BOSS 8.0.0
BESIII Offline Software System
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EvtDsToEtapipi0 Class Reference

#include <EvtDsToEtapipi0.hh>

Inheritance diagram for EvtDsToEtapipi0:

Public Member Functions

 EvtDsToEtapipi0 ()
virtual ~EvtDsToEtapipi0 ()
void getName (std::string &name)
EvtDecayBaseclone ()
void init ()
void initProbMax ()
void decay (EvtParticle *p)
Public Member Functions inherited from EvtDecayProb
void makeDecay (EvtParticle *p)
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)
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 ()
EvtIdgetDaugs ()
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)
Protected Member Functions inherited from EvtDecayBase
bool daugsDecayedByParentModel ()
Protected Attributes inherited from EvtDecayBase
bool _daugsDecayedByParentModel

Detailed Description

Definition at line 9 of file EvtDsToEtapipi0.hh.

Constructor & Destructor Documentation

◆ EvtDsToEtapipi0()

EvtDsToEtapipi0::EvtDsToEtapipi0 ( )
inline

Definition at line 12 of file EvtDsToEtapipi0.hh.

12{}

Referenced by clone().

◆ ~EvtDsToEtapipi0()

EvtDsToEtapipi0::~EvtDsToEtapipi0 ( )
virtual

Definition at line 32 of file EvtDsToEtapipi0.cc.

32{}

Member Function Documentation

◆ clone()

EvtDecayBase * EvtDsToEtapipi0::clone ( )
virtual

Implements EvtDecayBase.

Definition at line 36 of file EvtDsToEtapipi0.cc.

36{ return new EvtDsToEtapipi0; }

◆ decay()

void EvtDsToEtapipi0::decay ( EvtParticle * p)
virtual

Implements EvtDecayBase.

Definition at line 84 of file EvtDsToEtapipi0.cc.

84 {
85 /*
86 double maxprob = 0.0;
87 for(int ir=0;ir<=60000000;ir++){
88 p->initializePhaseSpace(getNDaug(),getDaugs());
89 EvtVector4R D1 = p->getDaug(0)->getP4();
90 EvtVector4R D2 = p->getDaug(1)->getP4();
91 EvtVector4R D3 = p->getDaug(2)->getP4();
92
93 double P1[4], P2[4], P3[4];
94 P1[0] = D1.get(0); P1[1] = D1.get(1); P1[2] = D1.get(2); P1[3] = D1.get(3);
95 P2[0] = D2.get(0); P2[1] = D2.get(1); P2[2] = D2.get(2); P2[3] = D2.get(3);
96 P3[0] = D3.get(0); P3[1] = D3.get(1); P3[2] = D3.get(2); P3[3] = D3.get(3);
97
98 double value;
99 value = calDalEva(P1, P2, P3);
100 if(value>maxprob) {
101 maxprob=value;
102 printf("ir = %d, maxprob = %.10f\n", ir, value);
103 }
104 }
105 printf("MAXprob = %.10f\n",maxprob);
106 */
108 EvtVector4R D1 = p->getDaug( 0 )->getP4();
109 EvtVector4R D2 = p->getDaug( 1 )->getP4();
110 EvtVector4R D3 = p->getDaug( 2 )->getP4();
111
112 double P1[4], P2[4], P3[4];
113 P1[0] = D1.get( 0 );
114 P1[1] = D1.get( 1 );
115 P1[2] = D1.get( 2 );
116 P1[3] = D1.get( 3 );
117 P2[0] = D2.get( 0 );
118 P2[1] = D2.get( 1 );
119 P2[2] = D2.get( 2 );
120 P2[3] = D2.get( 3 );
121 P3[0] = D3.get( 0 );
122 P3[1] = D3.get( 1 );
123 P3[2] = D3.get( 2 );
124 P3[3] = D3.get( 3 );
125
126 double value;
127 value = calDalEva( P1, P2, P3 );
128 setProb( value );
129 return;
130}
EvtId * getDaugs()
void setProb(double prob)
const EvtVector4R & getP4() const
EvtParticle * getDaug(int i)
double initializePhaseSpace(int numdaughter, EvtId *daughters, double poleSize=-1., int whichTwo1=0, int whichTwo2=1)
double get(int i) const

◆ getName()

void EvtDsToEtapipi0::getName ( std::string & name)
virtual

Implements EvtDecayBase.

Definition at line 34 of file EvtDsToEtapipi0.cc.

34{ model_name = "DsToEtapipi0"; }

◆ init()

void EvtDsToEtapipi0::init ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 38 of file EvtDsToEtapipi0.cc.

38 {
39 // check that there are 0 arguments
40 checkNArg( 0 );
41 checkNDaug( 3 );
46
47 phi[1] = 0.783116;
48 phi[2] = 2.8811;
49 rho[1] = 1.50567;
50 rho[2] = 0.845892;
51 rho[0] = 1;
52 phi[0] = 0;
53
54 // cout << "DsToEtapipi0 :" << endl;
55 // for (int i=0; i<3; i++) {
56 // cout << i << " rho= " << rho[i] << " phi= " << phi[i] << endl;
57 // }
58
59 mD = 1.86486;
60 mDs = 1.9683;
61 rRes = 3.0;
62 rD = 5.0;
63 metap = 0.95778;
64 mkstr = 0.89594;
65 mk0 = 0.497614;
66 mass_Kaon = 0.49368;
67 mass_Pion = 0.13957;
68 mass_Pi0 = 0.1349766;
69 math_pi = 3.1415926;
70 mrho = 0.77549;
71 Grho = 0.1491;
72 ma0 = 0.980;
73 Ga0 = 0.0756;
74 meta = 0.547862;
75 int GG[4][4] = { { 1, 0, 0, 0 }, { 0, -1, 0, 0 }, { 0, 0, -1, 0 }, { 0, 0, 0, -1 } };
76 for ( int i = 0; i < 4; i++ )
77 {
78 for ( int j = 0; j < 4; j++ ) { G[i][j] = GG[i][j]; }
79 }
80}
void checkSpinDaughter(int d1, EvtSpinType::spintype sp)
void checkSpinParent(EvtSpinType::spintype sp)
void checkNDaug(int d1, int d2=-1)
void checkNArg(int a1, int a2=-1, int a3=-1, int a4=-1)

◆ initProbMax()

void EvtDsToEtapipi0::initProbMax ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 82 of file EvtDsToEtapipi0.cc.

82{ setProbMax( 213.5 ); }
void setProbMax(double prbmx)

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