PhysicsBase Class Reference

#include <PhysicsBase.h>

Inheritance diagram for PhysicsBase:

Public Types
enum	Status {   INCOMPLETE = -1, COMPLETE = 0, CONSTRUCTOR_FAILED, INIT_FAILED,   LHEF_END, LOWENERGY_FAILED, PROCESSLEVEL_FAILED, PROCESSLEVEL_USERVETO,   MERGING_FAILED, PARTONLEVEL_FAILED, PARTONLEVEL_USERVETO, HADRONLEVEL_FAILED,   CHECK_FAILED, OTHER_UNPHYSICAL, HEAVYION_FAILED, HADRONLEVEL_USERVETO }
	Enumerate the different status codes the event generation can have.

Public Member Functions
void	initInfoPtr (Info &infoPtrIn)
	This function is called from above for physics objects used in a run. More...
virtual	~PhysicsBase ()
	Empty virtual destructor.
bool	flag (string key) const
	Shorthand to read settings values.
int	mode (string key) const
double	parm (string key) const
string	word (string key) const
vector< bool >	fvec (string key) const
vector< int >	mvec (string key) const
vector< double >	pvec (string key) const
vector< string >	wvec (string key) const

Protected Member Functions
	PhysicsBase ()
	Default constructor.
virtual void	onInitInfoPtr ()
virtual void	onBeginEvent ()
	This function is called in the very beginning of each Pythia::next call.
virtual void	onEndEvent (Status)
virtual void	onStat ()
	This function is called from the Pythia::stat() call.
void	registerSubObject (PhysicsBase &pb)
	Register a sub object that should have its information in sync with this.

Protected Attributes
Info *	infoPtr = {}
Settings *	settingsPtr = {}
	Pointer to the settings database.
ParticleData *	particleDataPtr = {}
	Pointer to the particle data table.
Logger *	loggerPtr = {}
	Pointer to logger.
HadronWidths *	hadronWidthsPtr = {}
	Pointer to the hadron widths data table.
Rndm *	rndmPtr = {}
	Pointer to the random number generator.
CoupSM *	coupSMPtr = {}
	Pointers to SM and SUSY couplings.
CoupSUSY *	coupSUSYPtr = {}
BeamSetup *	beamSetupPtr = {}
BeamParticle *	beamAPtr = {}
BeamParticle *	beamBPtr = {}
BeamParticle *	beamPomAPtr = {}
BeamParticle *	beamPomBPtr = {}
BeamParticle *	beamGamAPtr = {}
BeamParticle *	beamGamBPtr = {}
BeamParticle *	beamVMDAPtr = {}
BeamParticle *	beamVMDBPtr = {}
PartonSystems *	partonSystemsPtr = {}
	Pointer to information on subcollision parton locations.
SigmaTotal *	sigmaTotPtr = {}
	Pointers to the total/elastic/diffractive cross sections.
SigmaCombined *	sigmaCmbPtr = {}
set< PhysicsBase * >	subObjects
UserHooksPtr	userHooksPtr

Friends
class	Pythia

Detailed Description

Classes that implement physics models should inherit from the PhysicsBase class. It includes pointers to objects set up in the controlling Pythia object to take care of bookkeeping and simpler service tasks.

Member Function Documentation

void initInfoPtr

(

Info &

infoIn

)

This function is called from above for physics objects used in a run.

The PhysicsBase class.

Make available an assortment of pointers stored in the info object.

Store the info object.

Other objects extracted from Info.

If the class has sub objects, register them now.

virtual void onEndEvent ( Status  )

inlineprotectedvirtual

This function is called in the very end of each Pythia::next call with the argument set to the current status of the event.

Reimplemented in Dire.

virtual void onInitInfoPtr ( )

inlineprotectedvirtual

If an object needs to set up infoPtr for sub objects, override this and call registerSubObject for each object in question.

Reimplemented in FlavourRope, Angantyr, UserHooks, BeamSetup, HiddenValleyFragmentation, PartonLevel, HadronLevel, ParticleDecays, ProcessLevel, BeamRemnants, and JunctionSplitting.

Member Data Documentation

BeamSetup* beamSetupPtr = {}

protected

Pointers to the two incoming beams and to Pomeron, photon or VMD beam-inside-beam cases.

Info* infoPtr = {}

protected

Pointer to various information on the generation. This is also the place from which a number of pointers are recovered.

set<PhysicsBase*> subObjects

protected

A set of sub objects that should have their information in sync with This.

UserHooksPtr userHooksPtr

protected

Pointer to the UserHooks object (needs to be sett to null in classes deriving from UserHooks to avoid closed loop ownership).

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

• include/Pythia8/PhysicsBase.h
• src/PhysicsBase.cc