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EvtGen  2.0.0
Monte Carlo generator of particle decays, in particular the weak decays of heavy flavour particles such as B mesons.
Public Types | Public Member Functions | Private Member Functions | Private Attributes | List of all members
EvtFourBodyPhsp Class Reference

#include <EvtGenModels/EvtFourBodyPhsp.hh>

Inheritance diagram for EvtFourBodyPhsp:
EvtDecayProb EvtDecayBase

Public Types

enum  Shape { rectangle = 1, trapezoid = 2, pentagon = 3, variable = 4 }
 

Public Member Functions

std::string getName () override
 
EvtDecayBase * clone () override
 
void init () override
 
void initProbMax () override
 
void decay (EvtParticle *parent) 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)
 
virtual ~EvtDecayProb ()
 
- 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 ()
 
virtual ~EvtDecayBase ()=default
 
virtual bool matchingDecay (const EvtDecayBase &other) const
 
EvtId getParentId () const
 
double getBranchingFraction () const
 
void disableCheckQ ()
 
void checkQ ()
 
int getNDaug () const
 
EvtId * getDaugs ()
 
EvtId getDaug (int i) const
 
int getNArg () const
 
int getPHOTOS () const
 
void setPHOTOS ()
 
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
 
int summary () const
 
int verbose () const
 
void saveDecayInfo (EvtId ipar, int ndaug, 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 ()
 

Private Member Functions

std::array< double, 4 > phspFactor (const double mM, const double m12, const double m34, std::array< double, 4 > &daughters) const
 
Shape determineBoundaryShape (const double m12Min, const double m12Max, const double m34Max, const double mMother) const
 
std::pair< double, double > generatePairMasses (const double m12Min, const double m12Max, const double m34Min, const double m34Max, const double mMother, const EvtFourBodyPhsp::Shape shape) const
 
std::pair< double, double > generateRectangle (const double m12Min, const double m12Max, const double m34Min, const double m34Max) const
 
std::pair< double, double > generateTrapezoid (const double m12Min, const double m12Max, const double m34Min, const double mMother) const
 

Private Attributes

std::array< double, 4 > m_daughterMasses { -1, -1, -1, -1 }
 
double m_m12Min
 
double m_m12Max
 
double m_m34Min
 
double m_m34Max
 
double m_trapNorm
 
double m_trapCoeff1
 
double m_trapCoeff2
 
double m_pentagonSplit
 
double m_pentagonFraction
 
Shape m_boundaryShape
 
bool m_stableMother {true}
 
bool m_stableDaughters {true}
 
bool m_fixedBoundary {true}
 

Additional Inherited Members

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

Detailed Description

Definition at line 32 of file EvtFourBodyPhsp.hh.

Member Enumeration Documentation

◆ Shape

enum EvtFourBodyPhsp::Shape
Enumerator
rectangle 
trapezoid 
pentagon 
variable 

Definition at line 34 of file EvtFourBodyPhsp.hh.

Member Function Documentation

◆ clone()

EvtDecayBase * EvtFourBodyPhsp::clone ( )
overridevirtual

Implements EvtDecayBase.

Definition at line 35 of file EvtFourBodyPhsp.cpp.

◆ decay()

void EvtFourBodyPhsp::decay ( EvtParticle *  parent)
overridevirtual

Implements EvtDecayBase.

Definition at line 241 of file EvtFourBodyPhsp.cpp.

◆ determineBoundaryShape()

EvtFourBodyPhsp::Shape EvtFourBodyPhsp::determineBoundaryShape ( const double  m12Min,
const double  m12Max,
const double  m34Max,
const double  mMother 
) const
private

Definition at line 362 of file EvtFourBodyPhsp.cpp.

◆ generatePairMasses()

std::pair< double, double > EvtFourBodyPhsp::generatePairMasses ( const double  m12Min,
const double  m12Max,
const double  m34Min,
const double  m34Max,
const double  mMother,
const EvtFourBodyPhsp::Shape  shape 
) const
private

Definition at line 379 of file EvtFourBodyPhsp.cpp.

◆ generateRectangle()

std::pair< double, double > EvtFourBodyPhsp::generateRectangle ( const double  m12Min,
const double  m12Max,
const double  m34Min,
const double  m34Max 
) const
private

Definition at line 417 of file EvtFourBodyPhsp.cpp.

◆ generateTrapezoid()

std::pair< double, double > EvtFourBodyPhsp::generateTrapezoid ( const double  m12Min,
const double  m12Max,
const double  m34Min,
const double  mMother 
) const
private

Definition at line 425 of file EvtFourBodyPhsp.cpp.

◆ getName()

std::string EvtFourBodyPhsp::getName ( )
overridevirtual

Implements EvtDecayBase.

Definition at line 30 of file EvtFourBodyPhsp.cpp.

◆ init()

void EvtFourBodyPhsp::init ( )
overridevirtual

Reimplemented from EvtDecayBase.

Definition at line 53 of file EvtFourBodyPhsp.cpp.

◆ initProbMax()

void EvtFourBodyPhsp::initProbMax ( )
overridevirtual

Reimplemented from EvtDecayBase.

Definition at line 155 of file EvtFourBodyPhsp.cpp.

◆ phspFactor()

std::array< double, 4 > EvtFourBodyPhsp::phspFactor ( const double  mM,
const double  m12,
const double  m34,
std::array< double, 4 > &  daughters 
) const
private

Definition at line 40 of file EvtFourBodyPhsp.cpp.

Member Data Documentation

◆ m_boundaryShape

Shape EvtFourBodyPhsp::m_boundaryShape
private

Definition at line 85 of file EvtFourBodyPhsp.hh.

◆ m_daughterMasses

std::array<double, 4> EvtFourBodyPhsp::m_daughterMasses { -1, -1, -1, -1 }
private

Definition at line 71 of file EvtFourBodyPhsp.hh.

◆ m_fixedBoundary

bool EvtFourBodyPhsp::m_fixedBoundary {true}
private

Definition at line 89 of file EvtFourBodyPhsp.hh.

◆ m_m12Max

double EvtFourBodyPhsp::m_m12Max
private

Definition at line 74 of file EvtFourBodyPhsp.hh.

◆ m_m12Min

double EvtFourBodyPhsp::m_m12Min
private

Definition at line 73 of file EvtFourBodyPhsp.hh.

◆ m_m34Max

double EvtFourBodyPhsp::m_m34Max
private

Definition at line 76 of file EvtFourBodyPhsp.hh.

◆ m_m34Min

double EvtFourBodyPhsp::m_m34Min
private

Definition at line 75 of file EvtFourBodyPhsp.hh.

◆ m_pentagonFraction

double EvtFourBodyPhsp::m_pentagonFraction
private

Definition at line 83 of file EvtFourBodyPhsp.hh.

◆ m_pentagonSplit

double EvtFourBodyPhsp::m_pentagonSplit
private

Definition at line 82 of file EvtFourBodyPhsp.hh.

◆ m_stableDaughters

bool EvtFourBodyPhsp::m_stableDaughters {true}
private

Definition at line 88 of file EvtFourBodyPhsp.hh.

◆ m_stableMother

bool EvtFourBodyPhsp::m_stableMother {true}
private

Definition at line 87 of file EvtFourBodyPhsp.hh.

◆ m_trapCoeff1

double EvtFourBodyPhsp::m_trapCoeff1
private

Definition at line 79 of file EvtFourBodyPhsp.hh.

◆ m_trapCoeff2

double EvtFourBodyPhsp::m_trapCoeff2
private

Definition at line 80 of file EvtFourBodyPhsp.hh.

◆ m_trapNorm

double EvtFourBodyPhsp::m_trapNorm
private

Definition at line 78 of file EvtFourBodyPhsp.hh.

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