PndSmpCand Class Reference

Simple particle candidate to perform simple combinatorics and particle counting for event filtering. More...

#include <PndSmpCand.h>

Public Member Functions
	PndSmpCand ()
	Default constructor. More...
	PndSmpCand (TLorentzVector lv, Float_t chrg, Int_t pdg=0, Int_t uid=-1)
	Constructor from Lorentz vector reference. More...
	PndSmpCand (TLorentzVector *lv, Float_t chrg, Int_t pdg=0, Int_t uid=-1)
	Constructor from pointer to Lorentz vector . More...
	PndSmpCand (Int_t pdg, PndSmpCand &c0, PndSmpCand &c1)
	Constructor from 2 daughters. Calls CombCand. More...
	PndSmpCand (Int_t pdg, PndSmpCand &c0, PndSmpCand &c1, PndSmpCand &c2)
	Constructor from 3 daughters. Calls CombCand. More...
	PndSmpCand (Int_t pdg, PndSmpCand &c0, PndSmpCand &c1, PndSmpCand &c2, PndSmpCand &c3)
	Constructor from 4 daughters. Calls CombCand. More...
	PndSmpCand (Int_t pdg, PndSmpCand &c0, PndSmpCand &c1, PndSmpCand &c2, PndSmpCand &c3, PndSmpCand &c4)
	Constructor from 5 daughters. Calls CombCand. More...
	PndSmpCand (Int_t pdg, PndSmpCand *c0, PndSmpCand *c1, PndSmpCand *c2=nullptr, PndSmpCand *c3=nullptr, PndSmpCand *c4=nullptr)
	Constructor from up to 5 daughter pointers. Calls CombCand. More...
void	SetP4 (TLorentzVector p4)
	Sets LorentzVector. More...
void	SetM (Double_t m)
	Sets mass (used for different mass hypotheses in filter. More...
void	SetCharge (Float_t ch)
	Sets charge. More...
Bool_t	operator== (const PndSmpCand &c1) const
	Overload of == operator needed to compare std::vectors of candidates. More...
Bool_t	operator!= (const PndSmpCand &c1) const
	Overload of == operator needed to compare std::vectors of candidates. More...
void	CombCand (Int_t pdg, PndSmpCand *c0, PndSmpCand *c1, PndSmpCand *c2=nullptr, PndSmpCand *c3=nullptr, PndSmpCand *c4=nullptr)
	Combines this candidate from several daughters (adds P4 and charges). More...
TLorentzVector	P4 ()
Float_t	Charge ()
Int_t	Pdg ()
Int_t	NDau ()
ULong_t	Marker ()
PndSmpCand *	Dau (Int_t idx)
Bool_t	Overlap (PndSmpCand *c)
Bool_t	Overlap (PndSmpCand &c)
void	Print ()

Detailed Description

Simple particle candidate to perform simple combinatorics and particle counting for event filtering.

Author

Klaus Goetzen <k [dot] goetzen (at) gsi [dot] de>

This class defines a simple particle candidate, which allows simple combinatoric with overlap check and provides access to its internal 4-vector.

Definition at line 23 of file PndSmpCand.h.

Constructor & Destructor Documentation

PndSmpCand() [1/8]

PndSmpCand::PndSmpCand ( )

inline

Default constructor.

Definition at line 27 of file PndSmpCand.h.

{};

PndSmpCand() [2/8]

PndSmpCand::PndSmpCand	(	TLorentzVector	lv,
		Float_t	chrg,
		Int_t	pdg = 0,
		Int_t	uid = -1
	)

Constructor from Lorentz vector reference.

PndSmpCand() [3/8]

PndSmpCand::PndSmpCand	(	TLorentzVector *	lv,
		Float_t	chrg,
		Int_t	pdg = 0,
		Int_t	uid = -1
	)

Constructor from pointer to Lorentz vector .

PndSmpCand() [4/8]

PndSmpCand::PndSmpCand ( Int_t  pdg, PndSmpCand &  c0, PndSmpCand &  c1  )

inline

Constructor from 2 daughters. Calls CombCand.

Definition at line 36 of file PndSmpCand.h.

References CombCand().

{ CombCand(pdg, &c0, &c1); }

PndSmpCand() [5/8]

PndSmpCand::PndSmpCand ( Int_t  pdg, PndSmpCand &  c0, PndSmpCand &  c1, PndSmpCand &  c2  )

inline

Constructor from 3 daughters. Calls CombCand.

Definition at line 38 of file PndSmpCand.h.

References CombCand().

{ CombCand(pdg, &c0, &c1, &c2); }

PndSmpCand() [6/8]

PndSmpCand::PndSmpCand ( Int_t  pdg, PndSmpCand &  c0, PndSmpCand &  c1, PndSmpCand &  c2, PndSmpCand &  c3  )

inline

Constructor from 4 daughters. Calls CombCand.

Definition at line 40 of file PndSmpCand.h.

References CombCand().

{ CombCand(pdg, &c0, &c1, &c2, &c3); }

PndSmpCand() [7/8]

PndSmpCand::PndSmpCand ( Int_t  pdg, PndSmpCand &  c0, PndSmpCand &  c1, PndSmpCand &  c2, PndSmpCand &  c3, PndSmpCand &  c4  )

inline

Constructor from 5 daughters. Calls CombCand.

Definition at line 42 of file PndSmpCand.h.

References CombCand().

{ CombCand(pdg, &c0, &c1, &c2, &c3, &c4); }

PndSmpCand() [8/8]

PndSmpCand::PndSmpCand ( Int_t  pdg, PndSmpCand *  c0, PndSmpCand *  c1, PndSmpCand *  c2 = nullptr, PndSmpCand *  c3 = nullptr, PndSmpCand *  c4 = nullptr  )

inline

Constructor from up to 5 daughter pointers. Calls CombCand.

Definition at line 45 of file PndSmpCand.h.

References CombCand().

{ CombCand(pdg, c0, c1, c2, c3, c4); }

Member Function Documentation

Charge()

Float_t PndSmpCand::Charge ( )

inline

Definition at line 65 of file PndSmpCand.h.

{ return fCharge; }

CombCand()

void PndSmpCand::CombCand	(	Int_t	pdg,
		PndSmpCand *	c0,
		PndSmpCand *	c1,
		PndSmpCand *	c2 = nullptr,
		PndSmpCand *	c3 = nullptr,
		PndSmpCand *	c4 = nullptr
	)

Combines this candidate from several daughters (adds P4 and charges).

Referenced by operator!=(), and PndSmpCand().

Dau()

PndSmpCand* PndSmpCand::Dau ( Int_t  idx )

inline

Definition at line 69 of file PndSmpCand.h.

  {
    if (idx >= 0 && idx < fNDau)
      return fDaughter[idx];
    else
      return nullptr;
  }

Marker()

ULong_t PndSmpCand::Marker ( )

inline

Definition at line 68 of file PndSmpCand.h.

{ return fMarker; }

NDau()

Int_t PndSmpCand::NDau ( )

inline

Definition at line 67 of file PndSmpCand.h.

{ return fNDau; }

operator!=()

Bool_t PndSmpCand::operator!= ( const PndSmpCand &  c1 ) const

inline

Overload of == operator needed to compare std::vectors of candidates.

Definition at line 59 of file PndSmpCand.h.

References CombCand().

{ return !(*this == c1); }

operator==()

Bool_t PndSmpCand::operator== ( const PndSmpCand &  c1 ) const

inline

Overload of == operator needed to compare std::vectors of candidates.

Definition at line 57 of file PndSmpCand.h.

{ return (c1.fMarker == fMarker) && (c1.fPdgCode == fPdgCode); }

Overlap() [1/2]

Bool_t PndSmpCand::Overlap ( PndSmpCand *  c )

inline

Definition at line 76 of file PndSmpCand.h.

{ return fMarker & c->fMarker; }

Overlap() [2/2]

Bool_t PndSmpCand::Overlap ( PndSmpCand &  c )

inline

Definition at line 77 of file PndSmpCand.h.

References Print().

{ return fMarker & c.fMarker; }

P4()

TLorentzVector PndSmpCand::P4 ( )

inline

Definition at line 64 of file PndSmpCand.h.

{ return fLV; }

Pdg()

Int_t PndSmpCand::Pdg ( )

inline

Definition at line 66 of file PndSmpCand.h.

{ return fPdgCode; }

Print()

void PndSmpCand::Print

(

)

Referenced by Overlap().

SetCharge()

void PndSmpCand::SetCharge ( Float_t  ch )

inline

Sets charge.

Definition at line 53 of file PndSmpCand.h.

{ fCharge = ch; }

SetM()

void PndSmpCand::SetM ( Double_t  m )

inline

Sets mass (used for different mass hypotheses in filter.

Definition at line 51 of file PndSmpCand.h.

References m.

{ fLV.SetVectM(fLV.Vect(), m); }

SetP4()

void PndSmpCand::SetP4 ( TLorentzVector  p4 )

inline

Sets LorentzVector.

Definition at line 49 of file PndSmpCand.h.

{ fLV = p4; }

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The documentation for this class was generated from the following file:

• PndSmpCand.h