BOSS 7.0.9
BESIII Offline Software System
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Public Member Functions | List of all members
EvtDIY Class Reference

#include <EvtDIY.hh>

+ Inheritance diagram for EvtDIY:

Public Member Functions

 EvtDIY ()
 
virtual ~EvtDIY ()
 
void getName (std::string &name)
 
EvtDecayBase * clone ()
 
void initProbMax ()
 
void init ()
 
void decay (EvtParticle *p)
 
double AmplitudeSquare ()
 
EvtVector4R GetDaugMomLab (int i)
 
EvtVector4R GetDaugMomCM (int i)
 
EvtVector4R GetDaugMomHel (int i)
 
int GetNdaug ()
 
 EvtDIY ()
 
virtual ~EvtDIY ()
 
void getName (std::string &name)
 
EvtDecayBase * clone ()
 
void initProbMax ()
 
void init ()
 
void decay (EvtParticle *p)
 
double AmplitudeSquare ()
 
EvtVector4R GetDaugMomLab (int i)
 
EvtVector4R GetDaugMomCM (int i)
 
EvtVector4R GetDaugMomHel (int i)
 
int GetNdaug ()
 
- 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 29 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.hh.

Constructor & Destructor Documentation

◆ EvtDIY() [1/2]

EvtDIY::EvtDIY ( )
inline

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

33{}

Referenced by clone().

◆ ~EvtDIY() [1/2]

EvtDIY::~EvtDIY ( )
virtual

Definition at line 44 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.cc.

44{}

◆ EvtDIY() [2/2]

EvtDIY::EvtDIY ( )
inline

Definition at line 33 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.hh.

33{}

◆ ~EvtDIY() [2/2]

virtual EvtDIY::~EvtDIY ( )
virtual

Member Function Documentation

◆ AmplitudeSquare() [1/2]

double EvtDIY::AmplitudeSquare ( )

Definition at line 176 of file bak-BesEvtGen-00-04-08/user/UserDIY.cc.

176 {
177 EvtVector4R dp1=GetDaugMomLab(0);
178 EvtVector4R dp2=GetDaugMomLab(1),dp3=GetDaugMomLab(2);
179
180// AngularSam ppbar(0.7,dp1);
181// return ppbar.amps();
182
183// rhopi Jpsi2rhopi(dp1,dp2,dp3);
184// return Jpsi2rhopi.amps();
185
186 rhopifull Jpsi2rhopi(dp1,dp2,dp3);
187 return Jpsi2rhopi.amps();
188 }

Referenced by decay().

◆ AmplitudeSquare() [2/2]

double EvtDIY::AmplitudeSquare ( )

◆ clone() [1/2]

EvtDecayBase * EvtDIY::clone ( )
virtual

Implements EvtDecayBase.

Definition at line 52 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.cc.

52 {
53
54 return new EvtDIY;
55
56}

◆ clone() [2/2]

EvtDecayBase * EvtDIY::clone ( )
virtual

Implements EvtDecayBase.

◆ decay() [1/2]

void EvtDIY::decay ( EvtParticle *  p)
virtual

Implements EvtDecayBase.

Definition at line 79 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.cc.

79 {
80
81double amps,SamAmps,rd1;
82// calculated the max amplitude square in 20000 events, is it enough larger?
83 if(nrun==1){
84 int ir,nd;
85 for(ir=0;ir<=200000;ir++){
86 loop0:
87 p->initializePhaseSpace(getNDaug(),getDaugs());
88 int nd=p->getNDaug(),i;
89 _nd=nd;
90 for(i=0;i<=nd-1;i++){
91 _p4Lab[i]=p->getDaug(i)->getP4Lab();
92 _p4CM[i]=p->getDaug(i)->getP4();
93 }
94 amps=AmplitudeSquare();
95 if(amps<0) goto loop0;
96 if(amps>max_amps) max_amps=amps*1.01;
97 nrun++;
98 }
99 }
100if(max_amps==0.0) {report(ERROR,"EvtGen")<<"The decay amplitude square should be positive number"<<endl;abort();}
101//cout<<"max_amp="<<max_amps<<endl;
102
103
104loop:
105 p->initializePhaseSpace(getNDaug(),getDaugs());
106 int i;
107 for(i=0;i<=p->getNDaug()-1;i++){
108 _p4Lab[i]=p->getDaug(i)->getP4Lab();
109 _p4CM[i]=p->getDaug(i)->getP4();
110 }
111// Put phase space results into the daughters.
112 amps=AmplitudeSquare();
113 if(amps < 0) goto loop;
114 SamAmps=amps/max_amps;
115 rd1=EvtRandom::Flat(0.0, 1.0);
116 if(rd1>=SamAmps) goto loop;
117 return ;
118}
report
ostream & report(Severity severity, const char *facility)
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtReport.cc:36
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 EvtDIY::decay ( EvtParticle *  p)
virtual

Implements EvtDecayBase.

◆ GetDaugMomCM() [1/2]

EvtVector4R EvtDIY::GetDaugMomCM ( int  i)
inline

Definition at line 49 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.hh.

49{return _p4CM[i];}

◆ GetDaugMomCM() [2/2]

EvtVector4R EvtDIY::GetDaugMomCM ( int  i)
inline

Definition at line 49 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.hh.

49{return _p4CM[i];}

◆ GetDaugMomHel() [1/2]

EvtVector4R EvtDIY::GetDaugMomHel ( int  i)
inline

Definition at line 50 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.hh.

50{return _p4Hel[i];}

◆ GetDaugMomHel() [2/2]

EvtVector4R EvtDIY::GetDaugMomHel ( int  i)
inline

Definition at line 50 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.hh.

50{return _p4Hel[i];}

◆ GetDaugMomLab() [1/2]

EvtVector4R EvtDIY::GetDaugMomLab ( int  i)
inline

Definition at line 48 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.hh.

48{return _p4Lab[i];}

Referenced by AmplitudeSquare().

◆ GetDaugMomLab() [2/2]

EvtVector4R EvtDIY::GetDaugMomLab ( int  i)
inline

Definition at line 48 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.hh.

48{return _p4Lab[i];}

◆ getName() [1/2]

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

Implements EvtDecayBase.

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

46 {
47
48 model_name="DIY";
49
50}

◆ getName() [2/2]

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

Implements EvtDecayBase.

◆ GetNdaug() [1/2]

int EvtDIY::GetNdaug ( )
inline

Definition at line 53 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.hh.

53{return _nd;}

◆ GetNdaug() [2/2]

int EvtDIY::GetNdaug ( )
inline

Definition at line 53 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.hh.

53{return _nd;}

◆ init() [1/2]

void EvtDIY::init ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 59 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.cc.

59 {
60
61// check that there are 1 arguments:angular distribution parameter
62// checkNArg(0);
63// checkNDaug(2);
64 EvtSpinType::spintype parenttype = EvtPDL::getSpinType(getParentId());
65// if ( parenttype == EvtSpinType::SCALAR ){
66// report(ERROR,"EvtGen")<<"Scalar decays with flat distribution"<<endl;
67// ::abort();
68// }
69}
EvtPDL::getSpinType
static EvtSpinType::spintype getSpinType(EvtId i)
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtPDL.hh:61

◆ init() [2/2]

void EvtDIY::init ( )
virtual

Reimplemented from EvtDecayBase.

◆ initProbMax() [1/2]

void EvtDIY::initProbMax ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 70 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDIY.cc.

70 {
71 noProbMax();
72
73}

◆ initProbMax() [2/2]

void EvtDIY::initProbMax ( )
virtual

Reimplemented from EvtDecayBase.

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