Implementation of a sample jet analysis task. More...

#include <AliAnalysisTaskEmcalSample.h>

Inheritance diagram for AliAnalysisTaskEmcalSample:

Public Member Functions
	AliAnalysisTaskEmcalSample ()

	AliAnalysisTaskEmcalSample (const char *name)

virtual	~AliAnalysisTaskEmcalSample ()

void	UserCreateOutputObjects ()

void	Terminate (Option_t *option)

Public Member Functions inherited from AliAnalysisTaskEmcal
	AliAnalysisTaskEmcal ()
	Default constructor. More...

	AliAnalysisTaskEmcal (const char *name, Bool_t histo=kFALSE)
	Standard constructor. Should be used by the user. More...

virtual	~AliAnalysisTaskEmcal ()
	Destructor. More...

AliParticleContainer *	AddParticleContainer (const char *n)
	Create new particle container and attach it to the task. More...

AliTrackContainer *	AddTrackContainer (const char *n)
	Create new track container and attach it to the task. More...

AliMCParticleContainer *	AddMCParticleContainer (const char *n)
	Create new container for MC particles and attach it to the task. More...

AliClusterContainer *	AddClusterContainer (const char *n)
	Create new cluster container and attach it to the task. More...

void	AdoptParticleContainer (AliParticleContainer *cont)

void	AdoptTrackContainer (AliTrackContainer *cont)

void	AdoptMCParticleContainer (AliMCParticleContainer *cont)

void	AdoptClusterContainer (AliClusterContainer *cont)

AliParticleContainer *	GetParticleContainer (Int_t i=0) const
	Get \( i^{th} \) particle container attached to this task. More...

AliParticleContainer *	GetParticleContainer (const char *name) const
	Find particle container attached to this task according to its name. More...

AliClusterContainer *	GetClusterContainer (Int_t i=0) const
	Get \( i^{th} \) cluster container attached to this task. More...

AliClusterContainer *	GetClusterContainer (const char *name) const
	Find cluster container attached to this task according to its name. More...

AliMCParticleContainer *	GetMCParticleContainer (Int_t i=0) const

AliMCParticleContainer *	GetMCParticleContainer (const char *name) const

AliTrackContainer *	GetTrackContainer (Int_t i=0) const

AliTrackContainer *	GetTrackContainer (const char *name) const

void	RemoveParticleContainer (Int_t i=0)

void	RemoveClusterContainer (Int_t i=0)

void	SetCaloCellsName (const char *n)

void	SetCaloTriggerPatchInfoName (const char *n)

void	SetCaloTriggersName (const char *n)

void	SetCentRange (Double_t min, Double_t max)

void	SetCentralityEstimator (const char *c)

void	SetClusPtCut (Double_t cut, Int_t c=0)
	Apply cut on \( p_{t} \) for all clusters in container with index c. More...

void	SetClusTimeCut (Double_t min, Double_t max, Int_t c=0)
	Apply cut on cluster time for clusters in container with index c. More...

void	SetEventPlaneVsEmcal (Double_t ep)

void	SetForceBeamType (BeamType f)

void	SetHistoBins (Int_t nbins, Double_t min, Double_t max)

void	SetIsEmbedded (Bool_t i)

void	SetIsPythia (Bool_t i)

void	SetIsHerwig (Bool_t i)

void	SetMakeGeneralHistograms (Bool_t g)

void	SetNumberOfPtHardBins (Int_t nbins)
	Set the number of \( p_{t}\)-hard bins. More...

void	SetUserPtHardBinning (const TArrayI &binning)
	Set a non-standard \( p_{t}\)-hard binning. More...

void	SetMCLabelShift (Int_t s)

void	SetMinMCLabel (Int_t s)

void	SetMinNTrack (Int_t min)

void	SetZvertexDiffValue (Double_t cut)

void	SetMinPtTrackInEmcal (Double_t min)

virtual void	SetNCentBins (Int_t n)

void	SetNeedEmcalGeom (Bool_t n)

void	SetCountDownscaleCorrectedEvents (Bool_t d)

void	SetOffTrigger (UInt_t t)

void	SetTrackEtaLimits (Double_t min, Double_t max, Int_t c=0)
	Apply cut on the pseudorapidity \( \eta \) of the all tracks in the track container with index c. More...

void	SetTrackPhiLimits (Double_t min, Double_t max, Int_t c=0)
	Apply cut on azimuthal angle \( \phi \) of the all tracks in the track container with index c. More...

void	SetTrackPtCut (Double_t cut, Int_t c=0)
	Apply cut on the transverse momentum \( p_{t} \) of all tracks in the track container with index c. More...

void	SetTrigClass (const char *n)

void	SetMinBiasTriggerClassName (const char *n)

void	SetTriggerTypeSel (TriggerType t)

void	SetUseAliAnaUtils (Bool_t b, Bool_t bRejPilup=kTRUE)

void	SetVzRange (Double_t min, Double_t max)

void	SetUseSPDTrackletVsClusterBG (Bool_t b)

void	SetEMCalTriggerMode (EMCalTriggerMode_t m)

void	SetUseNewCentralityEstimation (Bool_t b)

void	SetGeneratePythiaInfoObject (Bool_t b)

void	SetPythiaInfoName (const char *n)

const TString &	GetPythiaInfoName () const

const AliEmcalPythiaInfo *	GetPythiaInfo () const

void	SetUsePtHardBinScaling (Bool_t b)

void	SetMCFilter ()

void	ResetMCFilter ()

void	SetJetPtFactor (Float_t f)

Float_t	JetPtFactor ()

void	SetClusterPtFactor (Float_t f)

Float_t	ClusterPtFactor ()

void	SetTrackPtFactor (Float_t f)

Float_t	TrackPtFactor ()

Protected Member Functions
void	ExecOnce ()

Bool_t	FillHistograms ()

Bool_t	Run ()

void	AllocateTrackHistograms ()

void	AllocateClusterHistograms ()

void	AllocateCellHistograms ()

void	DoTrackLoop ()

void	DoClusterLoop ()

void	DoCellLoop ()

Protected Member Functions inherited from AliAnalysisTaskEmcal
void	LoadPythiaInfo (AliVEvent *event)
	Load parton info. More...

void	SetRejectionReasonLabels (TAxis *axis)

Bool_t	AcceptCluster (AliVCluster *clus, Int_t c=0) const
	Cluster selection. More...

Bool_t	AcceptTrack (AliVParticle *track, Int_t c=0) const

void	AddObjectToEvent (TObject *obj, Bool_t attempt=kFALSE)
	Add object to event. More...

AliVParticle *	GetAcceptParticleFromArray (Int_t p, Int_t c=0) const
	Get particle p if accepted from container with index c If particle not accepted return 0. More...

AliVCluster *	GetAcceptClusterFromArray (Int_t cl, Int_t c=0) const
	Get cluster cl if accepted from container c If particle not accepted return 0. More...

TClonesArray *	GetArrayFromEvent (const char name, const char clname=0)
	Read a TClonesArray from event. More...

BeamType	GetBeamType () const
	Get beam type. More...

TClonesArray *	GetParticleArray (Int_t i=0) const
	Get \( i^{th} \) TClonesArray with particles. More...

TClonesArray *	GetClusterArray (Int_t i=0) const
	Get \( i^{th} \) TClonesArray with EMCAL clusters. More...

Int_t	GetNParticles (Int_t i=0) const
	Get number of particles in container attached to this task with index i. More...

Int_t	GetNClusters (Int_t i=0) const
	Get number of clusters in the cluster container attached to this task with index i. More...

AliEMCALTriggerPatchInfo *	GetMainTriggerPatch (TriggerCategory triggersel=kTriggerLevel1Jet, Bool_t doOfflinSimple=kFALSE)
	Get main trigger match. More...

Bool_t	HasTriggerType (TriggerType triggersel)
	Check if event has a given trigger type. More...

ULong_t	GetTriggerList ()
	Get list of selected triggers of the given event. More...

Bool_t	PythiaInfoFromFile (const char *currFile, Float_t &fXsec, Float_t &fTrials, Int_t &pthard)
	Loading PYTHIA information from external cross section file into the task. More...

Bool_t	IsTrackInEmcalAcceptance (AliVParticle *part, Double_t edges=0.9) const
	Determines if a track is inside the EMCal acceptance. More...

void	GeneratePythiaInfoObject (AliMCEvent *mcEvent)
	Copy some information about the Pythia event in a PythaInfo object. More...

Bool_t	CheckMCOutliers ()
	Filter the mc tails in pt-hard distributions. More...

void	UserCreateOutputObjects ()
	Main initialization function on the worker. More...

void	UserExec (Option_t *option)
	Event loop, called for each event. More...

Bool_t	UserNotify ()
	Notifying the user that the input data file has changed and performing steps needed to be done. More...

Bool_t	FileChanged ()
	Steps to be executed when a few file is loaded into the input handler. More...

virtual Bool_t	FillGeneralHistograms ()
	Filling general histograms. More...

virtual Bool_t	IsEventSelected ()
	Performing event selection. More...

virtual Bool_t	RetrieveEventObjects ()
	Retrieve common objects from event. More...

virtual void	RunChanged (Int_t)
	Process tasks relevant when a file with a different run number is processed. More...

virtual void	UserExecOnce ()
	Task initializations handled in user tasks. More...

virtual void	UserFileChanged ()
	Virtual method for user code to be executed when a file changed. More...

Protected Attributes
THistManager	fHistManager
	Histogram manager. More...

Protected Attributes inherited from AliAnalysisTaskEmcal
TString	fPythiaInfoName
	name of pythia info object More...

BeamType	fForceBeamType
	forced beam type More...

Bool_t	fGeneralHistograms
	whether or not it should fill some general histograms More...

Bool_t	fLocalInitialized
	whether or not the task has been already initialized More...

Bool_t	fFileChanged
	! Signal triggered when the file has changed More...

Bool_t	fCreateHisto
	whether or not create histograms More...

TString	fCaloCellsName
	name of calo cell collection More...

TString	fCaloTriggersName
	name of calo triggers collection More...

TString	fCaloTriggerPatchInfoName
	trigger patch info array name More...

Double_t	fMinCent
	min centrality for event selection More...

Double_t	fMaxCent
	max centrality for event selection More...

Double_t	fMinVz
	min vertex for event selection More...

Double_t	fMaxVz
	max vertex for event selection More...

Double_t	fTrackPtCut
	cut on track pt in event selection More...

Int_t	fMinNTrack
	minimum nr of tracks in event with pT>fTrackPtCut More...

Double_t	fZvertexDiff
	upper limit for distance between primary and SPD vertex More...

Bool_t	fUseAliAnaUtils
	used for LHC13* data: z-vtx, Ncontributors, z-vtx resolution cuts More...

Bool_t	fRejectPileup
	Reject pilup using function AliAnalysisUtils::IsPileUpEvent() More...

Bool_t	fTklVsClusSPDCut
	Apply tracklet-vs-cluster SPD cut to reject background events in pp. More...

UInt_t	fOffTrigger
	offline trigger for event selection More...

TString	fTrigClass
	trigger class name for event selection More...

TString	fMinBiasRefTrigger
	Name of the minmum bias reference trigger, used in the calculation of downscale-corrected event numbers. More...

TriggerType	fTriggerTypeSel
	trigger type to select based on trigger patches More...

Int_t	fNbins
	no. of pt bins More...

Double_t	fMinBinPt
	min pt in histograms More...

Double_t	fMaxBinPt
	max pt in histograms More...

Double_t	fMinPtTrackInEmcal
	min pt track in emcal More...

Double_t	fEventPlaneVsEmcal
	select events which have a certain event plane wrt the emcal More...

Double_t	fMinEventPlane
	minimum event plane value More...

Double_t	fMaxEventPlane
	maximum event plane value More...

TString	fCentEst
	name of V0 centrality estimator More...

Bool_t	fIsEmbedded
	trigger, embedded signal More...

Bool_t	fIsPythia
	trigger, if it is a PYTHIA production More...

Bool_t	fIsHerwig
	trigger, if it is a HERWIG production More...

Int_t	fSelectPtHardBin
	select one pt hard bin for analysis More...

Int_t	fMinMCLabel
	minimum MC label value for the tracks/clusters being considered MC particles More...

Int_t	fMCLabelShift
	if MC label > fMCLabelShift, MC label -= fMCLabelShift More...

Int_t	fNcentBins
	how many centrality bins More...

Bool_t	fNeedEmcalGeom
	whether or not the task needs the emcal geometry More...

TObjArray	fParticleCollArray
	particle/track collection array More...

TObjArray	fClusterCollArray
	cluster collection array More...

ULong_t	fTriggers
	list of fired triggers More...

EMCalTriggerMode_t	fEMCalTriggerMode
	EMCal trigger selection mode. More...

Bool_t	fUseNewCentralityEstimation
	Use new centrality estimation (for 2015 data) More...

Bool_t	fGeneratePythiaInfoObject
	Generate Pythia info object. More...

Bool_t	fUsePtHardBinScaling
	Use \( p_{t}\)-hard bin scaling in merging. More...

Bool_t	fUseXsecFromHeader
	! Use cross section from header instead of pyxsec.root (purely transient) More...

Bool_t	fMCRejectFilter
	enable the filtering of events by tail rejection More...

Bool_t	fCountDownscaleCorrectedEvents
	Count event number corrected for downscaling. More...

Float_t	fPtHardAndJetPtFactor
	Factor between ptHard and jet pT to reject/accept event. More...

Float_t	fPtHardAndClusterPtFactor
	Factor between ptHard and cluster pT to reject/accept event. More...

Float_t	fPtHardAndTrackPtFactor
	Factor between ptHard and track pT to reject/accept event. More...

Int_t	fRunNumber
	!run number (triggering RunChanged() More...

AliAnalysisUtils *	fAliAnalysisUtils
	!vertex selection (optional) More...

Bool_t	fIsEsd
	!whether it's an ESD analysis More...

AliEMCALGeometry *	fGeom
	!emcal geometry More...

TClonesArray *	fTracks
	!tracks More...

TClonesArray *	fCaloClusters
	!clusters More...

AliVCaloCells *	fCaloCells
	!cells More...

AliVCaloTrigger *	fCaloTriggers
	!calo triggers More...

TClonesArray *	fTriggerPatchInfo
	!trigger patch info array More...

Double_t	fCent
	!event centrality More...

Int_t	fCentBin
	!event centrality bin More...

Double_t	fEPV0
	!event plane V0 More...

Double_t	fEPV0A
	!event plane V0A More...

Double_t	fEPV0C
	!event plane V0C More...

Double_t	fVertex [3]
	!event vertex More...

Double_t	fVertexSPD [3]
	!event Svertex More...

Int_t	fNVertCont
	!event vertex number of contributors More...

Int_t	fNVertSPDCont
	!event SPD vertex number of contributors More...

BeamType	fBeamType
	!event beam type More...

AliGenPythiaEventHeader *	fPythiaHeader
	!event Pythia header More...

AliGenHerwigEventHeader *	fHerwigHeader
	!event Herwig header More...

Float_t	fPtHard
	!event \( p_{t}\)-hard More...

Int_t	fPtHardBin
	!event \( p_{t}\)-hard bin More...

Int_t	fPtHardBinGlobal
	!event \( p_{t}\)-hard bin, detected from filename More...

Int_t	fNPtHardBins
	Number of \( p_{t}\)-hard bins in the dataset. More...

TArrayI	fPtHardBinning
	\( p_{t}\)-hard binning More...

Int_t	fNTrials
	!event trials More...

Float_t	fXsection
	!x-section from pythia header More...

AliEmcalPythiaInfo *	fPythiaInfo
	!event parton info More...

AliEmcalList *	fOutput
	!output list More...

TH1 *	fHistEventCount
	!incoming and selected events More...

TH1 *	fHistTrialsAfterSel
	!total number of trials per pt hard bin after selection More...

TH1 *	fHistEventsAfterSel
	!total number of events per pt hard bin after selection More...

TProfile *	fHistXsectionAfterSel
	!x section from pythia header More...

TH1 *	fHistTrials
	!trials from pyxsec.root More...

TH1 *	fHistEvents
	!total number of events per pt hard bin More...

TProfile *	fHistXsection
	!x section from pyxsec.root More...

TH1 *	fHistPtHard
	! \( p_{t}\)-hard distribution More...

TH2 *	fHistPtHardCorr
	!Correlation between \( p_{t}\)-hard value and bin More...

TH2 *	fHistPtHardCorrGlobal
	!Correlation between \( p_{t}\)-hard value and global bin More...

TH2 *	fHistPtHardBinCorr
	!Correlation between global and local (per-event) \( p_{t}\)-hard bin More...

TH1 *	fHistCentrality
	!event centrality distribution More...

TH1 *	fHistZVertex
	!z vertex position More...

TH1 *	fHistEventPlane
	!event plane distribution More...

TH1 *	fHistEventRejection
	!book keep reasons for rejecting event More...

TH1 *	fHistTriggerClasses
	!number of events in each trigger class More...

TH1 *	fHistTriggerClassesCorr
	!corrected number of events in each trigger class More...

Private Member Functions
	AliAnalysisTaskEmcalSample (const AliAnalysisTaskEmcalSample &)

AliAnalysisTaskEmcalSample &	operator= (const AliAnalysisTaskEmcalSample &)

Additional Inherited Members
Public Types inherited from AliAnalysisTaskEmcal
enum	EDataType_t { kUnknownDataType, kESD, kAOD }
	Switch for the data type. More...

enum	BeamType { kNA = -1, kpp = 0, kAA = 1, kpA = 2 }
	Switch for the beam type. More...

enum	TriggerType { kND = -1, kJ1 = 0, kJ2 = 1, kG1 = 2, kG2 = 3, kL0 = 4 }
	Switch for EMCAL trigger types. More...

enum	TriggerCategory { kTriggerLevel0 = 0, kTriggerLevel1Jet = 1, kTriggerLevel1Gamma = 2, kTriggerRecalcJet = 3, kTriggerRecalcGamma = 4 }
	Online trigger categories. More...

enum	EMCalTriggerMode_t { kNoSpecialTreatment, kOverlapWithLowThreshold }
	Handling of the EMCAL trigger thresholds. More...

Static Public Member Functions inherited from AliAnalysisTaskEmcal
static AliAODInputHandler *	AddAODHandler ()
	Add an AOD handler to the analysis manager. More...

static AliESDInputHandler *	AddESDHandler ()
	Add a ESD handler to the analysis manager. More...

Static Protected Member Functions inherited from AliAnalysisTaskEmcal
static void	GetEtaPhiDiff (const AliVTrack t, const AliVCluster v, Double_t &phidiff, Double_t &etadiff)
	Calculate \(\phi\) and \(\eta\) difference between a track (t) and a cluster (c). More...

static Byte_t	GetTrackType (const AliVTrack *t)
	Get track type encoded from bits 20 and 21. More...

static Byte_t	GetTrackType (const AliAODTrack *aodTrack, UInt_t filterBit1, UInt_t filterBit2)
	Decode track type. More...

static Double_t	DeltaPhi (Double_t phia, Double_t phib, Double_t rMin=-TMath::Pi()/2, Double_t rMax=3 *TMath::Pi()/2)

static Double_t *	GenerateFixedBinArray (Int_t n, Double_t min, Double_t max)

static void	GenerateFixedBinArray (Int_t n, Double_t min, Double_t max, Double_t *array)

static Double_t	GetParallelFraction (AliVParticle part1, AliVParticle part2)
	Calculates the fraction of momentum z of part 1 w.r.t. part 2 in the direction of part 2. More...

static Double_t	GetParallelFraction (const TVector3 &vect1, AliVParticle *part2)
	Calculates the fraction of momentum z of vect 1 w.r.t. part 2 in the direction of part 2. More...

Static Protected Attributes inherited from AliAnalysisTaskEmcal
static Double_t	fgkEMCalDCalPhiDivide = 4.
	phi value used to distinguish between DCal and EMCal More...

Detailed Description

Implementation of a sample jet analysis task.

This class in an implementation of a sample task for EMCal jet analysis. It derives from AliAnalysisTaskEmcalJet. It performs a simple analysis, producing track and cluster spectra. It also performs a QA of the cluster-track matching.

Definition at line 30 of file AliAnalysisTaskEmcalSample.h.

Constructor & Destructor Documentation

AliAnalysisTaskEmcalSample::AliAnalysisTaskEmcalSample ( )

Default constructor. Needed by ROOT I/O

Definition at line 38 of file AliAnalysisTaskEmcalSample.cxx.

AliAnalysisTaskEmcalSample::AliAnalysisTaskEmcalSample ( const char * name )

Standard constructor. Should be used by the user.

Parameters

[in] name Name of the task

Definition at line 49 of file AliAnalysisTaskEmcalSample.cxx.

AliAnalysisTaskEmcalSample::~AliAnalysisTaskEmcalSample ( )

virtual

Destructor

Definition at line 59 of file AliAnalysisTaskEmcalSample.cxx.

AliAnalysisTaskEmcalSample::AliAnalysisTaskEmcalSample ( const AliAnalysisTaskEmcalSample & )

private

Member Function Documentation

void AliAnalysisTaskEmcalSample::AllocateCellHistograms ( )

protected

Definition at line 145 of file AliAnalysisTaskEmcalSample.cxx.

Referenced by UserCreateOutputObjects().

void AliAnalysisTaskEmcalSample::AllocateClusterHistograms ( )

protected

Definition at line 89 of file AliAnalysisTaskEmcalSample.cxx.

Referenced by UserCreateOutputObjects().

void AliAnalysisTaskEmcalSample::AllocateTrackHistograms ( )

protected

Definition at line 174 of file AliAnalysisTaskEmcalSample.cxx.

Referenced by UserCreateOutputObjects().

void AliAnalysisTaskEmcalSample::DoCellLoop ( )

protected

This function performs a loop over the reconstructed EMCal cells in the current event and fills the relevant histograms.

Definition at line 364 of file AliAnalysisTaskEmcalSample.cxx.

Referenced by FillHistograms().

void AliAnalysisTaskEmcalSample::DoClusterLoop ( )

protected

This function performs a loop over the reconstructed EMCal clusters in the current event and fills the relevant histograms.

Definition at line 305 of file AliAnalysisTaskEmcalSample.cxx.

Referenced by FillHistograms().

void AliAnalysisTaskEmcalSample::DoTrackLoop ( )

protected

This function performs a loop over the reconstructed tracks in the current event and fills the relevant histograms.

Definition at line 246 of file AliAnalysisTaskEmcalSample.cxx.

Referenced by FillHistograms().

void AliAnalysisTaskEmcalSample::ExecOnce ( )

protectedvirtual

This function is executed automatically for the first event. Some extra initialization can be performed here.

Reimplemented from AliAnalysisTaskEmcal.

Definition at line 388 of file AliAnalysisTaskEmcalSample.cxx.

Bool_t AliAnalysisTaskEmcalSample::FillHistograms ( )

protectedvirtual

The body of this function should contain instructions to fill the output histograms. This function is called inside the event loop, after the function Run() has been executed successfully (i.e. it returned kTRUE).

Returns: Always kTRUE

Reimplemented from AliAnalysisTaskEmcal.

Definition at line 233 of file AliAnalysisTaskEmcalSample.cxx.

AliAnalysisTaskEmcalSample& AliAnalysisTaskEmcalSample::operator= ( const AliAnalysisTaskEmcalSample & )

private

Bool_t AliAnalysisTaskEmcalSample::Run ( )

protectedvirtual

Run analysis code here, if needed. It will be executed before FillHistograms(). If this function return kFALSE, FillHistograms() will not be executed for the current event