction	(	Double_t *	x,
		Double_t *	par )

Definition at line 173 of file h3l_phys.C.

References backgroundChe4(), gausPeak(), and x.

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gausPeak()

Double_t gausPeak	(	Double_t *	x,
		Double_t *	par )

Definition at line 165 of file h3l_phys.C.

References TMath::Exp(), and x.

Referenced by fitFunction().

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h3l_phys()

void h3l_phys	(	TString	inputFileName = "/home/merz/data/h3l_sim/h3lSelect_XeCsI_3.8AGeV_mb_4mln.root",
		TString	outputFileName = "/home/merz/data/h3l_sim/h3lPhys_XeCsI_3.8AGeV_mb_4mln.root" )

Definition at line 238 of file h3l_phys.C.

References TFile::Close(), DrawNicePlot(), TH1::Fill(), TGraph::Fit(), fitator(), TNamed::GetName(), ROOT::Internal::TTreeReaderArrayBase::GetSize(), TGraph::GetXaxis(), TGraph::GetYaxis(), i, m, TLorentzVector::Mag(), TTreeReader::Next(), TFile::Open(), TLorentzVector::P(), TLorentzVector::Pt(), TLorentzVector::Rapidity(), TGraph::SetName(), TGraph::SetPoint(), TGraphErrors::SetPointError(), TAxis::SetRangeUser(), TNamed::SetTitle(), TLorentzVector::SetXYZM(), TMath::Sqrt(), TH1::Sumw2(), TObject::Write(), and y.

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Variable Documentation

massTheor

const Float_t massTheor = 2.992

Definition at line 22 of file h3l_phys.C.

maxBound

const Float_t maxBound = 3.02

Definition at line 20 of file h3l_phys.C.

minBound

const Float_t minBound = 2.96

Definition at line 19 of file h3l_phys.C.