The default HeavyIon model in Pythia. More...

#include <HeavyIons.h>

Inheritance diagram for Pythia8::Angantyr:

Classes
class	Redirect
	internal class to redirect stdout More...

Public Types
enum	PythiaObject { HADRON = 0, MBIAS = 1, SASD = 2, SIGPP = 3, SIGPN = 4, SIGNP = 5, SIGNN = 6, ALL = 7, HADRON = 0, MBIAS = 1, SASD = 2, SIGPP = 3, SIGPN = 4, SIGNP = 5, SIGNN = 6, ALL = 7 }
	Enumerate the different internal Pythia objects. More...

enum	PythiaObject { HADRON = 0, MBIAS = 1, SASD = 2, SIGPP = 3, SIGPN = 4, SIGNP = 5, SIGNN = 6, ALL = 7, HADRON = 0, MBIAS = 1, SASD = 2, SIGPP = 3, SIGPN = 4, SIGNP = 5, SIGNN = 6, ALL = 7 }
	Enumerate the different internal Pythia objects. More...

Public Types inherited from Pythia8::PhysicsBase
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 }

Public Member Functions
	Angantyr (Pythia &mainPythiaIn)

virtual bool	init ()
	Initialize Angantyr.

virtual bool	next ()
	Produce a collision involving heavy ions.

bool	setUserHooksPtr (PythiaObject sel, UserHooks *userHooksPtrIn)
	Set UserHooks for specific (or ALL) internal Pythia objects.

	Angantyr (Pythia &mainPythiaIn)

virtual bool	init () override
	Initialize Angantyr.

virtual bool	next () override
	Produce a collision involving heavy ions.

bool	setUserHooksPtr (PythiaObject sel, UserHooksPtr userHooksPtrIn)
	Set UserHooks for specific (or ALL) internal Pythia objects.

vector< Nucleon >::iterator	projBegin ()
	Iterate over nucleons.

vector< Nucleon >::iterator	targBegin ()

vector< Nucleon >::iterator	projEnd ()

vector< Nucleon >::iterator	targEnd ()

Public Member Functions inherited from Pythia8::HeavyIons
	HeavyIons (Pythia &mainPythiaIn)

virtual	~HeavyIons ()
	Destructor.

bool	setHIUserHooksPtr (HIUserHooks *userHooksPtrIn)
	Possibility to pass in pointer for special heavy ion user hooks.

virtual void	stat ()

	HeavyIons (Pythia &mainPythiaIn)

virtual	~HeavyIons ()
	Destructor.

bool	setHIUserHooksPtr (HIUserHooksPtr userHooksPtrIn)
	Possibility to pass in pointer for special heavy ion user hooks.

virtual void	stat ()

Public Member Functions inherited from Pythia8::PhysicsBase
void	initInfoPtr (Info &infoPtrIn)

bool	flag (string key) const

int	mode (string key) const

double	parm (string key) const

string	word (string key) const

Static Public Member Functions
static bool	getTransforms (Vec4 p1, Vec4 p2, const Vec4 &p1p, pair< RotBstMatrix, RotBstMatrix > &R12, int, int)

static double	mT2 (const Vec4 &p)

static double	mT (const Vec4 &p)

static bool	getTransforms (Vec4 p1, Vec4 p2, const Vec4 &p1p, pair< RotBstMatrix, RotBstMatrix > &R12, int, int)

static double	mT2 (const Vec4 &p)

static double	mT (const Vec4 &p)

Static Public Member Functions inherited from Pythia8::HeavyIons
static void	addSpecialSettings (Settings &settings)

static bool	isHeavyIon (Settings &settings)

static void	addSpecialSettings (Settings &settings)

static bool	isHeavyIon (Settings &settings)

Protected Member Functions
EventInfo	mkEventInfo (Pythia &pyt, const SubCollision *coll=0)
	Setup an EventInfo object from a Pythia instance.

EventInfo	getSignal (const SubCollision &coll)
	Generate events from the internal Pythia oblects;.

EventInfo	getND ()

EventInfo	getND (const SubCollision &coll)

EventInfo	getEl (const SubCollision &coll)

EventInfo	getSDP (const SubCollision &coll)

EventInfo	getSDT (const SubCollision &coll)

EventInfo	getDD (const SubCollision &coll)

EventInfo	getCD (const SubCollision &coll)

EventInfo	getSDabsP (const SubCollision &coll)

EventInfo	getSDabsT (const SubCollision &coll)

EventInfo	getMBIAS (const SubCollision *coll, int procid)

EventInfo	getSASD (const SubCollision *coll, int procid)

bool	genAbs (const multiset< SubCollision > &coll, list< EventInfo > &subevents)

void	addSASD (const multiset< SubCollision > &coll)

bool	addDD (const multiset< SubCollision > &coll, list< EventInfo > &subevents)

bool	addSD (const multiset< SubCollision > &coll, list< EventInfo > &subevents)

void	addSDsecond (const multiset< SubCollision > &coll)

bool	addCD (const multiset< SubCollision > &coll, list< EventInfo > &subevents)

void	addCDsecond (const multiset< SubCollision > &coll)

bool	addEL (const multiset< SubCollision > &coll, list< EventInfo > &subevents)

void	addELsecond (const multiset< SubCollision > &coll)

bool	buildEvent (list< EventInfo > &subevents, const vector< Nucleon > &proj, const vector< Nucleon > &targ)

bool	setupFullCollision (EventInfo &ei, const SubCollision &coll, Nucleon::Status ptype, Nucleon::Status ttype)

bool	fixIsoSpin (EventInfo &ei)

EventInfo &	shiftEvent (EventInfo &ei)

bool	nextSASD (int proc)
	Generate a single diffractive.

bool	addNucleonExcitation (EventInfo &orig, EventInfo &add, bool colConnect=false)

vector< int >	findRecoilers (const Event &e, bool tside, int beam, int end, const Vec4 &pdiff, const Vec4 &pbeam)

void	addSubEvent (Event &evnt, Event &sub)
	Add a sub-event to the final event record.

bool	addNucleusRemnants (const vector< Nucleon > &proj, const vector< Nucleon > &targ)

virtual void	onInitInfoPtr () override

bool	init (PythiaObject sel, string name, int n=0)

EventInfo	mkEventInfo (Pythia &, Info &, const SubCollision *coll=0)
	Setup an EventInfo object from a Pythia instance.

EventInfo	getSignal (const SubCollision &coll)
	Generate events from the internal Pythia oblects;.

EventInfo	getND ()

EventInfo	getND (const SubCollision &coll)

EventInfo	getEl (const SubCollision &coll)

EventInfo	getSDP (const SubCollision &coll)

EventInfo	getSDT (const SubCollision &coll)

EventInfo	getDD (const SubCollision &coll)

EventInfo	getCD (const SubCollision &coll)

EventInfo	getSDabsP (const SubCollision &coll)

EventInfo	getSDabsT (const SubCollision &coll)

EventInfo	getMBIAS (const SubCollision *coll, int procid)

EventInfo	getSASD (const SubCollision *coll, int procid)

bool	genAbs (const multiset< SubCollision > &coll, list< EventInfo > &subevents)

void	addSASD (const multiset< SubCollision > &coll)

bool	addDD (const multiset< SubCollision > &coll, list< EventInfo > &subevents)

bool	addSD (const multiset< SubCollision > &coll, list< EventInfo > &subevents)

void	addSDsecond (const multiset< SubCollision > &coll)

bool	addCD (const multiset< SubCollision > &coll, list< EventInfo > &subevents)

void	addCDsecond (const multiset< SubCollision > &coll)

bool	addEL (const multiset< SubCollision > &coll, list< EventInfo > &subevents)

void	addELsecond (const multiset< SubCollision > &coll)

bool	buildEvent (list< EventInfo > &subevents, const vector< Nucleon > &proj, const vector< Nucleon > &targ)

bool	setupFullCollision (EventInfo &ei, const SubCollision &coll, Nucleon::Status ptype, Nucleon::Status ttype)

bool	isRemnant (const EventInfo &ei, int i, int past=1) const

bool	fixIsoSpin (EventInfo &ei)

EventInfo &	shiftEvent (EventInfo &ei)

bool	nextSASD (int proc)
	Generate a single diffractive.

bool	addNucleonExcitation (EventInfo &orig, EventInfo &add, bool colConnect=false)

vector< int >	findRecoilers (const Event &e, bool tside, int beam, int end, const Vec4 &pdiff, const Vec4 &pbeam)

void	addSubEvent (Event &evnt, Event &sub)
	Add a sub-event to the final event record.

bool	addNucleusRemnants (const vector< Nucleon > &proj, const vector< Nucleon > &targ)

Protected Member Functions inherited from Pythia8::HeavyIons
void	sumUpMessages (Info &in, string tag, const Info &other)

void	updateInfo ()

void	clearProcessLevel (Pythia &pyt)

void	sumUpMessages (Info &in, string tag, const Info *other)

void	updateInfo ()

void	clearProcessLevel (Pythia &pyt)

Protected Member Functions inherited from Pythia8::PhysicsBase
virtual void	onBeginEvent ()

virtual void	onEndEvent (Status)

virtual void	onStat ()

void	registerSubObject (PhysicsBase &pb)

Static Protected Member Functions
static int	getBeam (Event &ev, int i)

static void	addJunctions (Event &evnt, Event &sub, int coloff)

static int	getBeam (Event &ev, int i)

static void	addJunctions (Event &evnt, Event &sub, int coloff)

Static Protected Member Functions inherited from Pythia8::HeavyIons
static void	setupSpecials (Settings &settings, string match)
	Duplicate setting on the form match: to settings on the form HImatch:

static void	setupSpecials (Pythia &p, string match)

static void	setupSpecials (Settings &settings, string match)
	Duplicate setting on the form match: to settings on the form HImatch:

static void	setupSpecials (Pythia &p, string match)

Additional Inherited Members
Public Attributes inherited from Pythia8::HeavyIons
HIInfo	hiinfo

HIInfo	hiInfo

Protected Attributes inherited from Pythia8::HeavyIons
Pythia *	mainPythiaPtr

SigmaTotal	sigtot

HIUserHooks *	HIHooksPtr

vector< Pythia * >	pythia

vector< string >	pythiaNames
	The names associated with the secondary pythia objects.

HIUserHooksPtr	HIHooksPtr

vector< Info * >	info

Protected Attributes inherited from Pythia8::PhysicsBase
Info *	infoPtr = {}

Settings *	settingsPtr = {}

ParticleData *	particleDataPtr = {}

HadronWidths *	hadronWidthsPtr = {}

Rndm *	rndmPtr = {}

CoupSM *	coupSMPtr = {}

CoupSUSY *	coupSUSYPtr = {}

BeamParticle *	beamAPtr = {}

BeamParticle *	beamBPtr = {}

BeamParticle *	beamPomAPtr = {}

BeamParticle *	beamPomBPtr = {}

BeamParticle *	beamGamAPtr = {}

BeamParticle *	beamGamBPtr = {}

BeamParticle *	beamVMDAPtr = {}

BeamParticle *	beamVMDBPtr = {}

PartonSystems *	partonSystemsPtr = {}

SigmaTotal *	sigmaTotPtr = {}

set< PhysicsBase * >	subObjects

UserHooksPtr	userHooksPtr

Detailed Description

The default HeavyIon model in Pythia.

Definition at line 133 of file HeavyIons.h.

Member Enumeration Documentation

enum Pythia8::Angantyr::PythiaObject

Enumerate the different internal Pythia objects.

Enumerator
HADRON	For hadronization only.
MBIAS	Minimum Bias processed.
SASD	Single diffractive as one side of non-diffractive.
SIGPP	Optional object for signal processes (pp).
SIGPN	Optional object for signal processes (pn).
SIGNP	Optional object for signal processes (np).
SIGNN	Optional object for signal processes (nn).
ALL	Indicates all objects.
HADRON	For hadronization only.
MBIAS	Minimum Bias processed.
SASD	Single diffractive as one side of non-diffractive.
SIGPP	Optional object for signal processes (pp).
SIGPN	Optional object for signal processes (pn).
SIGNP	Optional object for signal processes (np).
SIGNN	Optional object for signal processes (nn).
ALL	Indicates all objects.

Definition at line 138 of file HeavyIons.h.

enum Pythia8::Angantyr::PythiaObject

Enumerate the different internal Pythia objects.

Enumerator
HADRON	For hadronization only.
MBIAS	Minimum Bias processed.
SASD	Single diffractive as one side of non-diffractive.
SIGPP	Optional object for signal processes (pp).
SIGPN	Optional object for signal processes (pn).
SIGNP	Optional object for signal processes (np).
SIGNN	Optional object for signal processes (nn).
ALL	Indicates all objects.
HADRON	For hadronization only.
MBIAS	Minimum Bias processed.
SASD	Single diffractive as one side of non-diffractive.
SIGPP	Optional object for signal processes (pp).
SIGPN	Optional object for signal processes (pn).
SIGNP	Optional object for signal processes (np).
SIGNN	Optional object for signal processes (nn).
ALL	Indicates all objects.

Definition at line 153 of file HeavyIons.h.

Constructor & Destructor Documentation

Pythia8::Angantyr::Angantyr ( Pythia & mainPythiaIn )

The constructor needs a reference to the main Pythia object to which it will belong. A Angantyr object cannot belong to more than one main Pythia object.

Definition at line 272 of file HeavyIons.cc.

References ALL, HADRON, MBIAS, Pythia8::HeavyIons::pythia, Pythia8::HeavyIons::pythiaNames, SASD, SIGNN, SIGNP, SIGPN, and SIGPP.

Pythia8::Angantyr::Angantyr ( Pythia & mainPythiaIn )

The constructor needs a reference to the main Pythia object to which it will belong. A Angantyr object cannot belong to more than one main Pythia object.

Member Function Documentation

bool Pythia8::Angantyr::addNucleonExcitation	(	EventInfo &	orig,
		EventInfo &	add,
		bool	colConnect = `false`
	)

protected

Add a diffractive event to an exsisting one. Optionally connect the colours of the added event to the original.

Definition at line 1158 of file HeavyIons.cc.

References Pythia8::HIUserHooks::canAddNucleonExcitation(), Pythia8::HIUserHooks::canFindRecoilers(), Pythia8::EventInfo::coll, Pythia8::EventInfo::event, getTransforms(), Pythia8::HeavyIons::HIHooksPtr, Pythia8::HeavyIons::info, Pythia8::HeavyIons::mainPythiaPtr, Pythia8::EventInfo::projs, and Pythia8::SubCollision::targ.

bool Pythia8::Angantyr::addNucleonExcitation	(	EventInfo &	orig,
		EventInfo &	add,
		bool	colConnect = `false`
	)

protected

Add a diffractive event to an exsisting one. Optionally connect the colours of the added event to the original.

bool Pythia8::Angantyr::addNucleusRemnants	(	const vector< Nucleon > &	proj,
		const vector< Nucleon > &	targ
	)

protected

Add a nucleus remnant to the given event. Possibly introducing a new particle type.

Definition at line 1497 of file HeavyIons.cc.

References HADRON, Pythia8::HeavyIons::hiinfo, and Pythia8::HeavyIons::pythia.

bool Pythia8::Angantyr::addNucleusRemnants	(	const vector< Nucleon > &	proj,
		const vector< Nucleon > &	targ
	)

protected

Add a nucleus remnant to the given event. Possibly introducing a new particle type.

bool Pythia8::Angantyr::getTransforms	(	Vec4	p1,
		Vec4	p2,
		const Vec4 &	p1p,
		pair< RotBstMatrix, RotBstMatrix > &	R12,
		int	code1,
		int	code2
	)

static

Helper function to construct two transformations that would give the vectors p1 and p2 the total four momentum of p1p + p2p.

Definition at line 1293 of file HeavyIons.cc.

Referenced by addNucleonExcitation().

static bool Pythia8::Angantyr::getTransforms	(	Vec4	p1,
		Vec4	p2,
		const Vec4 &	p1p,
		pair< RotBstMatrix, RotBstMatrix > &	R12,
		int	,
		int
	)

static

Helper function to construct two transformations that would give the vectors p1 and p2 the total four momentum of p1p + p2p.

bool Pythia8::Angantyr::init	(	PythiaObject	sel,
		string	name,
		int	n = `0`
	)

protected

Initiaize a specific Pythia object and optionally run a number of events to get a handle of the cross section.

Definition at line 557 of file HeavyIons.cc.

References Pythia8::HeavyIons::info, init(), next(), and Pythia8::HeavyIons::pythia.

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

StarGenerator/Pythia8_2_35/include/Pythia8/HeavyIons.h
StarGenerator/Pythia8_3_03/include/Pythia8/HeavyIons.h
StarGenerator/Pythia8_2_35/src/HeavyIons.cc
StarGenerator/Pythia8_3_03/src/HeavyIons.cc

Classes

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Static Protected Member Functions

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation