Hammer::ParticleData Class Reference

PDG code process signature class. More...

#include <ParticleData.hh>

Inheritance diagram for Hammer::ParticleData:

Collaboration diagram for Hammer::ParticleData:

Classes
struct	Signature
	Decay signature information. More...

Public Member Functions
	ParticleData ()
	default constructor More...
	ParticleData (const ParticleData &other)=default
ParticleData &	operator= (const ParticleData &other)=default
	ParticleData (ParticleData &&other)=default
ParticleData &	operator= (ParticleData &&other)=default
virtual	~ParticleData ()
virtual void	eval (const Particle &parent, const ParticleList &daughters, const ParticleList &references)=0
	method to evaluate the object on a specific particle set More...
virtual bool	setSignatureIndex (size_t idx=0)
	select a specific signature to be the current signature More...
HashId	id () const
	returns the unique ID of the current decay signature More...
HashId	hadronicId () const
	returns the hadronic unique ID (parent + hadronic daughters) of the current decay signature More...
const std::vector< double > &	masses () const
	returns the particle masses of the current decay signature More...
size_t	numSignatures () const
	returns the number of available signatures More...

Protected Member Functions
void	addProcessSignature (PdgId parent, const std::vector< PdgId > &daughters, const std::vector< PdgId > &subDaughters={})
	adds a signature to the list by specifying the particles PDG codes. More...

Protected Attributes
std::vector< Signature >	_signatures
	the list of signatures More...
size_t	_signatureIndex
	the index of the current signature More...

Private Member Functions
bool	checkValidSignature (PdgId parent, const std::vector< PdgId > &daughters, const std::vector< PdgId > &granddaughters)

Detailed Description

PDG code process signature class.

Manages the particle signatures (hashes, pdg lists, particle masses) of an object that needs to be associated to a decay vertex, in order to associate it in a Process at runtime. Supports multiple signatures to lump together similar decays (e.g. \( B^0 \rightarrow D^- \bar \tau \nu_\tau \) with \( B^+ \rightarrow D^0 \bar \tau \nu_\tau \), \( B^+ \rightarrow D^0 \bar \mu \nu_\mu \), etc.). Each signature can be selected by a signature index.

Definition at line 33 of file ParticleData.hh.

Constructor & Destructor Documentation

Hammer::ParticleData::ParticleData

(

)

default constructor

Definition at line 27 of file ParticleData.cc.

Hammer::ParticleData::ParticleData ( const ParticleData &  other )

default

Hammer::ParticleData::ParticleData ( ParticleData &&  other )

default

Hammer::ParticleData::~ParticleData ( )

virtual

Definition at line 31 of file ParticleData.cc.

Member Function Documentation

void Hammer::ParticleData::addProcessSignature ( PdgId  parent, const std::vector< PdgId > &  daughters, const std::vector< PdgId > &  subDaughters = {}  )

protected

adds a signature to the list by specifying the particles PDG codes.

The internal particle ordering is automatically taken into account

Parameters

[in]	parent	the parent PDG code
[in]	daughters	the list of daughter PDG codes
[in]	subDaughters	the list of subdaughters PDG codes for objects associated to 2-step decays

Definition at line 64 of file ParticleData.cc.

bool Hammer::ParticleData::checkValidSignature ( PdgId  parent, const std::vector< PdgId > &  daughters, const std::vector< PdgId > &  granddaughters  )

private

Definition at line 48 of file ParticleData.cc.

virtual void Hammer::ParticleData::eval ( const Particle &  parent, const ParticleList &  daughters, const ParticleList &  references  )

pure virtual

method to evaluate the object on a specific particle set

Parameters

[in]	parent	the parent Particle
[in]	daughters	the daughters (and grand-daughters, if necessary) Particle list
[in]	references	the parent Particle siblings (necessary e.g. for helicity amplitude phase conventions)

Implemented in Hammer::RateBase, Hammer::FormFactorBase, Hammer::AmplitudeBase, Hammer::FFISGW2Base, Hammer::FFBGLBase, Hammer::FFBLPRBase, Hammer::FFCLNBase, Hammer::FFTauto3PiRCT, Hammer::FFLbtoLcBLRS, Hammer::FFLbtoLcBLRSVar, Hammer::FFLbtoLcPCR, Hammer::AmplBD0starLepNu, Hammer::AmplBD1LepNu, Hammer::AmplBD1starLepNu, Hammer::AmplBD2starLepNu, Hammer::AmplBDLepNu, Hammer::AmplBDstarDGamLepNu, Hammer::AmplBDstarDPiLepNu, Hammer::AmplBDstarLepNu, Hammer::AmplLbLcLepNu, Hammer::AmplTau3PiNu, Hammer::AmplTauEllNuNu, and Hammer::AmplTauPiNu.

HashId Hammer::ParticleData::hadronicId

(

)

const

returns the hadronic unique ID (parent + hadronic daughters) of the current decay signature

Returns

the hadronic UID

Definition at line 40 of file ParticleData.cc.

HashId Hammer::ParticleData::id

(

)

const

returns the unique ID of the current decay signature

Returns

the UID

Definition at line 36 of file ParticleData.cc.

const vector< double > & Hammer::ParticleData::masses

(

)

const

returns the particle masses of the current decay signature

Returns

the list of masses

Definition at line 44 of file ParticleData.cc.

size_t Hammer::ParticleData::numSignatures

(

)

const

returns the number of available signatures

Returns

the number of signatures

Definition at line 111 of file ParticleData.cc.

ParticleData& Hammer::ParticleData::operator= ( const ParticleData &  other )

default

ParticleData& Hammer::ParticleData::operator= ( ParticleData &&  other )

default

bool Hammer::ParticleData::setSignatureIndex ( size_t  idx = 0 )

virtual

select a specific signature to be the current signature

Parameters

[in]

idx

the signature index

Reimplemented in Hammer::AmplitudeBase.

Definition at line 100 of file ParticleData.cc.

Member Data Documentation

size_t Hammer::ParticleData::_signatureIndex

protected

the index of the current signature

Definition at line 129 of file ParticleData.hh.

std::vector<Signature> Hammer::ParticleData::_signatures

protected

the list of signatures

Definition at line 128 of file ParticleData.hh.

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

• ParticleData.hh
• ParticleData.cc