A class implementing a likelihood for the ttbar allhadronic channel. More...

#include <LikelihoodTopAllHadronic.h>

Inheritance diagram for KLFitter::LikelihoodTopAllHadronic:

Public Member Functions
Constructors and destructors
	LikelihoodTopAllHadronic ()
	The default constructor.

	~LikelihoodTopAllHadronic ()
	The (defaulted) destructor.

Member functions (BAT)
void	DefineParameters () override
	Define the parameters of the fit.

double	LogLikelihood (const std::vector< double > &parameters) override
	The posterior probability definition, overloaded from BCModel. More...

std::vector< double >	LogLikelihoodComponents (std::vector< double > parameters) override
	The posterior probability definition, overloaded from BCModel. More...

std::vector< double >	GetInitialParameters () override
	Get initial values for the parameters. More...

Public Member Functions inherited from KLFitter::LikelihoodBase
	LikelihoodBase (Particles **particles=0)
	The default constructor. More...

virtual	~LikelihoodBase ()
	The default destructor.

KLFitter::PhysicsConstants *	PhysicsConstants ()
	Return the table of physics constants. More...

KLFitter::DetectorBase *	Detector ()
	Return the detector. More...

KLFitter::Particles **	PParticlesPermuted ()
	Return the set of measured particles. More...

KLFitter::Particles *	ParticlesModel ()
	Return the set of model particles. More...

int	NParticlesModel ()
	Return the number of model particles. More...

int	NParameters ()
	Return the number of parameters. More...

double	ParMin (int index)
	Return the lower boundary of a parameter. More...

double	ParMax (int index)
	Return the upper boundary of a parameter. More...

BtaggingMethod	GetBTagging ()
	Get flag to use b-tagging or not. More...

bool	FlagIntegrate ()

int	SetPhysicsConstants (KLFitter::PhysicsConstants *physicsconstants)
	Set the physics constants. More...

virtual int	SetDetector (KLFitter::DetectorBase **detector)
	Set the detector. More...

int	SetParticlesPermuted (KLFitter::Particles **particles)
	Set the measured particles. More...

int	SetPermutations (std::unique_ptr< KLFitter::Permutations > *permutations)
	Set the permutation object. More...

int	SetParameterRange (int index, double parmin, double parmax)
	Set the range of a model parameter. More...

int	SetInitialParameters (std::vector< double > const &parameters)
	Set the initial values for the minimization, etc. More...

int	SetInitialParametersNChains (std::vector< double > const &parameters, unsigned int nchains)
	Set the initial values for the minimization, etc. More...

int	SetBTagging (BtaggingMethod btagmethod)
	Set which b-tagging you wish to use. More...

int	SetFlagBTagging (bool flag)
	THIS IS AN OUTDATED METHOD - JUST HERE FOR BACKWARD COMPATIBILITY. More...

int	SetFlagIsNan (bool flag)
	Set flag FlagIsNan. More...

bool	GetFlagIsNan (void)
	Get flag FlagIsNan. More...

int	SetFlagIntegrate (bool flag)
	Set flag to integrate or not. More...

void	SetFlagUseJetMass (bool flag)
	Set flag to use measured jet masses (true) instead of parton masses (false);.

virtual int	Initialize ()
	Initialize the likelihood for the event. More...

void	PropagateBTaggingInformation ()
	Propagate the b-tagging information from the permuted (measured) particles to the model particles.

virtual double	LogAPrioriProbability (const std::vector< double > &) override
	The prior probability definition, overloaded from BCModel. More...

virtual double	LogEventProbability ()
	Return the log of the event probability fof the current combination. More...

virtual double	LogEventProbabilityBTag ()
	Return the contribution from b tagging to the log of the event probability for the current combination. More...

virtual int	RemoveForbiddenParticlePermutations ()
	Remove forbidden particle permutations. More...

virtual bool	NoTFProblem (std::vector< double > parameters)
	Check if there are TF problems. More...

std::vector< double >	GetBestFitParameters ()
	Returns the best fit parameters, overloaded from BCModel. More...

std::vector< double >	GetBestFitParameterErrors ()
	Returns the errors of the best fit parameters, overloaded from BCModel. More...

double	GetBestFitParameter (unsigned int index)
	Returns the best fit parameters, overloaded from BCModel. More...

double	GetBestFitParameterError (unsigned int index)
	Returns the errors of the best fit parameter i, overloaded from BCModel. More...

virtual int	LHInvariantPermutationPartner (int, int, int , int )
	Check if the permutation is LH invariant. More...

int	GetParametersFromCache (int iperm)
	Write parameters from fCachedParametersVector.at(iperm) to fCachedParameters. More...

int	SetParametersToCache (int iperm, int nperms)
	Write parameters to fCachedParametersVector.at(iperm) from GetBestFitParameter() More...

double	GetIntegral ()

int	ResetCache ()
	Resets the values of all parameter cache vectors. More...

Protected Member Functions
int	SavePermutedParticles () override
	Save permuted particles.

int	SaveResolutionFunctions () override
	Save resolution functions.

Member functions (misc)
int	CalculateLorentzVectors (std::vector< double > const &parameters) override
	Update 4-vectors of model particles. More...

int	AdjustParameterRanges () override
	Adjust parameter ranges.

int	DefineModelParticles () override
	Define the model particles. More...

int	RemoveInvariantParticlePermutations () override
	Remove invariant particle permutations. More...

int	BuildModelParticles () override
	Remove forbidden particle permutations - forcing b-jets on the position of a b parton. More...

Protected Member Functions inherited from KLFitter::LikelihoodBase
double	SetPartonMass (double jetmass, double quarkmass, double px, double py, double *pz, double e)
	Set model parton mass according to fFlagUseJetMass. More...

Protected Attributes
bool	fFlagTopMassFixed
	A flag for using a fixed top mass (true) or not (false).

bool	fFlagGetParSigmasFromTFs
	Flag for using ResolutionBase::GetSigma() to retrieve the parameter ranges.

ResolutionBase *	fResEnergyBhad1
	Save resolution functions since the eta of the partons is not fitted.

ResolutionBase *	fResEnergyBhad2

ResolutionBase *	fResEnergyLQ1

ResolutionBase *	fResEnergyLQ2

ResolutionBase *	fResEnergyLQ3

ResolutionBase *	fResEnergyLQ4

double	bhad1_meas_e
	Save measured particle values for frequent calls.

double	bhad1_meas_p

double	bhad1_meas_m

double	bhad1_meas_deteta

double	bhad1_meas_eta

double	bhad1_meas_phi

double	bhad1_meas_px

double	bhad1_meas_py

double	bhad1_meas_pz

double	bhad2_meas_e

double	bhad2_meas_p

double	bhad2_meas_m

double	bhad2_meas_deteta

double	bhad2_meas_eta

double	bhad2_meas_phi

double	bhad2_meas_px

double	bhad2_meas_py

double	bhad2_meas_pz

double	lq1_meas_e

double	lq1_meas_p

double	lq1_meas_m

double	lq1_meas_deteta

double	lq1_meas_eta

double	lq1_meas_phi

double	lq1_meas_px

double	lq1_meas_py

double	lq1_meas_pz

double	lq2_meas_e

double	lq2_meas_p

double	lq2_meas_m

double	lq2_meas_deteta

double	lq2_meas_eta

double	lq2_meas_phi

double	lq2_meas_px

double	lq2_meas_py

double	lq2_meas_pz

double	lq3_meas_e

double	lq3_meas_p

double	lq3_meas_m

double	lq3_meas_deteta

double	lq3_meas_eta

double	lq3_meas_phi

double	lq3_meas_px

double	lq3_meas_py

double	lq3_meas_pz

double	lq4_meas_e

double	lq4_meas_p

double	lq4_meas_m

double	lq4_meas_deteta

double	lq4_meas_eta

double	lq4_meas_phi

double	lq4_meas_px

double	lq4_meas_py

double	lq4_meas_pz

double	bhad1_fit_e
	Save fit particle values for frequent calls.

double	bhad1_fit_px

double	bhad1_fit_py

double	bhad1_fit_pz

double	bhad2_fit_e

double	bhad2_fit_px

double	bhad2_fit_py

double	bhad2_fit_pz

double	lq1_fit_e

double	lq1_fit_px

double	lq1_fit_py

double	lq1_fit_pz

double	lq2_fit_e

double	lq2_fit_px

double	lq2_fit_py

double	lq2_fit_pz

double	lq3_fit_e

double	lq3_fit_px

double	lq3_fit_py

double	lq3_fit_pz

double	lq4_fit_e

double	lq4_fit_px

double	lq4_fit_py

double	lq4_fit_pz

double	whad1_fit_m

double	whad2_fit_m

double	thad1_fit_m

double	thad2_fit_m

Protected Attributes inherited from KLFitter::LikelihoodBase
KLFitter::Particles **	fParticlesPermuted
	A pointer to the measured particles.

std::unique_ptr< KLFitter::Permutations > *	fPermutations
	A pointer to the permutation object.

std::unique_ptr< KLFitter::Particles >	fParticlesModel
	A pointer to the model particles.

KLFitter::PhysicsConstants	fPhysicsConstants
	A pointer to the table of physics constants.

KLFitter::DetectorBase **	fDetector
	A pointer to the detector.

std::vector< double >	fEventProbability
	The event probabilities for the different permutations.

bool	fFlagIntegrate
	A flag to integrate over the likelihood or not.

bool	fFlagIsNan
	A flag for knowing that Minuit gave parameters with NaN values to LogLikelihood.

bool	fFlagUseJetMass
	A flag for using the measured jet masses (true) instead of parton masses (false);.

bool	fTFgood
	Global variable for TF problems.

BtaggingMethod	fBTagMethod
	Name of btagging enum.

std::vector< double >	fCachedParameters
	The cached parameters used for the current permutation.

std::vector< double >	fCachedParameterErrors
	The cached parameter errors used for the current permutation.

std::vector< std::vector< double > >	fCachedParametersVector
	A vector of cached parameters, one for each permutation. More...

std::vector< std::vector< double > >	fCachedParameterErrorsVector
	A vector of cached parameter errors, one for each permutation. More...

double	fCachedNormalization
	The cached normalization, needed for the overloaded BCIntegrate::GetIntegral.

std::vector< double >	fCachedNormalizationVector
	A vector of cached parameters, one for each permutation. More...

Member functions (Set)
enum	Parameters { parBhad1E, parBhad2E, parLQ1E, parLQ2E, parLQ3E, parLQ4E, parTopM }
	Enumerator for the parameters.

int	SetET_miss_XY_SumET (double, double, double) override
	Set the values for the missing ET x and y components and the SumET. More...

void	RequestResolutionFunctions () override
	Request the necessary resolution functions from the detector.

void	SetFlagTopMassFixed (bool flag)
	Set a flag. More...

void	SetFlagGetParSigmasFromTFs (bool flag)

Additional Inherited Members
Public Types inherited from KLFitter::LikelihoodBase
enum	BtaggingMethod { kNotag, kVeto, kVetoNoFit, kVetoNoFitLight, kVetoNoFitBoth, kVetoHybridNoFit, kWorkingPoint, kVetoLight, kVetoBoth }
	Enumerate for b-tagging possibilities.

Detailed Description

A class implementing a likelihood for the ttbar allhadronic channel.

This class represents a likelihood for the ttbar allhadronic channel.

Member Function Documentation

int KLFitter::LikelihoodTopAllHadronic::BuildModelParticles ( )

overrideprotectedvirtual

Remove forbidden particle permutations - forcing b-jets on the position of a b parton.

Returns: An error code. Build the model particles from the best fit parameters.; An error code.

Implements KLFitter::LikelihoodBase.

int KLFitter::LikelihoodTopAllHadronic::CalculateLorentzVectors ( std::vector< double > const & parameters )

overrideprotectedvirtual

Update 4-vectors of model particles.

Returns: An error flag.

Implements KLFitter::LikelihoodBase.

int KLFitter::LikelihoodTopAllHadronic::DefineModelParticles ( )

overrideprotectedvirtual

Define the model particles.

Returns: An error code.

Implements KLFitter::LikelihoodBase.

std::vector< double > KLFitter::LikelihoodTopAllHadronic::GetInitialParameters ( )

overridevirtual

Get initial values for the parameters.

Returns: vector of initial values.

Implements KLFitter::LikelihoodBase.

double KLFitter::LikelihoodTopAllHadronic::LogLikelihood ( const std::vector< double > & parameters )

overridevirtual

The posterior probability definition, overloaded from BCModel.

Parameters

parameters A vector of parameters (double values).

Returns: The logarithm of the prior probability.

Implements KLFitter::LikelihoodBase.

std::vector< double > KLFitter::LikelihoodTopAllHadronic::LogLikelihoodComponents ( std::vector< double > parameters )

overridevirtual

The posterior probability definition, overloaded from BCModel.

Split up into several subcomponents

Parameters

parameters A vector of parameters (double values).

Returns: A vector with the components of the logarithm of the prior probability. Its components are: 0: TF_bhad1 1: TF_bhad2 2: TF_lq1 3: TF_lq2 4: TF_lq3 5: TF_lq4 6: BW_Whad1 7: BW_Whad2 8: BW_Thad1 9: BW_Thad2

Implements KLFitter::LikelihoodBase.

int KLFitter::LikelihoodTopAllHadronic::RemoveInvariantParticlePermutations ( )

overrideprotectedvirtual

Remove invariant particle permutations.

Returns: An error code.

Implements KLFitter::LikelihoodBase.

int KLFitter::LikelihoodTopAllHadronic::SetET_miss_XY_SumET	(	double	,
		double	,
		double
	)

inlineoverridevirtual

Set the values for the missing ET x and y components and the SumET.

Reimplemented with dummy implementation to overwrite purely virtual function in base class.

Returns: An error flag.

Implements KLFitter::LikelihoodBase.

void KLFitter::LikelihoodTopAllHadronic::SetFlagTopMassFixed ( bool flag )

inline

Set a flag.

If flag is true the invariant top quark mass is fixed to the pole mass.

Parameters

flag The flag.

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

include/KLFitter/LikelihoodTopAllHadronic.h
src/LikelihoodTopAllHadronic.cxx

Public Member Functions

Protected Member Functions

Protected Attributes

Member functions (Set)

Additional Inherited Members

Detailed Description

Member Function Documentation