#include <HISubCollisionModel.h>

Inheritance diagram for LogNormalSubCollisionModel:

Public Member Functions
	LogNormalSubCollisionModel (int modeIn=0)
	The default constructor simply lists the nucleon-nucleon cross sections.

virtual	~LogNormalSubCollisionModel ()
	Virtual destructor.

vector< double >	minParm () const override
	virtual SigEst getSig() const override; More...

vector< double >	defParm () const override
	Get the default parameter values for this model.

vector< double >	maxParm () const override
	Get the maximum allowed parameter values for this model.

Public Member Functions inherited from FluctuatingSubCollisionModel
	FluctuatingSubCollisionModel (int nParmIn, int modein)
	The default constructor simply lists the nucleon-nucleon cross sections.

virtual	~FluctuatingSubCollisionModel () override
	Virtual destructor.

virtual bool	init (int idAIn, int idBIn, double eCMIn) override
	Virtual init method. More...

virtual void	generateNucleonStates (Nucleus &proj, Nucleus &targ) override
	Generate radii for all nucleons. More...

virtual SubCollisionSet	getCollisions (Nucleus &proj, Nucleus &targ) override
	Main function returning the possible sub-collisions. More...

SubCollisionSet	getCollisionsNew (Nucleus &proj, Nucleus &targ)

vector< double >	getCollTypeProbs (const vector< double > &T) const
	Helper function. More...

virtual SigEst	getSig () const override
	Calculate the cross sections for the given set of parameters. More...

Public Member Functions inherited from SubCollisionModel
	SubCollisionModel (int nParm)

virtual	~SubCollisionModel ()
	Virtual destructor.

void	initPtr (NucleusModel &projIn, NucleusModel &targIn, SigmaTotal &sigTotIn, Settings &settingsIn, Info &infoIn, Rndm &rndmIn)
	Initialize the pointers.

void	initLowEnergy (SigmaCombined *sigmaCombPtrIn)
	Initialize low energy treatment.

bool	hasXSec () const

double	sigTot () const
	The target total nucleon-nucleon cross section. More...

double	sigEl () const
	The target elastic cross section.

double	sigCDE () const
	The target central diffractive excitation cross section.

double	sigSDE () const
	The target single diffractive excitation cross section (both sides).

double	sigSDEP () const
	The target single diffractive excitation cross section (projectile).

double	sigSDET () const
	The target single diffractive excitation cross section (target).

double	sigDDE () const
	The target double diffractive excitation cross section.

double	sigND () const
	The target non-diffractive (absorptive) cross section.

double	sigLow () const
	The Low-energy cross sections.

double	sigLExc () const
	The Low-energy excitation cross section (code 157).

double	sigLAnn () const
	The Low-energy annihilation cross section (code 158).

double	sigLRes () const
	The Low-energy resonant cross section (code 159).

double	bSlope () const
	The target elastic b-slope parameter.

double	avNDB () const
	Return the average non-diffractive impact parameter.

void	updateSig (int idAIn, int idBIn, double eCMIn)
	Update internally stored cross sections. More...

double	Chi2 (const SigEst &sigs, int npar) const
	Calculate the Chi2 for the given cross section estimates. More...

bool	setKinematics (double eCMIn)
	Set beam kinematics. More...

bool	setIDA (int idA)
	Set projectile particle.

bool	evolve (int nGenerations, double eCM, int idANow)
	Use a genetic algorithm to fit the parameters. More...

int	nParms () const
	Get the number of free parameters for the model.

void	setParm (const vector< double > &parmIn)
	Set the parameters of this model.

vector< double >	getParm () const
	Get the current parameters of this model.

Protected Member Functions
double	pickRadiusProj () const override
	Pick a radius for the nucleon, depending on the specific model.

double	pickRadiusTarg () const override

Additional Inherited Members
Static Public Member Functions inherited from SubCollisionModel
static shared_ptr< SubCollisionModel >	create (int model)
	Create a new SubCollisionModel of the given model. More...

Protected Attributes inherited from FluctuatingSubCollisionModel
int	opacityMode
	Optional mode for opacity.

Protected Attributes inherited from SubCollisionModel
vector< double >	sigTarg

vector< double >	sigErr

vector< vector< double > >	sigTargNN

vector< double >	parmSave
	Saved parameters.

int	NInt

int	NPop

double	sigFuzz

double	impactFudge

bool	fitPrint

double	eCMlow

double	avNDb

double	avNDolap

NucleusModel *	projPtr = {}
	Info from the controlling HeavyIons object.

NucleusModel *	targPtr = {}

SigmaTotal *	sigTotPtr = {}

SigmaCombined *	sigCmbPtr = {}

Settings *	settingsPtr = {}

Info *	infoPtr = {}

Rndm *	rndmPtr = {}

Logger *	loggerPtr = {}

ParticleData *	particleDataPtr = {}

int	idASave
	For variable energies.

int	idBSave

bool	doVarECM

bool	doVarBeams

double	eMin

double	eMax

double	eSave

int	eCMPts

vector< int >	idAList
	The list of particles that have been fitted.

vector< LogInterpolator > *	subCollParmsPtr

map< int, vector< LogInterpolator > >	subCollParmsMap
	Mapping id -> interpolator, one entry for each particle.

int	elasticMode

double	elasticFudge

SigmaCache	lowEnergyCache

Detailed Description

A sub-collision model where each nucleon fluctuates independently according to a log-normal distribution. Nucleons in the projectile and target may fluctuate according to different parameters, which is relevant e.g. for hadron-ion collisions with generic hadron species.

Member Function Documentation

vector<double> minParm ( ) const

inlineoverridevirtual

virtual SigEst getSig() const override;

Get the minimum and maximum allowed parameter values for this model.

Implements SubCollisionModel.

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

include/Pythia8/HISubCollisionModel.h

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation