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

#include <MomentumDistribution.h>

Inheritance diagram for thermalfist::SSHDistribution:

Public Member Functions
	SSHDistribution (int pdgid=0, double mass=0., double T=0.100, double betas=0.5, double etamax=0.5, double npow=1., bool norm=false)

virtual	~SSHDistribution ()

void	SetParameters (double T, double betas, double etamax, double npow, double mass, int pdgid=0, bool norm=true)
	Set the parameters of the longitudinal blast-wave distribution. More...

void	SetMeanBetaT (double betaT)
	Set the mean transverse flow velocity. More...

void	Normalize ()
	Normalizes the momentum distribution to unity. More...

virtual double	dndy (double y, double pt) const
	Rapidity distribution at fixed pT. More...

virtual double	dndysingle (double y, double pt) const
	Rapidity distribution of a single fireball at fixed pT. More...

virtual double	dndpt (double pt) const
	The pT distribution function. More...

virtual double	dndp (double) const
	Distribution density over the absolute value of the 3-momentum. More...

virtual double	dndy (double y) const
	Distribution density over the longitudinal rapidity. More...

virtual double	dnmtdmt (double mt) const
	Transverse mass distribution. More...

virtual double	d2ndptdy (double pt, double y) const
	2D distribution density in rapidity and transverse momentum More...

Public Member Functions inherited from thermalfist::MomentumDistributionBase
	MomentumDistributionBase (int pdgid=0, double mass=0.)

virtual	~MomentumDistributionBase ()
	Destructor. More...

bool	isNormalized () const
	Whether the distribution has been normalized to unity. More...

void	SetAcceptance (Acceptance::AcceptanceFunction *acc_, double ycm_=0.)

Additional Inherited Members
Protected Attributes inherited from thermalfist::MomentumDistributionBase
int	m_PDGID
	PDG code of a particle. More...

double	m_Mass
	Mass of a particle. More...

bool	m_Normalized
	Whether the distribution has been normalized to unity. More...

Acceptance::AcceptanceFunction *	m_acc
	Pointer to acceptance function. More...

double	m_ycm
	Center-of-mass rapidity for the acceptance function. More...

bool	m_useacc
	Whether the acceptance functions are used. More...

Detailed Description

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

Superseded by BoostInvariantMomentumDistribution class

Reference: E. Schnedermann, J. Sollfrank, U. Heinz, Phys. Rev. C 48, 2462 (1993)

Definition at line 247 of file MomentumDistribution.h.

Constructor & Destructor Documentation

thermalfist::SSHDistribution::SSHDistribution	(	int	pdgid = `0`,
		double	mass = `0.`,
		double	T = `0.100`,
		double	betas = `0.5`,
		double	etamax = `0.5`,
		double	npow = `1.`,
		bool	norm = `false`
	)

inline

Parameters

pdgid	PDG code of particle
mass	Mass of particle (in GeV)
T	The kinetic temperature (in GeV)
beta	The transverse flow velocity at the surface
etamax	The longitudinal space-time rapidity cut-off
npow	The power in the transverse flow profile function
norm	Whether the momentum distribution should be normalized to unity

Definition at line 257 of file MomentumDistribution.h.

virtual thermalfist::SSHDistribution::~SSHDistribution ( )

inlinevirtual

Definition at line 267 of file MomentumDistribution.h.

Member Function Documentation

double thermalfist::SSHDistribution::d2ndptdy	(	double	pt,
		double	y
	)		const

virtual

2D distribution density in rapidity and transverse momentum

Implements thermalfist::MomentumDistributionBase.

Definition at line 525 of file MomentumDistribution.cpp.

virtual double thermalfist::SSHDistribution::dndp ( double p ) const

inlinevirtual

Distribution density over the absolute value of the 3-momentum.

Implements thermalfist::MomentumDistributionBase.

Definition at line 317 of file MomentumDistribution.h.

double thermalfist::SSHDistribution::dndpt ( double pt ) const

virtual

The pT distribution function.

Definition at line 428 of file MomentumDistribution.cpp.

double thermalfist::SSHDistribution::dndy	(	double	y,
		double	pt
	)		const

virtual

Rapidity distribution at fixed pT.

Definition at line 400 of file MomentumDistribution.cpp.

double thermalfist::SSHDistribution::dndy ( double y ) const

virtual

Distribution density over the longitudinal rapidity.

Implements thermalfist::MomentumDistributionBase.

Definition at line 378 of file MomentumDistribution.cpp.

double thermalfist::SSHDistribution::dndysingle	(	double	y,
		double	pt
	)		const

virtual

Rapidity distribution of a single fireball at fixed pT.

Definition at line 415 of file MomentumDistribution.cpp.

double thermalfist::SSHDistribution::dnmtdmt ( double mt ) const

virtual

Transverse mass distribution.

Implements thermalfist::MomentumDistributionBase.

Definition at line 389 of file MomentumDistribution.cpp.

void thermalfist::SSHDistribution::Normalize ( )

virtual

Normalizes the momentum distribution to unity.

Implements thermalfist::MomentumDistributionBase.

Definition at line 323 of file MomentumDistribution.cpp.

void thermalfist::SSHDistribution::SetMeanBetaT ( double betaT )

inline

Set the mean transverse flow velocity.

Surface velocity is calculated as \beta_s = \langle \beta_T \rangle (2+n)/2

Parameters

betaT The mean transverse flow velocity

Definition at line 300 of file MomentumDistribution.h.

void thermalfist::SSHDistribution::SetParameters	(	double	T,
		double	betas,
		double	etamax,
		double	npow,
		double	mass,
		int	pdgid = `0`,
		bool	norm = `true`
	)

inline

Set the parameters of the longitudinal blast-wave distribution.

Parameters

T	The kinetic temperature (in GeV)
betas	The transverse flow velocity at the surface
etamax	The longitudinal space-time rapidity cut-off
npow	The power in the transverse flow profile function
mass	Particle mass (in GeV)
pdgid	Particle PDG code
norm	Whether the momentum distribution should be normalized to unity

Definition at line 280 of file MomentumDistribution.h.

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

include/HRGEventGenerator/MomentumDistribution.h
src/library/HRGEventGenerator/MomentumDistribution.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation