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AliRoot » PWGLF » RESONANCES » AliRsnMiniPair

class AliRsnMiniPair: public TObject

Function Members (Methods)

public:

	AliRsnMiniPair()
	AliRsnMiniPair(const AliRsnMiniPair&)
	~AliRsnMiniPair()
void	TObject::AbstractMethod(const char* method) const
virtual void	TObject::AppendPad(Option_t* option = "")
virtual void	TObject::Browse(TBrowser* b)
static TClass*	Class()
virtual const char*	TObject::ClassName() const
virtual void	TObject::Clear(Option_t* = "")
virtual TObject*	TObject::Clone(const char* newname = "") const
virtual Int_t	TObject::Compare(const TObject* obj) const
virtual void	TObject::Copy(TObject& object) const
Double_t	CosThetaStar(Bool_t mc)
Double_t	DaughterDCA(Int_t daughterId)
Double_t	DaughterPt(Int_t daughterId, Bool_t mc)
void	DaughterPxPyPz(Int_t daughterId, Bool_t mc, Double_t* pxpypz)
Double_t	DCAProduct()
virtual void	TObject::Delete(Option_t* option = "")MENU
Double_t	DipAngle(Bool_t mc) const
virtual Int_t	TObject::DistancetoPrimitive(Int_t px, Int_t py)
virtual void	TObject::Draw(Option_t* option = "")
virtual void	TObject::DrawClass() constMENU
virtual TObject*	TObject::DrawClone(Option_t* option = "") constMENU
virtual void	TObject::Dump() constMENU
virtual void	TObject::Error(const char* method, const char* msgfmt) const
Double_t	Eta(Bool_t mc) const
virtual void	TObject::Execute(const char* method, const char* params, Int_t* error = 0)
virtual void	TObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)
virtual void	TObject::ExecuteEvent(Int_t event, Int_t px, Int_t py)
virtual void	TObject::Fatal(const char* method, const char* msgfmt) const
void	Fill(AliRsnMiniParticle* p1, AliRsnMiniParticle* p2, Double_t m1, Double_t m2, Double_t refMass)
void	FillRef(Double_t mass)
virtual TObject*	TObject::FindObject(const char* name) const
virtual TObject*	TObject::FindObject(const TObject* obj) const
virtual Option_t*	TObject::GetDrawOption() const
static Long_t	TObject::GetDtorOnly()
virtual const char*	TObject::GetIconName() const
virtual const char*	TObject::GetName() const
virtual char*	TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_t	TObject::GetObjectStat()
virtual Option_t*	TObject::GetOption() const
virtual const char*	TObject::GetTitle() const
virtual UInt_t	TObject::GetUniqueID() const
virtual Bool_t	TObject::HandleTimer(TTimer* timer)
virtual ULong_t	TObject::Hash() const
Int_t	ID(Bool_t mc) const
virtual void	TObject::Info(const char* method, const char* msgfmt) const
virtual Bool_t	TObject::InheritsFrom(const char* classname) const
virtual Bool_t	TObject::InheritsFrom(const TClass* cl) const
virtual void	TObject::Inspect() constMENU
void	TObject::InvertBit(UInt_t f)
void	InvertP(Bool_t first)
Double_t	InvMass(Bool_t mc) const
Double_t	InvMassDiff() const
Double_t	InvMassRes() const
virtual TClass*	IsA() const
virtual Bool_t	TObject::IsEqual(const TObject* obj) const
virtual Bool_t	TObject::IsFolder() const
Bool_t&	IsFromB()
Bool_t	TObject::IsOnHeap() const
Bool_t&	IsQuarkFound()
virtual Bool_t	TObject::IsSortable() const
Bool_t	TObject::IsZombie() const
virtual void	TObject::ls(Option_t* option = "") const
void	TObject::MayNotUse(const char* method) const
Int_t&	Mother()
Int_t&	MotherPDG()
Double_t	Mt(Bool_t mc) const
virtual Bool_t	TObject::Notify()
Short_t	NSisters()
void	TObject::Obsolete(const char* method, const char* asOfVers, const char* removedFromVers) const
static void	TObject::operator delete(void* ptr)
static void	TObject::operator delete(void* ptr, void* vp)
static void	TObject::operator delete[](void* ptr)
static void	TObject::operator delete[](void* ptr, void* vp)
void*	TObject::operator new(size_t sz)
void*	TObject::operator new(size_t sz, void* vp)
void*	TObject::operator new[](size_t sz)
void*	TObject::operator new[](size_t sz, void* vp)
AliRsnMiniPair&	operator=(const AliRsnMiniPair&)
TLorentzVector&	P1(Bool_t mc)
TLorentzVector&	P2(Bool_t mc)
virtual void	TObject::Paint(Option_t* option = "")
Float_t&	PmotherX()
Float_t&	PmotherY()
Float_t&	PmotherZ()
virtual void	TObject::Pop()
virtual void	TObject::Print(Option_t* option = "") const
Double_t	Pt(Bool_t mc) const
Double_t	PtRatio(Bool_t mc) const
Double_t	Pz(Bool_t mc) const
virtual Int_t	TObject::Read(const char* name)
virtual void	TObject::RecursiveRemove(TObject* obj)
TLorentzVector&	Ref(Bool_t mc)
void	TObject::ResetBit(UInt_t f)
virtual void	TObject::SaveAs(const char* filename = "", Option_t* option = "") constMENU
virtual void	TObject::SavePrimitive(basic_ostream<char,char_traits<char> >& out, Option_t* option = "")
void	TObject::SetBit(UInt_t f)
void	TObject::SetBit(UInt_t f, Bool_t set)
virtual void	TObject::SetDrawOption(Option_t* option = "")MENU
static void	TObject::SetDtorOnly(void* obj)
static void	TObject::SetObjectStat(Bool_t stat)
virtual void	TObject::SetUniqueID(UInt_t uid)
virtual void	ShowMembers(TMemberInspector&)
virtual void	Streamer(TBuffer&)
void	StreamerNVirtual(TBuffer& ClassDef_StreamerNVirtual_b)
TLorentzVector&	Sum(Bool_t mc)
virtual void	TObject::SysError(const char* method, const char* msgfmt) const
Bool_t	TObject::TestBit(UInt_t f) const
Int_t	TObject::TestBits(UInt_t f) const
virtual void	TObject::UseCurrentStyle()
virtual void	TObject::Warning(const char* method, const char* msgfmt) const
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const
Double_t	Y(Bool_t mc) const

protected:

virtual void	TObject::DoError(int level, const char* location, const char* fmt, va_list va) const
void	TObject::MakeZombie()

Data Members

public:

enum TObject::EStatusBits {	kCanDelete
	kMustCleanup
	kObjInCanvas
	kIsReferenced
	kHasUUID
	kCannotPick
	kNoContextMenu
	kInvalidObject
};
enum TObject::[unnamed] {	kIsOnHeap
	kNotDeleted
	kZombie
	kBitMask
	kSingleKey
	kOverwrite
	kWriteDelete
};

private:

Double_t	fDCA1	1st daughter DCA
Double_t	fDCA2	2nd daughter DCA
Bool_t	fIsFromB	is the particle from B meson flag
Bool_t	fIsQuarkFound	is the particle from a quark flag (used to reject or accept Hijing event)
Int_t	fMother	label of mothers (when common)
Int_t	fMotherPDG	PDG code of mother (when common)
Short_t	fNSisters	total number of mother's daughters in the MC stack
TLorentzVector	fP1[2]	1st daughter momentum
TLorentzVector	fP2[2]	2nd daughter momentum
Float_t	fPmother[3]	MC momentum of the pair corresponding mother
TLorentzVector	fRef[2]	same as 'fSum' but with nominal resonance mass
TLorentzVector	fSum[2]	sum of momenta

Class Charts

Inheritance Chart:

TObject

←

AliRsnMiniPair

Function documentation

Double_t CosThetaStar(Bool_t mc)

 Return cosine of angle of one daughter to the resonance momentum in its rest frame

void InvertP(Bool_t first)

 Inverts one 4-momentum and recompute sum

void FillRef(Double_t mass)

 Fill ref 4-vectors using the passed mass and the values in 'sum'

Double_t InvMassRes() const

 Return invariant mass resolution

Double_t InvMassDiff() const

 Return invariant mass resolution

Double_t PtRatio(Bool_t mc) const

 Return ratio of transverse momenta of daughters

Double_t DipAngle(Bool_t mc) const

 Opening angle in a Z-T space

Double_t DaughterPt(Int_t daughterId, Bool_t mc)

returns pt of the <id> daughter
 if MC returns generated momenta

Double_t DaughterDCA(Int_t daughterId)

returns dca to Primary Vertex of the <id> daughter

Double_t DCAProduct()

returns products of the DCA of the 2 daughters

void DaughterPxPyPz(Int_t daughterId, Bool_t mc, Double_t* pxpypz)

returns px,py,pz of the <id> daughter by saving them into pxpypz
 if MC returns generated momenta

AliRsnMiniPair()

{Int_t i = 3; while (i--) fPmother[i] = 0.0;}

Int_t & Mother()

{return fMother;}

Int_t & MotherPDG()

{return fMotherPDG;}

Bool_t & IsFromB()

{return fIsFromB;}

Bool_t & IsQuarkFound()

{return fIsQuarkFound;}

Float_t & PmotherX()

{return fPmother[0];}

Float_t & PmotherY()

{return fPmother[1];}

Float_t & PmotherZ()

{return fPmother[2];}

void Fill(AliRsnMiniParticle* p1, AliRsnMiniParticle* p2, Double_t m1, Double_t m2, Double_t refMass)

Int_t ID(Bool_t mc) const

{if (mc) return 1; else return 0;}

TLorentzVector & P1(Bool_t mc)

{return fP1 [ID(mc)];}

TLorentzVector & P2(Bool_t mc)

{return fP2 [ID(mc)];}

TLorentzVector & Sum(Bool_t mc)

{return fSum[ID(mc)];}

TLorentzVector & Ref(Bool_t mc)

{return fRef[ID(mc)];}

Double_t Pt(Bool_t mc) const

{return fSum[ID(mc)].Pt();}

Double_t Pz(Bool_t mc) const

{return fSum[ID(mc)].Pz();}

Double_t Eta(Bool_t mc) const

{return fSum[ID(mc)].Eta();}

Double_t InvMass(Bool_t mc) const

{return fSum[ID(mc)].M();}

Double_t Mt(Bool_t mc) const

{return fRef[ID(mc)].Mt();}

Double_t Y(Bool_t mc) const

{return fRef[ID(mc)].Rapidity();}

Short_t NSisters()

{return fNSisters;}