SimG4ParticleSmearFormula Class Reference

Formula particle smearing tool. More...

#include <SimG4ParticleSmearFormula.h>

Inheritance diagram for SimG4ParticleSmearFormula:

Collaboration diagram for SimG4ParticleSmearFormula:

Public Member Functions
	SimG4ParticleSmearFormula (const std::string &type, const std::string &name, const IInterface *parent)
virtual	~SimG4ParticleSmearFormula ()
virtual StatusCode	initialize () final
	Initialize the tool and a random number generator.
virtual StatusCode	finalize () final
	Finalize.
virtual StatusCode	smearMomentum (CLHEP::Hep3Vector &aMom, int aPdg=0) final
	Smear the momentum of the particle.
virtual StatusCode	checkConditions (double, double, double) const final
	Check conditions of the smearing model, especially if the given parametrs do not exceed the parameters of the model.
Public Member Functions inherited from ISimG4ParticleSmearTool
	DeclareInterfaceID (ISimG4ParticleSmearTool, 1, 0)

Private Attributes
TFormula	m_resolutionMomentum
	TFormula representing resolution momentum-dependent for the smearing.
SmartIF< IRndmGenSvc >	m_randSvc
	Random Number Service.
IRndmGen *	m_gauss
	Gaussian random number generator used for smearing with a constant resolution (m_sigma)
Gaudi::Property< std::string >	m_resolutionMomentumStr
	string defining a TFormula representing resolution momentum-dependent for the smearing (set by job options)

Detailed Description

Formula particle smearing tool.

The resolution dependence can be expressed by an arbitrary formula in the configuration. Smears momentum of the particle following a Gaussian distribution, using the evaluated formula as the mean. For more information please see.

Author

Anna Zaborowska

Constructor & Destructor Documentation

SimG4ParticleSmearFormula()

SimG4ParticleSmearFormula::SimG4ParticleSmearFormula ( const std::string & type, const std::string & name, const IInterface * parent )

explicit

~SimG4ParticleSmearFormula()

SimG4ParticleSmearFormula::~SimG4ParticleSmearFormula ( )

virtual

Member Function Documentation

checkConditions()

virtual StatusCode SimG4ParticleSmearFormula::checkConditions ( double , double , double  ) const

inlinefinalvirtual

Check conditions of the smearing model, especially if the given parametrs do not exceed the parameters of the model.

Parameters

[in]	aMinMomentum	Minimum momentum.
[in]	aMaxMomentum	Maximum momentum.
[in]	aMaxEta	Maximum pseudorapidity.

Returns

status code

Implements ISimG4ParticleSmearTool.

finalize()

StatusCode SimG4ParticleSmearFormula::finalize ( )

finalvirtual

Finalize.

Returns

status code

initialize()

StatusCode SimG4ParticleSmearFormula::initialize ( )

finalvirtual

Initialize the tool and a random number generator.

Returns

status code

smearMomentum()

StatusCode SimG4ParticleSmearFormula::smearMomentum ( CLHEP::Hep3Vector & aMom, int aPdg = 0 )

finalvirtual

Smear the momentum of the particle.

Parameters

	aMom	Particle momentum to be smeared.
[in]	aPdg	Particle PDG code.

Returns

status code

Implements ISimG4ParticleSmearTool.

Member Data Documentation

m_gauss

IRndmGen* SimG4ParticleSmearFormula::m_gauss

private

Gaussian random number generator used for smearing with a constant resolution (m_sigma)

m_randSvc

SmartIF<IRndmGenSvc> SimG4ParticleSmearFormula::m_randSvc

private

Random Number Service.

m_resolutionMomentum

TFormula SimG4ParticleSmearFormula::m_resolutionMomentum

private

TFormula representing resolution momentum-dependent for the smearing.

m_resolutionMomentumStr

Gaudi::Property<std::string> SimG4ParticleSmearFormula::m_resolutionMomentumStr

private

Initial value:

{
      this, "resolutionMomentum", "",
      "string defining a TFormula representing resolution momentum-dependent for the smearing"}

string defining a TFormula representing resolution momentum-dependent for the smearing (set by job options)

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

• SimG4Fast/src/components/SimG4ParticleSmearFormula.h
• SimG4Fast/src/components/SimG4ParticleSmearFormula.cpp