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AliRoot » PWG » FLOW » BASE » AliFlowAnalysisWithLeeYangZeros

class AliFlowAnalysisWithLeeYangZeros

Description: Maker to analyze Flow using the LeeYangZeros method
             Equation numbers are from Big Paper (BP): Nucl. Phys. A 727, 373 (2003)
             Practical Guide (PG):    J. Phys. G: Nucl. Part. Phys. 30, S1213 (2004)
             Adapted from StFlowLeeYangZerosMaker.cxx
             by Markus Oldenberg and Art Poskanzer, LBNL
             with advice from Jean-Yves Ollitrault and Nicolas Borghini

Author: Naomi van der Kolk (kolk@nikhef.nl)

Function Members (Methods)

public:

	AliFlowAnalysisWithLeeYangZeros()
virtual	~AliFlowAnalysisWithLeeYangZeros()
static TClass*	Class()
Bool_t	Finish()
AliFlowCommonHist*	GetCommonHists() const
AliFlowCommonHistResults*	GetCommonHistsRes() const
Bool_t	GetDebug() const
TComplex	GetDiffFlow(AliFlowEventSimple* anEvent, Double_t aR, Int_t theta)
Bool_t	GetDoubleLoop() const
Int_t	GetEventNumber() const
Bool_t	GetFirstRun() const
TList*	GetFirstRunList() const
TComplex	GetGrtheta(AliFlowEventSimple* anEvent, Double_t aR, Double_t aTheta)
TH1D*	GetHistImDtheta() const
TList*	GetHistList() const
TProfile*	GetHistProImDenom() const
TProfile*	GetHistProReDenom() const
TProfile*	GetHistProVetaPOI() const
TProfile*	GetHistProVetaRP() const
TProfile*	GetHistProVPtPOI() const
TProfile*	GetHistProVPtRP() const
TH1F*	GetHistQsumforChi() const
TH1D*	GetHistR0theta() const
TH1D*	GetHistReDtheta() const
TH1D*	GetHistVtheta() const
void	GetOutputHistograms(TList* outputListHistos)
Double_t	GetQ2sum() const
Double_t	GetQtheta(AliFlowVector aQ, Double_t aTheta)
Bool_t	GetUseSum() const
Bool_t	Init()
virtual TClass*	IsA() const
Bool_t	Make(AliFlowEventSimple* anEvent)
void	SetCommonHists(AliFlowCommonHist *const aCommonHist)
void	SetCommonHistsRes(AliFlowCommonHistResults *const aCommonHistResult)
void	SetDebug(Bool_t kt)
void	SetDoubleLoop(Bool_t kt)
void	SetEventNumber(Int_t n)
void	SetFirstRun(Bool_t kt)
void	SetFirstRunList(TList *const list)
void	SetHist1(AliFlowLYZHist1* *const aLYZHist1)
void	SetHist2POI(AliFlowLYZHist2* *const aLYZHist2POI)
void	SetHist2RP(AliFlowLYZHist2* *const aLYZHist2RP)
void	SetHistImDtheta(TH1D *const aHistImDtheta)
void	SetHistProImDenom(TProfile *const aHistProImDenom)
void	SetHistProReDenom(TProfile *const aHistProReDenom)
void	SetHistProVetaPOI(TProfile *const aHistProVetaPOI)
void	SetHistProVetaRP(TProfile *const aHistProVetaRP)
void	SetHistProVPtPOI(TProfile *const aHistProVPtPOI)
void	SetHistProVPtRP(TProfile *const aHistProVPtRP)
void	SetHistQsumforChi(TH1F *const aHistQsumforChi)
void	SetHistR0theta(TH1D *const aHistR0theta)
void	SetHistReDtheta(TH1D *const aHistReDtheta)
void	SetHistVtheta(TH1D *const aHistVtheta)
void	SetQ2sum(Double_t d)
void	SetUseSum(Bool_t kt)
virtual void	ShowMembers(TMemberInspector&)
virtual void	Streamer(TBuffer&)
void	StreamerNVirtual(TBuffer& ClassDef_StreamerNVirtual_b)
void	WriteHistograms(TString* outputFileName)
void	WriteHistograms(TString outputFileName)
void	WriteHistograms(TDirectoryFile* outputFileName)

private:

	AliFlowAnalysisWithLeeYangZeros(const AliFlowAnalysisWithLeeYangZeros& aAnalysis)
Bool_t	FillFromFlowEvent(AliFlowEventSimple* anEvent)
Bool_t	MakeControlHistograms(AliFlowEventSimple* anEvent)
AliFlowAnalysisWithLeeYangZeros&	operator=(const AliFlowAnalysisWithLeeYangZeros& aAnalysis)
Bool_t	SecondFillFromFlowEvent(AliFlowEventSimple* anEvent)

Data Members

private:

AliFlowCommonHist*	fCommonHists	control histograms
AliFlowCommonHistResults*	fCommonHistsRes	final results histograms
Bool_t	fDebug	flag for lyz analysis: more print statements
Bool_t	fDoubleLoop	flag for studying non flow effects
Int_t	fEventNumber	event counter
Bool_t	fFirstRun	flag for lyz analysis: true=first run over data, false=second run
TList*	fFirstRunList	list from first run output
AliFlowLYZHist1*	fHist1[5]	array of hist1
AliFlowLYZHist2*	fHist2POI[5]	array of hist2
AliFlowLYZHist2*	fHist2RP[5]	array of hist2
TH1D*	fHistImDtheta	hist of the imaginary part of D^theta
TList*	fHistList	list to hold all output histograms
TProfile*	fHistProImDenom	hist of the imaginary part of the denominator
TProfile*	fHistProReDenom	hist of the real part of the denominator
TProfile*	fHistProVPtPOI	hist of v(pt) for POI selection
TProfile*	fHistProVPtRP	hist of v(pt) for RP selection
TProfile*	fHistProVetaPOI	hist of v(eta) for POI selection
TProfile*	fHistProVetaRP	hist of v(eta) for RP selection
TH1F*	fHistQsumforChi	hist of sum of Q-vectors and the sum of the square of Q-vectors
TH1D*	fHistR0theta	hist of r0(theta)
TH1D*	fHistReDtheta	hist of the real part of D^theta
TH1D*	fHistVtheta	hist of V(theta)
Bool_t	fUseSum	flag for lyz analysis: true=use sum gen.function, false=use product gen.function

Class Charts

Inheritance Chart:

AliFlowAnalysisWithLeeYangZeros

Function documentation

AliFlowAnalysisWithLeeYangZeros()

default constructor

~AliFlowAnalysisWithLeeYangZeros()

default destructor

void WriteHistograms(TString* outputFileName)

store the final results in output .root file

void WriteHistograms(TString outputFileName)

store the final results in output .root file

void WriteHistograms(TDirectoryFile* outputFileName)

store the final results in output .root file

Bool_t Init()

init method

Bool_t Make(AliFlowEventSimple* anEvent)

make method

void GetOutputHistograms(TList* outputListHistos)

 get the pointers to all output histograms before calling Finish()

Bool_t Finish()

finish method

Bool_t FillFromFlowEvent(AliFlowEventSimple* anEvent)

 Get event quantities from AliFlowEvent for all particles

Bool_t SecondFillFromFlowEvent(AliFlowEventSimple* anEvent)

for differential flow

Double_t GetQtheta(AliFlowVector aQ, Double_t aTheta)

calculate Qtheta. Qtheta is the sum over all particles of cos(dOrder*(dPhi-dTheta)) BP eq. 3

TComplex GetGrtheta(AliFlowEventSimple* anEvent, Double_t aR, Double_t aTheta)

 Product Generating Function for LeeYangZeros method
 PG Eq. 3 (J. Phys. G Nucl. Part. Phys 30 S1213 (2004))

TComplex GetDiffFlow(AliFlowEventSimple* anEvent, Double_t aR, Int_t theta)

 Sum for the denominator for diff. flow for the Product Generating Function for LeeYangZeros method
 PG Eq. 9 (J. Phys. G Nucl. Part. Phys 30 S1213 (2004))
 Also for v1 mixed harmonics: DF Eq. 5
 It is the deriverative of Grtheta at r0 divided by Grtheta at r0

AliFlowAnalysisWithLeeYangZeros()

void SetFirstRun(Bool_t kt)

{ this->fFirstRun = kt ; }

Bool_t GetFirstRun() const

{ return this->fFirstRun ; }

void SetUseSum(Bool_t kt)

{ this->fUseSum = kt ; }

Bool_t GetUseSum() const

{ return this->fUseSum ; }

void SetDoubleLoop(Bool_t kt)

{ this->fDoubleLoop = kt ; }

Bool_t GetDoubleLoop() const

{ return this->fDoubleLoop ; }

void SetDebug(Bool_t kt)

{ this->fDebug = kt ; }

Bool_t GetDebug() const

{ return this->fDebug ; }

void SetEventNumber(Int_t n)

{ this->fEventNumber = n; }

Int_t GetEventNumber() const

{ return this->fEventNumber; }

void SetQ2sum(Double_t d)

{ this->fQ2sum = d; }

Double_t GetQ2sum() const

{ return this->fQ2sum; }

TList* GetHistList() const

 Output

{ return this->fHistList ; }

AliFlowCommonHist* GetCommonHists() const

{ return this->fCommonHists; }

void SetCommonHists(AliFlowCommonHist *const aCommonHist)

{ this->fCommonHists = aCommonHist; }

AliFlowCommonHistResults* GetCommonHistsRes() const

{ return this->fCommonHistsRes; }

void SetCommonHistsRes(AliFlowCommonHistResults *const aCommonHistResult)

AliFlowLYZHist1* GetHist1() const             {return this->fHist1; }

{ this->fCommonHistsRes = aCommonHistResult; }

void SetHist1(AliFlowLYZHist1* *const aLYZHist1)

AliFlowLYZHist2* GetHist2() const             {return this->fHist2; }

void SetHist2RP(AliFlowLYZHist2* *const aLYZHist2RP)

void SetHist2POI(AliFlowLYZHist2* *const aLYZHist2POI)

TH1D* GetHistVtheta() const

{return this->fHistVtheta; }

void SetHistVtheta(TH1D *const aHistVtheta)

{ this->fHistVtheta = aHistVtheta; }

TProfile* GetHistProVetaRP() const

{return this->fHistProVetaRP; }

void SetHistProVetaRP(TProfile *const aHistProVetaRP)

{this->fHistProVetaRP = aHistProVetaRP; }

TProfile* GetHistProVetaPOI() const

{return this->fHistProVetaPOI; }

void SetHistProVetaPOI(TProfile *const aHistProVetaPOI)

{this->fHistProVetaPOI = aHistProVetaPOI; }

TProfile* GetHistProVPtRP() const

{return this->fHistProVPtRP;}

void SetHistProVPtRP(TProfile *const aHistProVPtRP)

{this->fHistProVPtRP = aHistProVPtRP; }

TProfile* GetHistProVPtPOI() const

{return this->fHistProVPtPOI;}

void SetHistProVPtPOI(TProfile *const aHistProVPtPOI)

{this->fHistProVPtPOI = aHistProVPtPOI; }

TH1D* GetHistR0theta() const

{return this->fHistR0theta; }

void SetHistR0theta(TH1D *const aHistR0theta)

{this->fHistR0theta = aHistR0theta; }

TProfile* GetHistProReDenom() const

{return this->fHistProReDenom; }

void SetHistProReDenom(TProfile *const aHistProReDenom)

{this->fHistProReDenom = aHistProReDenom; }

TProfile* GetHistProImDenom() const

{return this->fHistProImDenom; }

void SetHistProImDenom(TProfile *const aHistProImDenom)

{this->fHistProImDenom = aHistProImDenom; }

TH1D* GetHistReDtheta() const

{return this->fHistReDtheta; }

void SetHistReDtheta(TH1D *const aHistReDtheta)

{this->fHistReDtheta = aHistReDtheta; }

TH1D* GetHistImDtheta() const

{return this->fHistImDtheta; }

void SetHistImDtheta(TH1D *const aHistImDtheta)

{this->fHistImDtheta = aHistImDtheta; }

TH1F* GetHistQsumforChi() const

{return this->fHistQsumforChi; }

void SetHistQsumforChi(TH1F *const aHistQsumforChi)

{this->fHistQsumforChi = aHistQsumforChi; }

void SetFirstRunList(TList *const list)

{ this->fFirstRunList = list; }

TList* GetFirstRunList() const

{ return this->fFirstRunList; }

AliFlowAnalysisWithLeeYangZeros& operator=(const AliFlowAnalysisWithLeeYangZeros& aAnalysis)

Bool_t MakeControlHistograms(AliFlowEventSimple* anEvent)