The main namespace where all classes and functions of the Thermal-FIST library reside. More...

Namespaces
namespace	Acceptance
	Routines used for modeling the acceptance effects.

namespace	CuteHRGHelper
	Contains several helper routines.

namespace	DecayLifetimes
	Contains decay lifetimes needed for propagation in Monte Carlo.

namespace	ExtraParticles
	Contains properties of non-QCD particles such as photons and leptons.

namespace	IdealGasFunctions
	Contains implementation of the thermodynamic functions corresponding to an ideal gas of particles in the grand-canonical ensemble.

namespace	NumericalIntegration
	Contains various Gauss-Legendre and Gauss-Laguerre quadratures used in numerical integrations.

namespace	ParticleDecaysMC
	Contains functions for Monte Carlo generation of decays.

namespace	RandomGenerators
	Contains random generator functions used in the Monte Carlo Thermal Event Generator.

namespace	xMath

Classes
class	BilinearSplineFunction
	A class implementing a bilinear spline. More...

class	BoostInvariantFreezeoutParametrization
	Base class implementing a longitudinally boost-invariant azimuthally symmetric freeze-out parametrization. More...

class	BoostInvariantHypersurfaceEventGenerator
	Class implementing the Thermal Event Generator for the boost-invariant (2+1)-d hydro hypersurface. More...

class	BoostInvariantMomentumDistribution
	Class implementing the momentum distribution of boost-invariant, azimuthally symmetric freeze-out models using Maxwell-Boltzmann statistics. More...

class	Broyden
	Class implementing the Broyden method to solve a system of non-linear equations. More...

class	BroydenEquations
	Abstract class which defines the system of non-linear equations to be solved by the Broyden's method. More...

class	BroydenJacobian
	Class which implements calculation of the Jacobian needed for the Broyden's method. More...

struct	ConservedCharge
	An auxiliary struct containing the list of conserved charges. More...

class	CosmicEoS
	Class implementing cosmological equation of state as a mixture of HRG model, ideal gases of leptons and photons. More...

class	CracowFreezeoutEventGenerator
	Class implementing the Thermal Event Generator for the Cracow freeze-out model scenario. More...

class	CracowFreezeoutParametrization
	Implements the Cracow (Hubble-like) freeze-out model parametrization. More...

class	CylindricalBlastWaveEventGenerator
	Class implementing the Thermal Event Generator for the longitudinally symmetric blast-wave scenario. More...

class	CylindricalBlastWaveParametrization
	Implements the cylindrically symmetric blast-wave model parametrization. More...

class	Disclaimer

class	EffectiveMassModel
	Class implementing an effective mass model for single particle species. More...

class	EMMFieldPressure
	Base class implementing field pressure contribution function in the effective mass model. Default is linear scalar interaction, as in https://arxiv.org/abs/2004.09004 [Eq. (26)]. More...

class	EMMFieldPressureChPT
	Effective mass model matched to chiral perturbation theory for pions at T = 0. See supplemental material section I in https://arxiv.org/abs/2009.02309. More...

class	EventGeneratorBase
	Base class for generating events with the Thermal Event Generator. More...

struct	EventGeneratorConfiguration
	Structure containing the thermal event generator configuration. More...

class	EventWriter
	Base event writer class outputting the list of particle's four-momenta in a simple ascii format. More...

class	EventWriterAsciiExtended
	Event writer class outputting the list of particles with options to include more information. More...

class	EventWriterForSmash
	Event writer class outputting the list of particles suitable for SMASH afterburner. More...

class	EventWriterForUrqmd
	Event writer class outputting the list of particles suitable for UrQMD afterburner from https://github.com/jbernhard/urqmd-afterburner. More...

struct	EVSolution

class	ExcludedVolumeModelBase
	Base class implementing the ideal gas. More...

class	ExcludedVolumeModelComponents
	Implementation of an excluded volume model with components. More...

class	ExcludedVolumeModelCrosstermsGeneralized
	Implementation of a crossterms generalized excluded volume model. More...

class	ExcludedVolumeModelCrosstermsVDW
	Implementation of the crossterms van der Waals excluded volume model. More...

class	ExcludedVolumeModelCS
	Class implementing auxiliary functions for the Carnahan-Starling excluded volume model. More...

class	ExcludedVolumeModelDiagonalGeneralized
	Implementation of a diagonal generalized excluded volume model. More...

class	ExcludedVolumeModelDiagonalVDW
	Implementation of the diagonal van der Waals excluded volume model. More...

class	ExcludedVolumeModelMultiBase
	Base class for multi-component excluded volume models. More...

class	ExcludedVolumeModelTVM
	Class implementing auxiliary functions for the VDW excluded volume model truncated at n^3. This corresponds to the trivial model (TVM) from https://arxiv.org/abs/1909.02276. More...

class	ExcludedVolumeModelVDW
	Class implementing auxiliary functions for the van der Waals excluded volume model. More...

class	ExcludedVolumeModelVirial
	Class implementing auxiliary functions for the VDW excluded volume model truncated at n^2. More...

struct	ExperimentMultiplicity
	Structure containing the experimental yield (multiplicity) to be fitted. More...

struct	ExperimentRatio
	Structure containing the experimental ratio of yields to be fitted. More...

struct	Feeddown
	An auxiliary struct containing the list of feeddown flags. More...

struct	FitParameter
	Structure for an arbitrary fit parameter. More...

struct	FittedQuantity
	Structure describing the measurement to be fitted or compared to model. More...

class	GeneralizedDensity
	Implements the possibility of a generalized calculation of the densities. For example, effective mass model. Abstract class. More...

class	HepMCEventWriter
	Writes the events in the HepMC::Asciiv3 format, see https://gitlab.cern.ch/hepmc/HepMC3. More...

class	HypersurfaceEventGenerator

class	HypersurfaceEventGeneratorEVHRG

struct	LeptonFlavor
	An auxiliary struct containing the list of conserved lepton flavor charges. More...

class	MeanFieldModelBase
	Base class implementing the ideal gas (no mean field). More...

class	MeanFieldModelChargeDensityDependent
	Implementation of a charge density dependent mean field model. More...

class	MeanFieldModelClausius
	Class implementing auxiliary functions for the Clausius mean-field model. More...

class	MeanFieldModelComponents
	Implementation of a mean field model with components. More...

class	MeanFieldModelMultiBase
	Base class for multi-component mean field models. More...

class	MeanFieldModelMultiVDW
	Implementation of the van der Waals mean field model for multiple components. More...

class	MeanFieldModelSkyrme
	Class implementing auxiliary functions for the Skyrme mean-field model. More...

class	MeanFieldModelVDF
	Class implementing auxiliary functions for the vector density functional (VDF) model. More...

class	MeanFieldModelVDW
	Class implementing auxiliary functions for the linear (van der Waals) mean-field model. More...

class	MomentumDistributionBase
	Class implementing the primordial 3-momentum distribution function of certain particle species. More...

struct	ParticleDecayChannel
	Structure containing information about a single decay channel of a particle. More...

struct	ParticleDecayType
	An auxiliary struct containing the list of decay types. More...

struct	ParticlizationHypersurfaceElement

struct	QuantumNumbers
	Struct containing a set of quantum numbers: Baryon number, electric charge, strangeness, and charm. More...

class	SiemensRasmussenDistribution
	Class implementing the momentum distribution in the spherically symmetric Blast-Wave model of Siemens and Rasmussen. More...

struct	SimpleEvent
	Structure holding information about a single event in the event generator. More...

struct	SimpleParticle
	Structure holding information about a single particle in the event generator. More...

class	SphericalBlastWaveEventGenerator
	Class implementing the Thermal Event Generator for the isotropic blast-wave scenario. More...

class	SplineFunction
	Class implementing a simple linear spline. More...

class	SSHDistribution
	Class implementing the momentum distribution in the longitudinally symmetric Blast-Wave model. More...

class	ThermalModelBase
	Abstract base class for an HRG model implementation. More...

class	ThermalModelCanonical
	Class implementing the ideal HRG model in the canonical ensemble. More...

class	ThermalModelCanonicalCharm
	Class implementing the ideal HRG model with exact conservation of charm (charm-canonical ensemble). More...

class	ThermalModelCanonicalStrangeness
	Class implementing the ideal HRG model with exact conservation of strangeness (strangeness-canonical ensemble). More...

class	ThermalModelEVCanonicalStrangeness
	Class implementing the diagonal excluded-volume model in the strangeness-canonical ensemble. More...

class	ThermalModelEVCrossterms
	Class implementing the crossterms excluded-volume model. More...

class	ThermalModelEVCrosstermsLegacy
	Class implementing the crossterms excluded-volume model. More...

class	ThermalModelEVDiagonal
	Class implementing the diagonal excluded-volume model. More...

class	ThermalModelFit
	Class implementing the thermal model fit procedure. More...

struct	ThermalModelFitParameters
	Structure holding information about parameters of a thermal fit. More...

struct	ThermalModelFitParametersExtended
	Extended structure for calculating uncertainties in non-fit quantities resulting from uncertanties in fit parameters. More...

class	ThermalModelIdeal
	Class implementing the Ideal HRG model. More...

struct	ThermalModelParameters
	Structure containing all thermal parameters of the model. More...

class	ThermalModelPCE
	Class implementing HRG in partial chemical equilibrium. More...

class	ThermalModelPCEAnnihilation
	Class implementing HRG in partial chemical equilibrium with baryon annihilation. More...

class	ThermalModelRealGas
	Class implementing the quantum real gas HRG model. More...

class	ThermalModelVDW
	Class implementing the quantum van der Waals HRG model. More...

class	ThermalModelVDWCanonicalStrangeness
	Class implementing the quantum van der Waals model in the strangeness-canonical ensemble. More...

class	ThermalParticle
	Class containing all information about a particle specie. More...

class	ThermalParticleSystem
	Class containing the particle list. More...

Typedefs
typedef CylindricalBlastWaveEventGenerator	SSHEventGenerator
	For backward compatibility.

typedef std::vector< ParticlizationHypersurfaceElement >	ParticlizationHypersurface

typedef SphericalBlastWaveEventGenerator	SiemensRasmussenEventGenerator
	For backward compatibility.

typedef ThermalModelVDW	ThermalModelVDWFull
	For backward compatibility.

Functions
double	IsospinCharge (const ThermalParticle &part)
	Calculates the isospin charge of a particle.

std::map< std::vector< int >, double >	ComputeBQSSusceptibilities (ThermalModelBase *model, int order=4, double dmuTnum=0.001)

std::map< std::vector< int >, double >	ComputeBQSSusceptibilitiesDerivativeT (ThermalModelBase *model, int order=4, double dmuTnum=0.001)

long long	stringToLongLong (const std::string &str)

double	get_wall_time ()

double	get_cpu_time ()

std::vector< std::vector< double > >	GetBaryonBaryonInteractionMatrix (const ThermalParticleSystem *TPS, double param)
	Returns the matrix of attraction and repulsion parameters for baryon-baryon and antibaryon-antibaryon pairs.

void	SetEVHRGInteractionParameters (ThermalModelBase *model, double b)
	Sets EV interactions for baryon-baryon and antibaryon-antibaryon pairs as in https://arxiv.org/abs/1708.02852.

template<typename T>
std::string	to_string_fix (T value)
	Converts a value to a string.

std::vector< double >	LorentzBoost (const std::vector< double > &fourvector, double vx, double vy, double vz)
	Performs a Lorentz boost on a four-vector.

void	SetVDWHRGInteractionParameters (ThermalModelBase *model, double a, double b)
	Sets vdW interactions for baryon-baryon and antibaryon-antibaryon pairs as in https://arxiv.org/abs/1609.03975.

void	SetVDWHRGInteractionParameters (ThermalModelBase *model, const std::vector< std::vector< double > > &a, const std::vector< std::vector< double > > &b)
	Sets vdW interactions based on the provided matrices of attraction and repulsion parameters.

MatrixXd	GetSusceptibilityMatrix (ThermalModelBase *model, const vector< int > &ConservedDensities)

MatrixXd	GetPressureHessianMatrix (ThermalModelBase *model, const vector< int > &ConservedDensities)

long long	stringToLongLong (const string &str)

void	fillBoostMatrix (double vx, double vy, double vz, double boostMatrix[4][4])

int	index44 (const int &i, const int &j)

Detailed Description

The main namespace where all classes and functions of the Thermal-FIST library reside.

It may therefore be convenient to include the

using namespace thermalfist;

thermalfist

The main namespace where all classes and functions of the Thermal-FIST library reside.

Definition CosmicEoS.h:9

directive in a C++ script which uses the library.

Typedef Documentation

◆ ParticlizationHypersurface

typedef std::vector<ParticlizationHypersurfaceElement> thermalfist::ParticlizationHypersurface

Definition at line 31 of file HypersurfaceSampler.h.

◆ SiemensRasmussenEventGenerator

typedef SphericalBlastWaveEventGenerator thermalfist::SiemensRasmussenEventGenerator

For backward compatibility.

Definition at line 67 of file SphericalBlastWaveEventGenerator.h.

◆ SSHEventGenerator

typedef CylindricalBlastWaveEventGenerator thermalfist::SSHEventGenerator

For backward compatibility.

Definition at line 89 of file CylindricalBlastWaveEventGenerator.h.

◆ ThermalModelVDWFull

typedef ThermalModelVDW thermalfist::ThermalModelVDWFull

For backward compatibility.

Definition at line 346 of file ThermalModelVDW.h.

Function Documentation

◆ ComputeBQSSusceptibilities()

std::map< std::vector< int >, double > thermalfist::ComputeBQSSusceptibilities	(	ThermalModelBase *	model,
		int	order = 4,
		double	dmuTnum = 0.001 )

Calculates mixed susceptibilities of Baryon (B), Charge (Q), and Strangeness (S) charges for the given model up to the given order (fourth-order max) The susceptibilities of third and fourth order are calculated using the central finite difference method with step size dmuTnum

Definition at line 30 of file Susceptibilities.cpp.

◆ ComputeBQSSusceptibilitiesDerivativeT()

std::map< std::vector< int >, double > thermalfist::ComputeBQSSusceptibilitiesDerivativeT	(	ThermalModelBase *	model,
		int	order = 4,
		double	dmuTnum = 0.001 )

Calculates temperature derivatives of the mixed susceptibilities of Baryon (B), Charge (Q), and Strangeness (S) charges for the given model up to the given order (fourth-order max) The susceptibilities of third and fourth order are calculated using the central finite difference method with step size dmuTnum

Definition at line 142 of file Susceptibilities.cpp.

◆ fillBoostMatrix()

void thermalfist::fillBoostMatrix	(	double	vx,
		double	vy,
		double	vz,
		double	boostMatrix[4][4] )

Definition at line 534 of file HypersurfaceSampler.cpp.

◆ get_cpu_time()

double thermalfist::get_cpu_time ( )

Definition at line 199 of file Utility.cpp.

◆ get_wall_time()

double thermalfist::get_wall_time ( )

Definition at line 191 of file Utility.cpp.

◆ GetBaryonBaryonInteractionMatrix()

std::vector< std::vector< double > > thermalfist::GetBaryonBaryonInteractionMatrix	(	const ThermalParticleSystem *	TPS,
		double	param )

Returns the matrix of attraction and repulsion parameters for baryon-baryon and antibaryon-antibaryon pairs.

Parameters

model	Pointer to the thermal model object
param	Interaction parameter

Definition at line 45 of file ExcludedVolumeHelper.cpp.

◆ GetPressureHessianMatrix()

MatrixXd thermalfist::GetPressureHessianMatrix	(	ThermalModelBase *	model,
		const vector< int > &	ConservedDensities )

Definition at line 2176 of file ThermalModelBase.cpp.

◆ GetSusceptibilityMatrix()

MatrixXd thermalfist::GetSusceptibilityMatrix	(	ThermalModelBase *	model,
		const vector< int > &	ConservedDensities )

Definition at line 2145 of file ThermalModelBase.cpp.

◆ index44()

int thermalfist::index44	(	const int &	i,
		const int &	j )

Definition at line 558 of file HypersurfaceSampler.cpp.

◆ IsospinCharge()

double thermalfist::IsospinCharge ( const ThermalParticle & part )

Calculates the isospin charge of a particle.

Isospin = (u - d) / 2, e.g. I_pi = 1,0,-1 Using https://en.wikipedia.org/wiki/Gell-Mann%E2%80%93Nishijima_formula

Parameters

part	The particle for which to calculate the isospin charge

Returns: double The isospin charge value

Definition at line 461 of file CosmicEoS.cpp.

◆ LorentzBoost()

std::vector< double > thermalfist::LorentzBoost	(	const std::vector< double > &	fourvector,
		double	vx,
		double	vy,
		double	vz )

Performs a Lorentz boost on a four-vector.

Parameters

fourvector	The four-vector to boost (E, px, py, pz)
vx	The x-component of the boost velocity (in units of c)
vy	The y-component of the boost velocity (in units of c)
vz	The z-component of the boost velocity (in units of c)

Returns: std::vector<double> The boosted four-vector

Definition at line 32 of file EventGeneratorBase.cpp.

◆ SetEVHRGInteractionParameters()

void thermalfist::SetEVHRGInteractionParameters	(	ThermalModelBase *	model,
		double	b )

Sets EV interactions for baryon-baryon and antibaryon-antibaryon pairs as in https://arxiv.org/abs/1708.02852.

Parameters

model	Pointer to the thermal model object
b	Repulsion parameter in fm^3

Definition at line 97 of file ThermalModelEVCrossterms.cpp.

◆ SetVDWHRGInteractionParameters() [1/2]

void thermalfist::SetVDWHRGInteractionParameters	(	ThermalModelBase *	model,
		const std::vector< std::vector< double > > &	a,
		const std::vector< std::vector< double > > &	b )

Sets vdW interactions based on the provided matrices of attraction and repulsion parameters.

Parameters

model	Pointer to the thermal model object
a	Attraction parameter in GeV*fm^3
b	Repulsion parameter in fm^3

◆ SetVDWHRGInteractionParameters() [2/2]

void thermalfist::SetVDWHRGInteractionParameters	(	ThermalModelBase *	model,
		double	a,
		double	b )

Sets vdW interactions for baryon-baryon and antibaryon-antibaryon pairs as in https://arxiv.org/abs/1609.03975.

Parameters

model	Pointer to the thermal model object
a	Attraction parameter in GeV*fm^3
b	Repulsion parameter in fm^3

Definition at line 1368 of file ThermalModelVDW.cpp.

◆ stringToLongLong() [1/2]

long long thermalfist::stringToLongLong ( const std::string & str )

◆ stringToLongLong() [2/2]

long long thermalfist::stringToLongLong ( const string & str )

Definition at line 143 of file Utility.cpp.

◆ to_string_fix()

template<typename T>

std::string thermalfist::to_string_fix ( T value )

Converts a value to a string.

Template Parameters

T	Type of the value to convert

Parameters

value The value to convert to a string

Returns: std::string The string representation of the value

Definition at line 30 of file EventGeneratorBase.h.

Namespaces

Classes

Typedefs

Functions

Detailed Description

Typedef Documentation

◆ ParticlizationHypersurface

◆ SiemensRasmussenEventGenerator

◆ SSHEventGenerator

◆ ThermalModelVDWFull

Function Documentation

◆ ComputeBQSSusceptibilities()

◆ ComputeBQSSusceptibilitiesDerivativeT()

◆ fillBoostMatrix()

◆ get_cpu_time()

◆ get_wall_time()

◆ GetBaryonBaryonInteractionMatrix()

◆ GetPressureHessianMatrix()

◆ GetSusceptibilityMatrix()

◆ index44()

◆ IsospinCharge()

◆ LorentzBoost()

◆ SetEVHRGInteractionParameters()

◆ SetVDWHRGInteractionParameters() [1/2]

◆ SetVDWHRGInteractionParameters() [2/2]

◆ stringToLongLong() [1/2]

◆ stringToLongLong() [2/2]

◆ to_string_fix()