BOSS 7.0.9
BESIII Offline Software System
Loading...
Searching...
No Matches
Public Member Functions | List of all members
EvtDMix Class Reference

#include <EvtDMix.hh>

+ Inheritance diagram for EvtDMix:

Public Member Functions

 EvtDMix ()
 
virtual ~EvtDMix ()
 
void getName (std::string &name)
 
EvtDecayBase * clone ()
 
void initProbMax ()
 
void init ()
 
void decay (EvtParticle *p)
 
 EvtDMix ()
 
virtual ~EvtDMix ()
 
void getName (std::string &name)
 
EvtDecayBase * clone ()
 
void initProbMax ()
 
void init ()
 
void decay (EvtParticle *p)
 
- Public Member Functions inherited from EvtDecayIncoherent
void makeDecay (EvtParticle *p)
 
virtual ~EvtDecayIncoherent ()
 
void setDaughterSpinDensity (int daughter)
 
int isDaughterSpinDensitySet (int daughter)
 
void makeDecay (EvtParticle *p)
 
virtual ~EvtDecayIncoherent ()
 
void setDaughterSpinDensity (int daughter)
 
int isDaughterSpinDensitySet (int daughter)
 
- Public Member Functions inherited from EvtDecayBase
virtual void getName (std::string &name)=0
 
virtual void decay (EvtParticle *p)=0
 
virtual void makeDecay (EvtParticle *p)=0
 
virtual EvtDecayBase * clone ()=0
 
virtual void init ()
 
virtual void initProbMax ()
 
virtual std::string commandName ()
 
virtual void command (std::string cmd)
 
double getProbMax (double prob)
 
double resetProbMax (double prob)
 
 EvtDecayBase ()
 
virtual ~EvtDecayBase ()
 
virtual bool matchingDecay (const EvtDecayBase &other) const
 
EvtId getParentId ()
 
double getBranchingFraction ()
 
void disableCheckQ ()
 
void checkQ ()
 
int getNDaug ()
 
EvtId * getDaugs ()
 
EvtId getDaug (int i)
 
int getNArg ()
 
int getPHOTOS ()
 
void setPHOTOS ()
 
void setVerbose ()
 
void setSummary ()
 
double * getArgs ()
 
std::string * getArgsStr ()
 
double getArg (int j)
 
std::string getArgStr (int j)
 
std::string getModelName ()
 
int getDSum ()
 
int summary ()
 
int verbose ()
 
void saveDecayInfo (EvtId ipar, int ndaug, EvtId *daug, int narg, std::vector< std::string > &args, std::string name, double brfr)
 
void printSummary ()
 
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 ()
 
virtual void getName (std::string &name)=0
 
virtual void decay (EvtParticle *p)=0
 
virtual void makeDecay (EvtParticle *p)=0
 
virtual EvtDecayBase * clone ()=0
 
virtual void init ()
 
virtual void initProbMax ()
 
virtual std::string commandName ()
 
virtual void command (std::string cmd)
 
double getProbMax (double prob)
 
double resetProbMax (double prob)
 
 EvtDecayBase ()
 
virtual ~EvtDecayBase ()
 
virtual bool matchingDecay (const EvtDecayBase &other) const
 
EvtId getParentId ()
 
double getBranchingFraction ()
 
void disableCheckQ ()
 
void checkQ ()
 
int getNDaug ()
 
EvtId * getDaugs ()
 
EvtId getDaug (int i)
 
int getNArg ()
 
int getPHOTOS ()
 
void setPHOTOS ()
 
void setVerbose ()
 
void setSummary ()
 
double * getArgs ()
 
std::string * getArgsStr ()
 
double getArg (int j)
 
std::string getArgStr (int j)
 
std::string getModelName ()
 
int getDSum ()
 
int summary ()
 
int verbose ()
 
void saveDecayInfo (EvtId ipar, int ndaug, EvtId *daug, int narg, std::vector< std::string > &args, std::string name, double brfr)
 
void printSummary ()
 
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 ()
 

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)
 
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 ()
 
bool daugsDecayedByParentModel ()
 
- Protected Attributes inherited from EvtDecayBase
bool _daugsDecayedByParentModel
 

Detailed Description

Definition at line 30 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDMix.hh.

Constructor & Destructor Documentation

◆ EvtDMix() [1/2]

EvtDMix::EvtDMix ( )
inline

Definition at line 34 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDMix.hh.

34{}

Referenced by clone().

◆ ~EvtDMix() [1/2]

EvtDMix::~EvtDMix ( )
virtual

Definition at line 31 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDMix.cc.

31{}

◆ EvtDMix() [2/2]

EvtDMix::EvtDMix ( )
inline

Definition at line 34 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDMix.hh.

34{}

◆ ~EvtDMix() [2/2]

virtual EvtDMix::~EvtDMix ( )
virtual

Member Function Documentation

◆ clone() [1/2]

EvtDecayBase * EvtDMix::clone ( )
virtual

Implements EvtDecayBase.

Definition at line 39 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDMix.cc.

39 {
40
41 return new EvtDMix;
42
43}

◆ clone() [2/2]

EvtDecayBase * EvtDMix::clone ( )
virtual

Implements EvtDecayBase.

◆ decay() [1/2]

void EvtDMix::decay ( EvtParticle *  p)
virtual

Implements EvtDecayBase.

Definition at line 61 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDMix.cc.

61 {
62
63 //unneeded - lange - may13-02
64 //if ( p->getNDaug() != 0 ) {
65 //Will end up here because maxrate multiplies by 1.2
66 // report(DEBUG,"EvtGen") << "In EvtDMix: has "
67 // <<" daugthers should not be here!"<<endl;
68 // return;
69 //}
70
71 p->initializePhaseSpace(getNDaug(),getDaugs());
72
73 double ctau=EvtPDL::getctau(p->getId());
74 if ( ctau==0. ) return;
75
76
77 double pdf, random, gt, weight;
78
79 double maxPdf=_rd + sqrt(_rd)*_ypr*50. + 2500.0*(_xpr*_xpr+_ypr*_ypr)/4.0;
80 bool keepGoing=true;
81 while ( keepGoing ) {
82 random=EvtRandom::Flat();
83 gt=-log(random);
84 weight=random;
85 pdf=_rd + sqrt(_rd)*_ypr*gt + gt*gt*(_xpr*_xpr+_ypr*_ypr)/4.0;
86 pdf*=exp(-1.0*gt);
87 pdf/=weight;
88 if ( pdf > maxPdf )
89 std::cout << pdf << " " << weight << " " << maxPdf << " " << gt << std::endl;
90 if ( pdf > maxPdf*EvtRandom::Flat()) keepGoing=false;
91 }
92
93
94 p->setLifetime(gt*ctau);
95
96 return ;
97}
weight
*********Class see also m_nmax DOUBLE PRECISION m_MasPhot DOUBLE PRECISION m_phsu DOUBLE PRECISION m_Xenph DOUBLE PRECISION m_r2 DOUBLE PRECISION m_WtMass INTEGER m_nmax INTEGER m_Nevgen INTEGER m_IsFSR INTEGER m_MarTot *COMMON c_KarFin $ !Output file $ !Event serial number $ !alpha QED at Thomson limit $ !minimum energy at CMS for remooval $ !infrared dimensionless $ !dummy photon IR regulator $ !crude photon multiplicity enhancement factor *EVENT $ !MC crude volume of PhhSpace *Sfactors $ !YFS formfactor IR part only $ !YFS formfactor non IR finite part $ !mass weight
Definition: KarFin.h:34
exp
EvtComplex exp(const EvtComplex &c)
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtComplex.hh:252
EvtParticle::initializePhaseSpace
double initializePhaseSpace(int numdaughter, EvtId *daughters, double poleSize=-1., int whichTwo1=0, int whichTwo2=1)
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtParticle.cc:1071

◆ decay() [2/2]

void EvtDMix::decay ( EvtParticle *  p)
virtual

Implements EvtDecayBase.

◆ getName() [1/2]

void EvtDMix::getName ( std::string &  name)
virtual

Implements EvtDecayBase.

Definition at line 33 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDMix.cc.

33 {
34
35 model_name="DMIX";
36
37}

◆ getName() [2/2]

void EvtDMix::getName ( std::string &  name)
virtual

Implements EvtDecayBase.

◆ init() [1/2]

void EvtDMix::init ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 46 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDMix.cc.

46 {
47
48 // check that there are 0 arguments
49 checkNArg(3);
50 _rd=getArg(0);
51 _xpr=getArg(1);
52 _ypr=getArg(2);
53}
EvtDecayBase::checkNArg
void checkNArg(int a1, int a2=-1, int a3=-1, int a4=-1)
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtDecayBase.cc:482

◆ init() [2/2]

void EvtDMix::init ( )
virtual

Reimplemented from EvtDecayBase.

◆ initProbMax() [1/2]

void EvtDMix::initProbMax ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 55 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDMix.cc.

55 {
56
57 noProbMax();
58
59}

◆ initProbMax() [2/2]

void EvtDMix::initProbMax ( )
virtual

Reimplemented from EvtDecayBase.

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