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Public Member Functions | List of all members
EvtEtap2gpipi Class Reference

#include <EvtEtap2gpipi.hh>

+ Inheritance diagram for EvtEtap2gpipi:

Public Member Functions

 EvtEtap2gpipi ()
 
virtual ~EvtEtap2gpipi ()
 
void getName (std::string &name)
 
EvtDecayBase * clone ()
 
void initProbMax ()
 
void init ()
 
void decay (EvtParticle *p)
 
double AmplitudeSquare ()
 
double AmplitudeSquare_p ()
 
EvtVector4R GetDaugMomLab (int i)
 
EvtVector4R GetDaugMomCM (int i)
 
EvtVector4R GetDaugMomHel (int i)
 
int GetNdaug ()
 
 EvtEtap2gpipi ()
 
virtual ~EvtEtap2gpipi ()
 
void getName (std::string &name)
 
EvtDecayBase * clone ()
 
void initProbMax ()
 
void init ()
 
void decay (EvtParticle *p)
 
double AmplitudeSquare ()
 
double AmplitudeSquare_p ()
 
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 32 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.hh.

Constructor & Destructor Documentation

◆ EvtEtap2gpipi() [1/2]

EvtEtap2gpipi::EvtEtap2gpipi ( )
inline

Definition at line 36 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.hh.

36{}

Referenced by clone().

◆ ~EvtEtap2gpipi() [1/2]

EvtEtap2gpipi::~EvtEtap2gpipi ( )
virtual

Definition at line 45 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.cc.

45{}

◆ EvtEtap2gpipi() [2/2]

EvtEtap2gpipi::EvtEtap2gpipi ( )
inline

Definition at line 36 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.hh.

36{}

◆ ~EvtEtap2gpipi() [2/2]

virtual EvtEtap2gpipi::~EvtEtap2gpipi ( )
virtual

Member Function Documentation

◆ AmplitudeSquare() [1/2]

double EvtEtap2gpipi::AmplitudeSquare ( )

Definition at line 164 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtAmpsEtap2gpipi.cc.

164 {
165 EvtVector4R dp1=GetDaugMomCM(0);
166 EvtVector4R dp2=GetDaugMomCM(1);
167 EvtVector4R dp3=GetDaugMomCM(2);
168 //cout<<"CMS:"<<(dp1+dp2+dp3).get(0)<<","<<(dp1+dp2+dp3).get(1)<<","<<(dp1+dp2+dp3).get(2)<<","<<(dp1+dp2+dp3).get(3)<<endl;
169 //cout<<(dp1.get(0)+dp2.get(0)+dp3.get(0))<<endl;
170 //cout<<(dp1.get(1)+dp2.get(1)+dp3.get(1))<<endl;
171 //cout<<(dp1.get(2)+dp2.get(2)+dp3.get(2))<<endl;
172 //cout<<(dp1.get(3)+dp2.get(3)+dp3.get(3))<<endl;
173 angular_rho2 Rho2pipi(dp1,dp2,dp3,true);
174 int xbd=getArg(0);
175// cout<<"amps(xbd) ="<<xbd<<endl;
176 return Rho2pipi.amps(xbd);
177}
angular_rho2
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtAmpsEtap2gpipi.cc:41

Referenced by decay().

◆ AmplitudeSquare() [2/2]

double EvtEtap2gpipi::AmplitudeSquare ( )

◆ AmplitudeSquare_p() [1/2]

double EvtEtap2gpipi::AmplitudeSquare_p ( )

Definition at line 179 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtAmpsEtap2gpipi.cc.

179 {
180 EvtVector4R dp1=GetDaugMomCM(0);
181 EvtVector4R dp2=GetDaugMomCM(1);
182 EvtVector4R dp3=GetDaugMomCM(2);
183 angular_rho2 tmp(dp1,dp2,dp3,false);
184 int xbd=getArg(0);
185 return tmp.amps(xbd);
186}

◆ AmplitudeSquare_p() [2/2]

double EvtEtap2gpipi::AmplitudeSquare_p ( )

◆ clone() [1/2]

EvtDecayBase * EvtEtap2gpipi::clone ( )
virtual

Implements EvtDecayBase.

Definition at line 53 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.cc.

53 {
54 return new EvtEtap2gpipi;
55}

◆ clone() [2/2]

EvtDecayBase * EvtEtap2gpipi::clone ( )
virtual

Implements EvtDecayBase.

◆ decay() [1/2]

void EvtEtap2gpipi::decay ( EvtParticle *  p)
virtual

Implements EvtDecayBase.

Definition at line 74 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.cc.

74 {
75
76double amps,SamAmps,rd1;
77
78// calculated the max amplitude square in 20000 events, is it enough larger?
79
80 if(nrun==1){
81 int ir,nd;
82 for(ir=0;ir<=2000000;ir++){
83 loop0:
84 p->initializePhaseSpace(getNDaug(),getDaugs());
85 int nd=p->getNDaug(),i;
86 _nd=nd;
87 for(i=0;i<=nd-1;i++){
88 _p4Lab[i]=p->getDaug(i)->getP4Lab();
89 _p4CM[i]=p->getDaug(i)->getP4();
90 }
91 amps=AmplitudeSquare();
92 if(amps<0) goto loop0;
93 if(amps>max_amps) max_amps=amps*1.01;
94
95 if(nrun<2){//check decay card
96 EvtId pid0= p->getId();//etaprime
97 EvtId pid1= p->getDaug(0)->getId();//pi+
98 EvtId pid2= p->getDaug(1)->getId();//pi-
99 EvtId pid3= p->getDaug(2)->getId();//gamma
100 if(pid0!= EvtPDL::getId("eta'")) { std::cout<<"Etap2gpipi need specify the parent as etaprime"<<std::endl;abort();}
101 if(pid3!= EvtPDL::getId("gamma")) { std::cout<<"Etap2gpipi need specify the daughters as pi+ pi- gamma"<<std::endl;abort();}
102 }
103
104 nrun++;
105 }
106 }
107
108
109
110if(max_amps==0.0) {report(ERROR,"EvtGen")<<"The decay amplitude square should be positive number"<<endl;abort();}
111
112
113loop:
114 p->initializePhaseSpace(getNDaug(),getDaugs());
115 int i;
116 for(i=0;i<=p->getNDaug()-1;i++){
117 _p4Lab[i]=p->getDaug(i)->getP4Lab();
118 _p4CM[i]=p->getDaug(i)->getP4();
119 }
120 amps=AmplitudeSquare();
121 if(amps < 0) goto loop;
122 SamAmps=amps/max_amps;
123 rd1=EvtRandom::Flat(0.0, 1.0);
124 if(rd1>=SamAmps) goto loop;
125 return ;
126}
report
ostream & report(Severity severity, const char *facility)
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtReport.cc:36
EvtPDL::getId
static EvtId getId(const std::string &name)
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtPDL.cc:287
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 EvtEtap2gpipi::decay ( EvtParticle *  p)
virtual

Implements EvtDecayBase.

◆ GetDaugMomCM() [1/2]

EvtVector4R EvtEtap2gpipi::GetDaugMomCM ( int  i)
inline

Definition at line 53 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.hh.

53{return _p4CM[i];}

Referenced by AmplitudeSquare(), and AmplitudeSquare_p().

◆ GetDaugMomCM() [2/2]

EvtVector4R EvtEtap2gpipi::GetDaugMomCM ( int  i)
inline

Definition at line 53 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.hh.

53{return _p4CM[i];}

◆ GetDaugMomHel() [1/2]

EvtVector4R EvtEtap2gpipi::GetDaugMomHel ( int  i)
inline

Definition at line 54 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.hh.

54{return _p4Hel[i];}

◆ GetDaugMomHel() [2/2]

EvtVector4R EvtEtap2gpipi::GetDaugMomHel ( int  i)
inline

Definition at line 54 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.hh.

54{return _p4Hel[i];}

◆ GetDaugMomLab() [1/2]

EvtVector4R EvtEtap2gpipi::GetDaugMomLab ( int  i)
inline

Definition at line 52 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.hh.

52{return _p4Lab[i];}

◆ GetDaugMomLab() [2/2]

EvtVector4R EvtEtap2gpipi::GetDaugMomLab ( int  i)
inline

Definition at line 52 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.hh.

52{return _p4Lab[i];}

◆ getName() [1/2]

void EvtEtap2gpipi::getName ( std::string &  name)
virtual

Implements EvtDecayBase.

Definition at line 47 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.cc.

47 {
48
49 model_name="Etap2gpipi";
50
51}

◆ getName() [2/2]

void EvtEtap2gpipi::getName ( std::string &  name)
virtual

Implements EvtDecayBase.

◆ GetNdaug() [1/2]

int EvtEtap2gpipi::GetNdaug ( )
inline

Definition at line 57 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.hh.

57{return _nd;}

◆ GetNdaug() [2/2]

int EvtEtap2gpipi::GetNdaug ( )
inline

Definition at line 57 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.hh.

57{return _nd;}

◆ init() [1/2]

void EvtEtap2gpipi::init ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 58 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.cc.

58 {
59 // check that there are 0 arguments
60 checkNArg(1);
61 checkNDaug(3);
62 EvtSpinType::spintype parenttype = EvtPDL::getSpinType(getParentId());
63}
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
EvtPDL::getSpinType
static EvtSpinType::spintype getSpinType(EvtId i)
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtPDL.hh:61

◆ init() [2/2]

void EvtEtap2gpipi::init ( )
virtual

Reimplemented from EvtDecayBase.

◆ initProbMax() [1/2]

void EvtEtap2gpipi::initProbMax ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 66 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtEtap2gpipi.cc.

66 {
67 noProbMax();
68}

◆ initProbMax() [2/2]

void EvtEtap2gpipi::initProbMax ( )
virtual

Reimplemented from EvtDecayBase.

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