EvtGen 2.2.0
Monte Carlo generator of particle decays, in particular the weak decays of heavy flavour particles such as B mesons.
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Public Member Functions | Private Member Functions | Private Attributes | List of all members
EvtEtaLLPiPi Class Reference

#include <EvtGenModels/EvtEtaLLPiPi.hh>

Inheritance diagram for EvtEtaLLPiPi:
EvtDecayProb EvtDecayBase

Public Member Functions

 EvtEtaLLPiPi ()=default
void init () override
void initProbMax () override
std::string getName () const override
EvtDecayBase * clone () const override
void decay (EvtParticle *p) override
Public Member Functions inherited from EvtDecayProb
void makeDecay (EvtParticle *p, bool recursive=true) override
void setProb (double prob)
double getProb ()
void setWeight (double weight)
Public Member Functions inherited from EvtDecayBase
virtual std::string commandName ()
virtual void command (std::string cmd)
virtual std::string getParamName (int i)
virtual std::string getParamDefault (int i)
double getProbMax (double prob)
double resetProbMax (double prob)
 EvtDecayBase ()=default
virtual ~EvtDecayBase ()=default
virtual bool matchingDecay (const EvtDecayBase &other) const
EvtId getParentId () const
double getBranchingFraction () const
void disableCheckQ ()
void checkQ ()
int getNDaug () const
const EvtId * getDaugs () const
EvtId getDaug (int i) const
int getNArg () const
bool getFSR () const
void setFSR ()
void setVerbose ()
void setSummary ()
double * getArgs ()
std::string * getArgsStr ()
double getArg (unsigned int j)
double getStoredArg (int j) const
double getNStoredArg () const
std::string getArgStr (int j) const
std::string getModelName () const
int getDSum () const
bool summary () const
bool verbose () const
void saveDecayInfo (EvtId ipar, int ndaug, const EvtId *daug, int narg, std::vector< std::string > &args, std::string name, double brfr)
void printSummary () const
void printInfo () const
void setProbMax (double prbmx)
void noProbMax ()
void checkNArg (int a1, int a2=-1, int a3=-1, int a4=-1)
void checkNDaug (int d1, int d2=-1)
void checkSpinParent (EvtSpinType::spintype sp)
void checkSpinDaughter (int d1, EvtSpinType::spintype sp)
virtual int nRealDaughters () const

Private Member Functions

void updateMassPars (double mLep, double mPi)
double rhoWidth (double s, double m) const
double F0 (double sLL, double sPiPi) const
double lambda (double a, double b, double c) const
double ampSquared (EvtParticle *p) const

Private Attributes

double m_alpha { 1.0 / 137.0 }
double m_eSq { 4.0 * EvtConst::pi * m_alpha }
double m_fPi { 0.0924 }
double m_f8 { 1.3 * m_fPi }
double m_f0 { 1.04 * m_fPi }
double m_thetaMix { 20.0 * EvtConst::pi / 180.0 }
double m_mixSq { 0.0 }
double m_c1 { 1.0 }
double m_c2 { 0.0 }
double m_c3 { m_c1 - m_c2 }
double m_par1 { 1.0 - ( 3.0 * ( m_c1 - m_c2 + m_c3 ) / 4.0 ) }
double m_parLL { 3.0 * ( m_c1 - m_c2 - m_c3 ) / 4.0 }
double m_parPiPi { 3.0 * m_c3 / 2.0 }
double m_rhoMass { 0.775 }
double m_rhoMassSq { m_rhoMass * m_rhoMass }
double m_rhoGamma { 0.149 }
double m_lepMass { 0.106 }
double m_lepMassSq { m_lepMass * m_lepMass }
double m_piMass { 0.140 }
double m_piMassSq { m_piMass * m_piMass }
double m_4LepMassSq { 4.0 * m_lepMassSq }
double m_4PiMassSq { 4.0 * m_piMassSq }

Additional Inherited Members

Static Public Member Functions inherited from EvtDecayBase
static void findMasses (EvtParticle *p, int ndaugs, const EvtId daugs[10], double masses[10])
static void findMass (EvtParticle *p)
static double findMaxMass (EvtParticle *p)
Protected Member Functions inherited from EvtDecayBase
bool daugsDecayedByParentModel () const
Protected Attributes inherited from EvtDecayBase
bool m_daugsDecayedByParentModel

Detailed Description

Definition at line 34 of file EvtEtaLLPiPi.hh.

Constructor & Destructor Documentation

◆ EvtEtaLLPiPi()

EvtEtaLLPiPi::EvtEtaLLPiPi ( )
default

Member Function Documentation

◆ ampSquared()

double EvtEtaLLPiPi::ampSquared ( EvtParticle * p) const
private

Definition at line 174 of file EvtEtaLLPiPi.cpp.

◆ clone()

EvtDecayBase * EvtEtaLLPiPi::clone ( ) const
overridevirtual

Implements EvtDecayBase.

Definition at line 83 of file EvtEtaLLPiPi.cpp.

◆ decay()

void EvtEtaLLPiPi::decay ( EvtParticle * p)
overridevirtual

Implements EvtDecayBase.

Definition at line 88 of file EvtEtaLLPiPi.cpp.

◆ F0()

double EvtEtaLLPiPi::F0 ( double sLL,
double sPiPi ) const
private

Definition at line 129 of file EvtEtaLLPiPi.cpp.

◆ getName()

std::string EvtEtaLLPiPi::getName ( ) const
overridevirtual

Implements EvtDecayBase.

Definition at line 78 of file EvtEtaLLPiPi.cpp.

◆ init()

void EvtEtaLLPiPi::init ( )
overridevirtual

Reimplemented from EvtDecayBase.

Definition at line 35 of file EvtEtaLLPiPi.cpp.

◆ initProbMax()

void EvtEtaLLPiPi::initProbMax ( )
overridevirtual

Reimplemented from EvtDecayBase.

Definition at line 60 of file EvtEtaLLPiPi.cpp.

◆ lambda()

double EvtEtaLLPiPi::lambda ( double a,
double b,
double c ) const
private

Definition at line 166 of file EvtEtaLLPiPi.cpp.

◆ rhoWidth()

double EvtEtaLLPiPi::rhoWidth ( double s,
double m ) const
private

Definition at line 113 of file EvtEtaLLPiPi.cpp.

◆ updateMassPars()

void EvtEtaLLPiPi::updateMassPars ( double mLep,
double mPi )
private

Definition at line 101 of file EvtEtaLLPiPi.cpp.

Member Data Documentation

◆ m_4LepMassSq

double EvtEtaLLPiPi::m_4LepMassSq { 4.0 * m_lepMassSq }
private

Definition at line 77 of file EvtEtaLLPiPi.hh.

◆ m_4PiMassSq

double EvtEtaLLPiPi::m_4PiMassSq { 4.0 * m_piMassSq }
private

Definition at line 78 of file EvtEtaLLPiPi.hh.

◆ m_alpha

double EvtEtaLLPiPi::m_alpha { 1.0 / 137.0 }
private

Definition at line 57 of file EvtEtaLLPiPi.hh.

◆ m_c1

double EvtEtaLLPiPi::m_c1 { 1.0 }
private

Definition at line 64 of file EvtEtaLLPiPi.hh.

◆ m_c2

double EvtEtaLLPiPi::m_c2 { 0.0 }
private

Definition at line 65 of file EvtEtaLLPiPi.hh.

◆ m_c3

double EvtEtaLLPiPi::m_c3 { m_c1 - m_c2 }
private

Definition at line 66 of file EvtEtaLLPiPi.hh.

◆ m_eSq

double EvtEtaLLPiPi::m_eSq { 4.0 * EvtConst::pi * m_alpha }
private

Definition at line 58 of file EvtEtaLLPiPi.hh.

◆ m_f0

double EvtEtaLLPiPi::m_f0 { 1.04 * m_fPi }
private

Definition at line 61 of file EvtEtaLLPiPi.hh.

◆ m_f8

double EvtEtaLLPiPi::m_f8 { 1.3 * m_fPi }
private

Definition at line 60 of file EvtEtaLLPiPi.hh.

◆ m_fPi

double EvtEtaLLPiPi::m_fPi { 0.0924 }
private

Definition at line 59 of file EvtEtaLLPiPi.hh.

◆ m_lepMass

double EvtEtaLLPiPi::m_lepMass { 0.106 }
private

Definition at line 73 of file EvtEtaLLPiPi.hh.

◆ m_lepMassSq

double EvtEtaLLPiPi::m_lepMassSq { m_lepMass * m_lepMass }
private

Definition at line 74 of file EvtEtaLLPiPi.hh.

◆ m_mixSq

double EvtEtaLLPiPi::m_mixSq { 0.0 }
private

Definition at line 63 of file EvtEtaLLPiPi.hh.

◆ m_par1

double EvtEtaLLPiPi::m_par1 { 1.0 - ( 3.0 * ( m_c1 - m_c2 + m_c3 ) / 4.0 ) }
private

Definition at line 67 of file EvtEtaLLPiPi.hh.

◆ m_parLL

double EvtEtaLLPiPi::m_parLL { 3.0 * ( m_c1 - m_c2 - m_c3 ) / 4.0 }
private

Definition at line 68 of file EvtEtaLLPiPi.hh.

◆ m_parPiPi

double EvtEtaLLPiPi::m_parPiPi { 3.0 * m_c3 / 2.0 }
private

Definition at line 69 of file EvtEtaLLPiPi.hh.

◆ m_piMass

double EvtEtaLLPiPi::m_piMass { 0.140 }
private

Definition at line 75 of file EvtEtaLLPiPi.hh.

◆ m_piMassSq

double EvtEtaLLPiPi::m_piMassSq { m_piMass * m_piMass }
private

Definition at line 76 of file EvtEtaLLPiPi.hh.

◆ m_rhoGamma

double EvtEtaLLPiPi::m_rhoGamma { 0.149 }
private

Definition at line 72 of file EvtEtaLLPiPi.hh.

◆ m_rhoMass

double EvtEtaLLPiPi::m_rhoMass { 0.775 }
private

Definition at line 70 of file EvtEtaLLPiPi.hh.

◆ m_rhoMassSq

double EvtEtaLLPiPi::m_rhoMassSq { m_rhoMass * m_rhoMass }
private

Definition at line 71 of file EvtEtaLLPiPi.hh.

◆ m_thetaMix

double EvtEtaLLPiPi::m_thetaMix { 20.0 * EvtConst::pi / 180.0 }
private

Definition at line 62 of file EvtEtaLLPiPi.hh.

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