ThePEG::PolarizedBeamParticleData Class Reference

PolarizedBeamParticleData inherits from the BeamParticleData class and is used for polarized beam particles. More...

#include <PolarizedBeamParticleData.h>

Inheritance diagram for ThePEG::PolarizedBeamParticleData:

Public Member Functions
Standard constructors and destructors.
	PolarizedBeamParticleData ()
	Default constructor.
Public Member Functions inherited from ThePEG::BeamParticleData
	BeamParticleData ()
	Default constructor.
void	persistentOutput (PersistentOStream &os) const
	Function used to write out object persistently.
void	persistentInput (PersistentIStream &is, int version)
	Function used to read in object persistently.
tcPDFPtr	pdf () const
	Return a pointer to the parton density object describing the sub-structure of this particle type.
Public Member Functions inherited from ThePEG::ParticleData
	ParticleData ()
	Default constructor.
long	id () const
	Return the PDG id number.
const string &	PDGName () const
	Return the generic PDG name.
const string &	genericName () const
	Return the generic PDG name.
PPtr	produceParticle (const Lorentz5Momentum &) const
	Produce a particle specifying momentum.
PPtr	produceParticle (const LorentzMomentum &) const
	Produce a particle specifying momentum.
PPtr	produceParticle (const LorentzMomentum &, Energy m) const
	Produce a particle specifying 4-momentum and a mass.
PPtr	produceParticle (const Momentum3 &pp=Momentum3()) const
	Produce a particle specifying 3-momentum.
PPtr	produceParticle (Energy m, const Momentum3 &pp=Momentum3()) const
	Produce a particle specifying mass and 3-momentum.
PPtr	produceParticle (Energy plus, Energy minus, Energy px, Energy py) const
	Produce a particle specifying light-cone momentum components and transverse momentum components.
Energy	generateMass () const
	Generate a mass for an instance of this particle type.
Energy	generateWidth (Energy mass) const
	Generate a width for an instance of this particle type.
Length	generateLifeTime (Energy mass, Energy width) const
	Generate a mass for an instance of this particle type.
const DecaySelector &	decaySelector () const
	Return the nominal decay selector for this particle.
tDMPtr	selectMode (Particle &p) const
	Selects a decay mode randomly according to the branching ratios.
const DecaySet &	decayModes () const
	Access all the decay modes, including those which are switched off, or have zero branching ratio.
Energy	mass (Energy)
	Set the nominal mass.
Energy	mass () const
	Return the nominal mass.
Energy	hardProcessMass () const
	Return the mass to be used when evaluating hard process cross sections.
Energy	massMax () const
	Return the maximum possible mass of this particle type.
Energy	massMin () const
	Return the minimum possible mass of this particle type.
virtual Energy	constituentMass () const
	Return the constituent mass of this particle if relevant.
Energy	width (Energy)
	Set the width.
Energy	width () const
	Get the width.
Energy	widthCut (Energy wci)
	Set the width cut.
Energy	widthCut () const
	Get the width cut.
Energy	widthUpCut (Energy)
	Set the upper width cut.
Energy	widthUpCut () const
	Get the upper width cut.
Energy	widthLoCut (Energy)
	Set the lower width cut.
Energy	widthLoCut () const
	Get the lower width cut.
Length	cTau (Length)
	Set the life time cTau.
Length	cTau () const
	Get the life time cTau cTau.
Energy	hardProcessWidth () const
	Return the width to be used when evaluating hard process cross sections.
PDT::Charge	iCharge (PDT::Charge)
	Set the charge.
Charge	charge () const
	Get the charge.
PDT::Charge	iCharge () const
	Get the charge.
bool	charged () const
	Return true if charged.
bool	positive () const
	Return true if positively charged.
bool	negative () const
	Return true if negatively charged.
PDT::Spin	iSpin (PDT::Spin)
	Set the spin.
AngularMomentum	spin () const
	Get the spin.The spin is returned in standard units.
PDT::Spin	iSpin () const
	Get the spin.
PDT::Colour	iColour (PDT::Colour)
	Set the colour of the particle in units of PDT::Colour.
PDT::Colour	iColour () const
	Get the colour of the particle in units of PDT::Colour.
bool	coloured () const
	Return true if coloured.
bool	hasColour (bool anti=false) const
	Return true if (anti) coloured or colour-octet.
bool	hasAntiColour () const
	Return true if anti coloured or colour-octet.
PDT::ColouredInteraction	colouredInteraction () const
	Return what kind of colour charge this particle carries.
void	stable (bool stab)
	Specify if particle is to be considered stable according to stab.
bool	stable () const
	Return true if particle is to be considered stable.
tPDPtr	CC () const
	Get the pointer to the corresponding anti partner.
void	synchronized (bool sync)
	Specify if the anti partner chould be changed automatically when this object is changed according to sync.
bool	synchronized () const
	Return true if the anti partner chould be changed automatically when this object is changed.
void	synchronize ()
	If there is an anti-partner, update this object to have correct anti-properties.
void	massGenerator (tMassGenPtr)
	Set the mass generator object.
tMassGenPtr	massGenerator () const
	Get the mass generator object.
void	widthGenerator (tWidthGeneratorPtr)
	Set the width generator object.
tWidthGeneratorPtr	widthGenerator () const
	Get the width generator object.
void	variableRatio (bool varRatio)
	Specify if the branching ratio of the Particle instances should vary with their masses.
bool	variableRatio () const
	Return true if the branching ratio should vary with the mass of the Particle instance.
void	persistentOutput (PersistentOStream &os) const
	Function used to write out object persistently.
void	persistentInput (PersistentIStream &is, int version)
	Function used to read in object persistently.
Public Member Functions inherited from ThePEG::Interfaced
virtual	~Interfaced ()
	Empty virtual destructor.
virtual bool	defaultInit ()
	Functions which are to be used during the actual event generation, after the setup is complete.
PPtr	getParticle (PID) const
	Create a new Particle instance given a id number.
PDPtr	getParticleData (PID) const
	Return a pointer to the ParticleData object corresponding to the given id number.
bool	used () const
	Returns true if this object has actally been used.
void	useMe () const
	Should be called to indicate that this object has actually been used.
tEGPtr	generator () const
	Return a pointer to the EventGenerator controlling the run.
void	persistentOutput (PersistentOStream &os) const
	Function used to write out object persistently.
void	persistentInput (PersistentIStream &is, int version)
	Function used to read in object persistently.
Public Member Functions inherited from ThePEG::InterfacedBase
virtual	~InterfacedBase ()
	The virtual (empty) destructor;.
string	fullName () const
	Returns the full name of this object including its path, e.g.
string	name () const
	Returns the name of this object, without the path.
string	path () const
	Returns the path to this object including the trailing '/'.
string	comment () const
	Returns a comment assigned to this object.
void	setup (istream &is)
	Read setup info from a standard istream is.
void	update ()
	Calls the doupdate() function with recursion prevention.
void	init ()
	Calls the doinit() function with recursion prevention.
virtual bool	preInitialize () const
	Return true if this object needs to be initialized before all other objects (except those for which this function also returns true).
void	initrun ()
	Calls the doinitrun() function with recursion prevention.
void	finish ()
	Calls the dofinish() function with recursion prevention.
void	touch ()
	This function should be called every time something in this object has changed in a way that a sanity check with update() is needed.
void	reset ()
	Set the state of this object to uninitialized.
void	clear ()
	Calls reset() and unTouch().
InitState	state () const
	Return the state of initialization of this object.
bool	locked () const
	Return true if the BaseRepository is not allowed to change the state of this object.
bool	touched () const
	Return true if the state of this object has been changed since the last call to update().
void	persistentOutput (PersistentOStream &os) const
	Function used to write out object persistently.
void	persistentInput (PersistentIStream &is, int version)
	Function used to read in object persistently.
virtual void	debugme () const
	Print out debugging information for this object on std::cerr.
Public Member Functions inherited from ThePEG::Base
virtual	~Base ()
	The virtual destructor.
void	debug () const
	Print out debugging information for this object on std::cerr.
virtual void	debugme () const
	Print out debugging information for this object on std::cerr.
Public Member Functions inherited from ThePEG::Pointer::ReferenceCounted
CounterType	referenceCount () const
	Return the reference count.
Public Member Functions inherited from ThePEG::Named
	Named (const string &newName=string())
	Constructor with name.
	Named (const Named &)=default
	Explicit default copy-constructor (too avoid compiler warnings)
const string &	name () const
	Return name.
bool	operator== (const Named &other) const
	Test for equality.
bool	operator< (const Named &other) const
	Lexicographical comparison.

Functions used by the persistent I/O system.
double	theLongPolarization
	The longitudinal polarization.
static ClassDescription< PolarizedBeamParticleData >	initPolarizedBeamParticleData
	Describe a concrete class with persistent data.
void	persistentOutput (PersistentOStream &os) const
	Function used to write out object persistently.
void	persistentInput (PersistentIStream &is, int version)
	Function used to read in object persistently.
static void	Init ()
	Standard Init function used to initialize the interface.
	PolarizedBeamParticleData (long newId, string newPDGName)
	Protected constructor only to be used by subclasses or by the Create method.
virtual PDPtr	pdclone () const
	ParticleData clone method.
PolarizedBeamParticleData &	operator= (const PolarizedBeamParticleData &)=delete
	Private and non-existent assignment operator.

The Create methods are special interfaces for ParticleData
classes.
RhoDMatrix	rhoMatrix () const
	Set-up the spin density matrix.
double	longitudinalPolarization () const
	The longitudinal polarization.
static PDPtr	Create (long newId, string newPDGName)
	Create a Particle which is its own anti-particle.
static PDPair	Create (long newId, string newPDGName, string newAntiPDGName)
	Create a particle - anti particle pair.

Additional Inherited Members
Public Types inherited from ThePEG::ParticleData
typedef Selector< tDMPtr >	DecaySelector
	A selector of DecayMode objects.
Public Types inherited from ThePEG::InterfacedBase
enum	InitState { initializing = -1 , uninitialized = 0 , initialized = 1 , runready = 2 }
	Enumeration reflecting the state of an InterfacedBase object. More...
Public Types inherited from ThePEG::Pointer::ReferenceCounted
typedef unsigned int	CounterType
	The integer type used for counting.
Static Public Member Functions inherited from ThePEG::BeamParticleData
static void	Init ()
	Standard Init function used to initialize the interface.
static PDPtr	Create (long newId, string newPDGName)
	Create a Particle which is its own anti-particle.
static PDPair	Create (long newId, string newPDGName, string newAntiPDGName)
	Create a particle - anti particle pair.
Static Public Member Functions inherited from ThePEG::ParticleData
static PDPtr	Create (PID newId, const string &newPDGName)
	Create a Particle which is its own anti-particle.
static PDPair	Create (PID newId, const string &newPDGName, const string &newAntiPDGName)
	Create a particle - anti particle pair.
static void	Init ()
Static Public Member Functions inherited from ThePEG::Interfaced
static void	Init ()
	Standard Init function.
Static Public Member Functions inherited from ThePEG::InterfacedBase
static void	Init ()
	Standard Init function.
Static Public Member Functions inherited from ThePEG::Base
static void	Init ()
	The standard Init function used to initialize the interfaces.
Public Attributes inherited from ThePEG::Pointer::ReferenceCounted
const unsigned long	uniqueId
	The unique ID.
Protected Member Functions inherited from ThePEG::BeamParticleData
	BeamParticleData (long newId, string newPDGName)
	Protected constructor only to be used by subclasses or by the Create method.
Protected Member Functions inherited from ThePEG::ParticleData
virtual void	doupdate ()
	Check sanity of the object during the setup phase.
virtual void	doinit ()
	Initialize this object after the setup phase before saving an EventGenerator to disk.
virtual void	rebind (const TranslationMap &trans)
	Rebind pointer to other Interfaced objects.
virtual IVector	getReferences ()
	Return a vector of all pointers to Interfaced objects used in this object.
virtual void	doinitrun ()
	Initialize this object.
void	addDecayMode (tDMPtr)
	Add a decay mode for this particle.
void	removeDecayMode (tDMPtr)
	Remove a decay mode for this particle.
virtual IBPtr	clone () const
	Make a simple clone of this object.
virtual IBPtr	fullclone () const
	Make a clone of this object, possibly modifying the cloned object to make it sane.
	ParticleData (PID newId, const string &newPDGName)
	Protected constructor only to be used by subclasses or by the Create method.
virtual void	readSetup (istream &is)
	Read setup info from a standard stream.
Protected Member Functions inherited from ThePEG::Interfaced
void	reporeg (IBPtr object, string name) const
	Register the given object in the Repository with the given name in a subdirectory with the same name as this object.
template<typename PtrT >
bool	setDefaultReference (PtrT &ptr, string classname, string objectname)
	If the pointer, ptr, to an object is not set, create an object of class classname and register it with the Repository with the given objectname in a sib-directory with the same name as this object.
	Interfaced ()
	Protected default constructor.
	Interfaced (const string &newName)
	Protected constructor taking a name as argument.
	Interfaced (const Interfaced &i)
	Protected copy-constructor.
void	setGenerator (tEGPtr generator)
	Protected function to reset the generator pointer, required for automatic decayer generation in Herwig++ BSM models.
Protected Member Functions inherited from ThePEG::InterfacedBase
virtual void	dofinish ()
	Finalize this object.
	InterfacedBase ()
	Protected default constructor.
	InterfacedBase (string newName)
	Protected constructor with the name given as argument.
	InterfacedBase (const InterfacedBase &i)
	Protected copy-constructor.
Protected Member Functions inherited from ThePEG::Pointer::ReferenceCounted
	ReferenceCounted ()
	Default constructor.
	ReferenceCounted (const ReferenceCounted &)
	Copy-constructor.
ReferenceCounted &	operator= (const ReferenceCounted &)
	Assignment.
Protected Member Functions inherited from ThePEG::Named
const Named &	operator= (const Named &other)
	Assignment.
const string &	name (const string &newName)
	Set new name.
Static Protected Member Functions inherited from ThePEG::ParticleData
static void	antiSetup (const PDPair &pap)
	Used by subclasses or by the Create method to setup anti-relationship.
Static Protected Member Functions inherited from ThePEG::Interfaced
static void	registerRepository (IBPtr)
	Register an Interfaced object with the Repository.
static void	registerRepository (IBPtr, string newName)
	Register an Interfaced object with the Repository, giving it a name.

Detailed Description

PolarizedBeamParticleData inherits from the BeamParticleData class and is used for polarized beam particles.

See also

The interfaces defined for PolarizedBeamParticleData.

BeamParticleData

PDFBase

Definition at line 28 of file PolarizedBeamParticleData.h.

Constructor & Destructor Documentation

PolarizedBeamParticleData()

ThePEG::PolarizedBeamParticleData::PolarizedBeamParticleData ( )

inline

Default constructor.

Definition at line 37 of file PolarizedBeamParticleData.h.

Member Function Documentation

Create()

static PDPair ThePEG::PolarizedBeamParticleData::Create ( long  newId, string  newPDGName, string  newAntiPDGName  )

static

Create a particle - anti particle pair.

Note that setting the parton density object on this particle does not change the parton density of the anti particle iven if synchronized() is true.

longitudinalPolarization()

double ThePEG::PolarizedBeamParticleData::longitudinalPolarization ( ) const

inline

The longitudinal polarization.

Definition at line 64 of file PolarizedBeamParticleData.h.

References theLongPolarization.

pdclone()

virtual PDPtr ThePEG::PolarizedBeamParticleData::pdclone ( ) const

protectedvirtual

ParticleData clone method.

Reimplemented from ThePEG::BeamParticleData.

persistentInput()

void ThePEG::PolarizedBeamParticleData::persistentInput	(	PersistentIStream &	is,
		int	version
	)

Function used to read in object persistently.

Parameters

is	the persistent input stream read from.
version	the version number of the object when written.

persistentOutput()

void ThePEG::PolarizedBeamParticleData::persistentOutput

(

PersistentOStream &

os

)

const

Function used to write out object persistently.

Parameters

os	the persistent output stream written to.

Member Data Documentation

initPolarizedBeamParticleData

ClassDescription<PolarizedBeamParticleData> ThePEG::PolarizedBeamParticleData::initPolarizedBeamParticleData

staticprivate

Describe a concrete class with persistent data.

Definition at line 114 of file PolarizedBeamParticleData.h.

theLongPolarization

double ThePEG::PolarizedBeamParticleData::theLongPolarization

private

The longitudinal polarization.

Definition at line 107 of file PolarizedBeamParticleData.h.

Referenced by longitudinalPolarization().

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

• PolarizedBeamParticleData.h