Represent a lepton in an instance of Lepjets_Event class. This class hold the following information:

Four-momentum.
The type code (electron, muon, or generic lepton).
The resolution in Vector_Resolution type.

#include <Lepjets_Event_Lep.h>

Inheritance diagram for hitfit::Lepjets_Event_Lep:

Public Member Functions
std::ostream &	dump (std::ostream &s, bool full=false) const
	Print the content of this object.
double	eta_sigma () const
	Return the uncertainty in pseudorapidity $\eta$ .
	Lepjets_Event_Lep (const Fourvec &p, int type, const Vector_Resolution &res)
	Constructor, create a new instance of Lepjets_Event_Lep.
bool	operator< (const Lepjets_Event_Lep &x) const
	Comparison operator for sorting purpose, based on $p_{T}$.
Fourvec &	p ()
	Return a reference to the four-momentum.
const Fourvec &	p () const
	Return a constant reference to the four-momentum.
double	p_sigma () const
	Return the uncertainty in momentum or $p_{T}$ ( or $1/p_{T}$ if the lepton is a tracking object).
double	phi_sigma () const
	Return the uncertainty in azimuthal angle $\phi$ .
const Vector_Resolution &	res () const
	Return a constant reference to the resolution.
Vector_Resolution &	res ()
	Return a reference to the resolution.
void	smear (CLHEP::HepRandomEngine &engine, bool smear_dir=false)
	Smear this object.
int &	type ()
	Return a reference to the type code.
int	type () const
	Return the type code.
Private Attributes
Fourvec	_p
Vector_Resolution	_res
int	_type

Detailed Description

Represent a lepton in an instance of Lepjets_Event class. This class hold the following information:

Four-momentum.
The type code (electron, muon, or generic lepton).
The resolution in Vector_Resolution type.

Definition at line 69 of file Lepjets_Event_Lep.h.

Constructor & Destructor Documentation

hitfit::Lepjets_Event_Lep::Lepjets_Event_Lep	(	const Fourvec &	p,
		int	type,
		const Vector_Resolution &	res
	)

Constructor, create a new instance of Lepjets_Event_Lep.

Parameters:

p	The four-momentum.
type	The type code.
res	The resolution.

Definition at line 42 of file Lepjets_Event_Lep.cc.

  : _p (p),
    _type (type),
    _res (res)
{
}

Member Function Documentation

std::ostream & hitfit::Lepjets_Event_Lep::dump	(	std::ostream &	s,
		bool	full = `false`
	)		const

Print the content of this object.

Parameters:

s	The output stream to which to write.
full	If TRUE, print all information about this instance of Lepjets_Event_Lep. If FALSE, print partial information about this instance of Lepjets_Event_Lep.

Reimplemented in hitfit::Lepjets_Event_Jet.

Definition at line 182 of file Lepjets_Event_Lep.cc.

References full, and alignCSCRings::s.

Referenced by hitfit::Lepjets_Event_Jet::dump(), and hitfit::operator<<().

{
    s << "[" << _type << "] " << _p << "; pt: " << _p.perp() << ", eta: " << _p.eta() << ", phi: " << _p.phi() ;
  if (full) {
    s << "\n    " << _res;
  }
  return s;
}

double hitfit::Lepjets_Event_Lep::eta_sigma ( ) const

Return the uncertainty in pseudorapidity $\eta$ .

Definition at line 144 of file Lepjets_Event_Lep.cc.

References _p, _res, and hitfit::Vector_Resolution::eta_sigma().

{
  return _res.eta_sigma (_p);
}

bool hitfit::Lepjets_Event_Lep::operator< ( const Lepjets_Event_Lep & x ) const

Comparison operator for sorting purpose, based on $p_{T}$.

Parameters:

x	The other instance of Lepjets_Event to be compared.

Definition at line 227 of file Lepjets_Event_Lep.cc.

References AlCaHLTBitMon_ParallelJobs::p, and x.

{
  return p().perp2() < x.p().perp2();
}

const Fourvec & hitfit::Lepjets_Event_Lep::p ( ) const

Return a constant reference to the four-momentum.

Definition at line 72 of file Lepjets_Event_Lep.cc.

References _p.

{
  return _p;
}

Fourvec & hitfit::Lepjets_Event_Lep::p ( )

Return a reference to the four-momentum.

Definition at line 60 of file Lepjets_Event_Lep.cc.

References _p.

Referenced by TtSemiLepHitFitProducer< LeptonCollection >::produce().

{
  return _p;
}

double hitfit::Lepjets_Event_Lep::p_sigma ( ) const

Return the uncertainty in momentum $p$ or $p_{T}$ ( $1/p$ or $1/p_{T}$ if the lepton is a tracking object).

Definition at line 132 of file Lepjets_Event_Lep.cc.

References _p, _res, and hitfit::Vector_Resolution::p_sigma().

{
  return _res.p_sigma (_p);
}

double hitfit::Lepjets_Event_Lep::phi_sigma ( ) const

Return the uncertainty in azimuthal angle $\phi$ .

Definition at line 156 of file Lepjets_Event_Lep.cc.

References _p, _res, and hitfit::Vector_Resolution::phi_sigma().

{
  return _res.phi_sigma (_p);
}

Vector_Resolution & hitfit::Lepjets_Event_Lep::res ( )

Return a reference to the resolution.

Definition at line 120 of file Lepjets_Event_Lep.cc.

References _res.

{
  return _res;
}

const Vector_Resolution & hitfit::Lepjets_Event_Lep::res ( ) const

Return a constant reference to the resolution.

Definition at line 108 of file Lepjets_Event_Lep.cc.

References _res.

{
  return _res;
}

void hitfit::Lepjets_Event_Lep::smear	(	CLHEP::HepRandomEngine &	engine,
		bool	smear_dir = `false`
	)

Smear this object.

Parameters:

engine	The underlying random number generator.
smear_dir	If TRUE, also smear the object's direction. If FALSE, then only smear the magnitude of three-momentum.

Definition at line 168 of file Lepjets_Event_Lep.cc.

References _p, _res, and hitfit::Vector_Resolution::smear().

{
  _res.smear (_p, engine, smear_dir);
}

int hitfit::Lepjets_Event_Lep::type ( ) const

Return the type code.

Definition at line 96 of file Lepjets_Event_Lep.cc.

References _type.

{
  return _type;
}

int & hitfit::Lepjets_Event_Lep::type ( )

Return a reference to the type code.

Definition at line 84 of file Lepjets_Event_Lep.cc.

References _type.

Referenced by hitfit::Lepjets_Event::set_jet_types().

{
  return _type;
}

Member Data Documentation

Fourvec hitfit::Lepjets_Event_Lep::_p [private]

The four-momentum.

Definition at line 180 of file Lepjets_Event_Lep.h.

Referenced by eta_sigma(), p(), p_sigma(), phi_sigma(), and smear().

Vector_Resolution hitfit::Lepjets_Event_Lep::_res [private]

The resolution.

Definition at line 190 of file Lepjets_Event_Lep.h.

Referenced by eta_sigma(), p_sigma(), phi_sigma(), res(), and smear().

int hitfit::Lepjets_Event_Lep::_type [private]

The type code.

Definition at line 185 of file Lepjets_Event_Lep.h.

Referenced by type().

hitfit::Lepjets_Event_Lep Class Reference

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation