BOSS 7.0.9
BESIII Offline Software System
Loading...
Searching...
No Matches
Public Member Functions | List of all members
EvtP2GC2 Class Reference

#include <EvtP2GC2.hh>

+ Inheritance diagram for EvtP2GC2:

Public Member Functions

 EvtP2GC2 ()
 
virtual ~EvtP2GC2 ()
 
void getName (std::string &name)
 
EvtDecayBase * clone ()
 
void decay (EvtParticle *p)
 
void init ()
 
void initProbMax ()
 
 EvtP2GC2 ()
 
virtual ~EvtP2GC2 ()
 
void getName (std::string &name)
 
EvtDecayBase * clone ()
 
void decay (EvtParticle *p)
 
void init ()
 
void initProbMax ()
 
- Public Member Functions inherited from EvtDecayAmp
void makeDecay (EvtParticle *p)
 
void setWeight (double weight)
 
void vertex (const EvtComplex &amp)
 
void vertex (int i1, const EvtComplex &amp)
 
void vertex (int i1, int i2, const EvtComplex &amp)
 
void vertex (int i1, int i2, int i3, const EvtComplex &amp)
 
void vertex (int *i1, const EvtComplex &amp)
 
virtual ~EvtDecayAmp ()
 
void makeDecay (EvtParticle *p)
 
void setWeight (double weight)
 
void vertex (const EvtComplex &amp)
 
void vertex (int i1, const EvtComplex &amp)
 
void vertex (int i1, int i2, const EvtComplex &amp)
 
void vertex (int i1, int i2, int i3, const EvtComplex &amp)
 
void vertex (int *i1, const EvtComplex &amp)
 
virtual ~EvtDecayAmp ()
 
- 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 EvtDecayAmp
EvtAmp _amp2
 
- Protected Attributes inherited from EvtDecayBase
bool _daugsDecayedByParentModel
 

Detailed Description

Definition at line 28 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtP2GC2.hh.

Constructor & Destructor Documentation

◆ EvtP2GC2() [1/2]

EvtP2GC2::EvtP2GC2 ( )
inline

Definition at line 32 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtP2GC2.hh.

32{}

Referenced by clone().

◆ ~EvtP2GC2() [1/2]

EvtP2GC2::~EvtP2GC2 ( )
virtual

Definition at line 36 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtP2GC2.cc.

36{}

◆ EvtP2GC2() [2/2]

EvtP2GC2::EvtP2GC2 ( )
inline

Definition at line 32 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtP2GC2.hh.

32{}

◆ ~EvtP2GC2() [2/2]

virtual EvtP2GC2::~EvtP2GC2 ( )
virtual

Member Function Documentation

◆ clone() [1/2]

EvtDecayBase * EvtP2GC2::clone ( )
virtual

Implements EvtDecayBase.

Definition at line 45 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtP2GC2.cc.

45 {
46
47 return new EvtP2GC2;
48
49}

◆ clone() [2/2]

EvtDecayBase * EvtP2GC2::clone ( )
virtual

Implements EvtDecayBase.

◆ decay() [1/2]

void EvtP2GC2::decay ( EvtParticle *  p)
virtual

Implements EvtDecayBase.

Definition at line 73 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtP2GC2.cc.

73 {
74
75 p->initializePhaseSpace(getNDaug(),getDaugs());
76
77 EvtParticle *v,*s1;
78 EvtVector4R pv,ps,ppr;
79
80 v =p->getDaug(0); //gamma
81 s1=p->getDaug(1); //chi_c2
82 pv=v->getP4();
83 ps=s1->getP4();
84 ppr=p->getP4();
85
86// Put phase space results into the daughters.
87 EvtHelSys angles(ppr,pv); //using helicity sys. angles
88 double theta =angles.getHelAng(1);
89 double phi =angles.getHelAng(2);
90 double gamma =0.;
91
92 double A10=1.0,A11=2.08,A12=3.03; //PRD70,149
93 double Af10=A10,Af1f1=A11,Af1f2=A12;
94 int j1,j2,j3;
95 for(j1=0;j1<=2;){
96 for(j2=0;j2<=1;){
97 for(j3=0;j3<=4;){
98 vertex(j1,j2,j3,0.0);j3++;}
99j2++;}
100j1++;}
101
102 vertex(0,0,1,Djmn(1, 1,-1,phi,theta,gamma)*A12);
103 vertex(0,0,3,Djmn(1, 1, 0,phi,theta,gamma)*A11);
104 vertex(0,0,0,Djmn(1, 1, 1,phi,theta,gamma)*A10);
105 vertex(0,1,0,Djmn(1, 1,-1,phi,theta,gamma)*Af10);
106 vertex(0,1,4,Djmn(1, 1, 0,phi,theta,gamma)*Af1f1);
107 vertex(0,1,2,Djmn(1, 1, 1,phi,theta,gamma)*Af1f2);
108
109 vertex(1,0,1,Djmn(1,-1,-1,phi,theta,gamma)*A12);
110 vertex(1,0,3,Djmn(1,-1, 0,phi,theta,gamma)*A11);
111 vertex(1,0,0,Djmn(1,-1, 1,phi,theta,gamma)*A10);
112 vertex(1,1,0,Djmn(1,-1,-1,phi,theta,gamma)*Af10);
113 vertex(1,1,4,Djmn(1,-1, 0,phi,theta,gamma)*Af1f1);
114 vertex(1,1,2,Djmn(1,-1, 1,phi,theta,gamma)*Af1f2);
115
116 vertex(2,0,1,Djmn(1, 0,-1,phi,theta,gamma)*A12);
117 vertex(2,0,3,Djmn(1, 0, 0,phi,theta,gamma)*A11);
118 vertex(2,0,0,Djmn(1, 0, 1,phi,theta,gamma)*A10);
119 vertex(2,1,0,Djmn(1, 0,-1,phi,theta,gamma)*Af10);
120 vertex(2,1,4,Djmn(1, 0, 0,phi,theta,gamma)*Af1f1);
121 vertex(2,1,2,Djmn(1, 0, 1,phi,theta,gamma)*Af1f2);
122
123 return ;
124
125}
v
**********Class see also m_nmax DOUBLE PRECISION m_amel DOUBLE PRECISION m_x2 DOUBLE PRECISION m_alfinv DOUBLE PRECISION m_Xenph INTEGER m_KeyWtm INTEGER m_idyfs DOUBLE PRECISION m_zini DOUBLE PRECISION m_q2 DOUBLE PRECISION m_Wt_KF DOUBLE PRECISION m_WtCut INTEGER m_KFfin *COMMON c_KarLud $ !Input CMS energy[GeV] $ !CMS energy after beam spread beam strahlung[GeV] $ !Beam energy spread[GeV] $ !z boost due to beam spread $ !electron beam mass *ff pair spectrum $ !minimum v
Definition: KarLud.h:35
Djmn
EvtComplex Djmn(int j, int m, int n, double phi, double theta, double gamma)
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtHelSys.cc:151
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 EvtP2GC2::decay ( EvtParticle *  p)
virtual

Implements EvtDecayBase.

◆ getName() [1/2]

void EvtP2GC2::getName ( std::string &  name)
virtual

Implements EvtDecayBase.

Definition at line 38 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtP2GC2.cc.

38 {
39
40 model_name="P2GC2";
41
42}

◆ getName() [2/2]

void EvtP2GC2::getName ( std::string &  name)
virtual

Implements EvtDecayBase.

◆ init() [1/2]

void EvtP2GC2::init ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 51 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtP2GC2.cc.

51 {
52static EvtId GAM=EvtPDL::getId("gamma");
53// check that there are 0 arguments
54 checkNArg(0);
55 checkNDaug(2);
56 checkSpinParent(EvtSpinType::VECTOR);
57 checkSpinDaughter(0,EvtSpinType::PHOTON);
58 checkSpinDaughter(1,EvtSpinType::TENSOR);
59 if (!(getDaug(0)==GAM)) {
60 report(ERROR,"EvtGen") << "EvtP2GC2 generator radiative decays expected "<<endl;
61 ::abort();
62}
63 }
report
ostream & report(Severity severity, const char *facility)
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtReport.cc:36
EvtDecayBase::checkSpinDaughter
void checkSpinDaughter(int d1, EvtSpinType::spintype sp)
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtDecayBase.cc:533
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::getId
static EvtId getId(const std::string &name)
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtPDL.cc:287

◆ init() [2/2]

void EvtP2GC2::init ( )
virtual

Reimplemented from EvtDecayBase.

◆ initProbMax() [1/2]

void EvtP2GC2::initProbMax ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 66 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtP2GC2.cc.

66 {
67
68 //Hard coded... should not be hard to calculate...
69 setProbMax(11.0);
70
71}

◆ initProbMax() [2/2]

void EvtP2GC2::initProbMax ( )
virtual

Reimplemented from EvtDecayBase.

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