BOSS 8.0.0
BESIII Offline Software System
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EvtDsToEtappipi0 Class Reference

#include <EvtDsToEtappipi0.hh>

Inheritance diagram for EvtDsToEtappipi0:

Public Member Functions

 EvtDsToEtappipi0 ()
virtual ~EvtDsToEtappipi0 ()
void getName (std::string &name)
EvtDecayBase * clone ()
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 ()
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)
Protected Member Functions inherited from EvtDecayBase
bool daugsDecayedByParentModel ()
Protected Attributes inherited from EvtDecayBase
bool _daugsDecayedByParentModel

Detailed Description

Definition at line 9 of file EvtDsToEtappipi0.hh.

Constructor & Destructor Documentation

◆ EvtDsToEtappipi0()

EvtDsToEtappipi0::EvtDsToEtappipi0 ( )
inline

Definition at line 12 of file EvtDsToEtappipi0.hh.

12{}

Referenced by clone().

◆ ~EvtDsToEtappipi0()

EvtDsToEtappipi0::~EvtDsToEtappipi0 ( )
virtual

Definition at line 32 of file EvtDsToEtappipi0.cc.

32{}

Member Function Documentation

◆ clone()

EvtDecayBase * EvtDsToEtappipi0::clone ( )
virtual

Implements EvtDecayBase.

Definition at line 36 of file EvtDsToEtappipi0.cc.

36{ return new EvtDsToEtappipi0; }

◆ decay()

void EvtDsToEtappipi0::decay ( EvtParticle * p)
virtual

Implements EvtDecayBase.

Definition at line 102 of file EvtDsToEtappipi0.cc.

102 {
103 /*
104 double maxprob = 0.0;
105 for(int ir=0;ir<=40000000;ir++){
106 p->initializePhaseSpace(getNDaug(),getDaugs());
107 EvtVector4R D1 = p->getDaug(0)->getP4();
108 EvtVector4R D2 = p->getDaug(1)->getP4();
109 EvtVector4R D3 = p->getDaug(2)->getP4();
110
111 double P1[4], P2[4], P3[4];
112 P1[0] = D1.get(0); P1[1] = D1.get(1); P1[2] = D1.get(2); P1[3] = D1.get(3);
113 P2[0] = D2.get(0); P2[1] = D2.get(1); P2[2] = D2.get(2); P2[3] = D2.get(3);
114 P3[0] = D3.get(0); P3[1] = D3.get(1); P3[2] = D3.get(2); P3[3] = D3.get(3);
115
116 double value;
117 //value = calDalEva(P1, P2, P3);
118 int g0[6]={1};
119 int spin[6]={1};
120 int nstates=1;
121 calEva(P1, P2, P3, mass, width, rho, phi, g0, spin, modetype, nstates, value);
122 if (value<0) continue;
123 if(value>maxprob) {
124 maxprob=value;
125 cout << "ir= " << ir << endl;
126 cout << "double P1[4] = {" << P1[0] <<","<< P1[1] <<","<< P1[2] <<","<< P1[3] <<"};"<< endl;
127 cout << "double P2[4] = {" << P2[0] <<","<< P2[1] <<","<< P2[2] <<","<< P2[3] <<"};"<< endl;
128 cout << "double P3[4] = {" << P3[0] <<","<< P3[1] <<","<< P3[2] <<","<< P3[3] <<"};"<< endl;
129 cout << "MAX====> " << maxprob << endl;
130 }
131 }
132 printf("MAXprob = %.10f\n",maxprob);
133 */
134 p->initializePhaseSpace( getNDaug(), getDaugs() );
135 EvtVector4R D1 = p->getDaug( 0 )->getP4();
136 EvtVector4R D2 = p->getDaug( 1 )->getP4();
137 EvtVector4R D3 = p->getDaug( 2 )->getP4();
138
139 double P1[4], P2[4], P3[4];
140 P1[0] = D1.get( 0 );
141 P1[1] = D1.get( 1 );
142 P1[2] = D1.get( 2 );
143 P1[3] = D1.get( 3 );
144 P2[0] = D2.get( 0 );
145 P2[1] = D2.get( 1 );
146 P2[2] = D2.get( 2 );
147 P2[3] = D2.get( 3 );
148 P3[0] = D3.get( 0 );
149 P3[1] = D3.get( 1 );
150 P3[2] = D3.get( 2 );
151 P3[3] = D3.get( 3 );
152
153 double value;
154 int g0[6] = { 1 };
155 int spin[6] = { 1 };
156 int nstates = 1;
157
158 calEva( P1, P2, P3, mass, width, rho, phi, g0, spin, modetype, nstates, value );
159
160 setProb( value );
161 return;
162}
EvtDecayBase::getDaugs
EvtId * getDaugs()
Definition EvtDecayBase.hh:68
EvtDecayProb::setProb
void setProb(double prob)
Definition EvtDecayProb.hh:40
EvtParticle::getP4
const EvtVector4R & getP4() const
Definition EvtParticle.cc:108
EvtParticle::getDaug
EvtParticle * getDaug(int i)
Definition EvtParticle.cc:80
EvtParticle::initializePhaseSpace
double initializePhaseSpace(int numdaughter, EvtId *daughters, double poleSize=-1., int whichTwo1=0, int whichTwo2=1)
Definition EvtParticle.cc:1042
EvtVector4R::get
double get(int i) const
Definition EvtVector4R.hh:171

◆ getName()

void EvtDsToEtappipi0::getName ( std::string & name)
virtual

Implements EvtDecayBase.

Definition at line 34 of file EvtDsToEtappipi0.cc.

34{ model_name = "DsToEtappipi0"; }

◆ init()

void EvtDsToEtappipi0::init ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 38 of file EvtDsToEtappipi0.cc.

38 {
39 // check that there are 0 arguments
40 checkNArg( 0 );
41 checkNDaug( 3 );
42 checkSpinParent( EvtSpinType::SCALAR );
43 checkSpinDaughter( 0, EvtSpinType::SCALAR );
44 checkSpinDaughter( 1, EvtSpinType::SCALAR );
45 checkSpinDaughter( 2, EvtSpinType::SCALAR );
46
47 phi[0] = 0;
48 rho[0] = 1;
49 phi[1] = 0;
50 rho[1] = 0;
51 phi[2] = 0;
52 rho[2] = 0;
53 phi[3] = 0;
54 rho[3] = 0;
55 phi[4] = 0;
56 rho[4] = 0;
57 phi[5] = 0;
58 rho[5] = 0;
59
60 phi[0] = 0.0;
61 rho[0] = 1.0;
62
63 modetype[0] = 23;
64
65 // cout << "DsToEtappipi0 :" << endl;
66 // for (int i=0; i<6; i++) {
67 // cout << i << " rho= " << rho[i] << " phi= " << phi[i] << endl;
68 // }
69
70 width[0] = 0.1491;
71 mass[0] = 0.77526;
72
73 mD = 1.86486;
74 mDs = 1.9683;
75 rRes = 9.0;
76 rD = 5.0;
77 metap = 0.95778;
78 mkstr = 0.89594;
79 mk0 = 0.497614;
80 mass_Kaon = 0.49368;
81 mass_Pion = 0.13957;
82 mass_Pi0 = 0.1349766;
83 math_pi = 3.1415926;
84 ma0 = 0.99;
85 Ga0 = 0.0756;
86 meta = 0.547862;
87
88 GS1 = 0.636619783;
89 GS2 = 0.01860182466;
90 GS3 = 0.1591549458; // 1/(2*math_2pi)
91 GS4 = 0.00620060822; // mass_Pion2/math_pi
92
93 int GG[4][4] = { { 1, 0, 0, 0 }, { 0, -1, 0, 0 }, { 0, 0, -1, 0 }, { 0, 0, 0, -1 } };
94 for ( int i = 0; i < 4; i++ )
95 {
96 for ( int j = 0; j < 4; j++ ) { G[i][j] = GG[i][j]; }
97 }
98}
EvtDecayBase::checkSpinDaughter
void checkSpinDaughter(int d1, EvtSpinType::spintype sp)
Definition EvtDecayBase.cc:492
EvtDecayBase::checkSpinParent
void checkSpinParent(EvtSpinType::spintype sp)
Definition EvtDecayBase.cc:479
EvtDecayBase::checkNDaug
void checkNDaug(int d1, int d2=-1)
Definition EvtDecayBase.cc:465
EvtDecayBase::checkNArg
void checkNArg(int a1, int a2=-1, int a3=-1, int a4=-1)
Definition EvtDecayBase.cc:449

◆ initProbMax()

void EvtDsToEtappipi0::initProbMax ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 100 of file EvtDsToEtappipi0.cc.

100{ setProbMax( 59.2 ); }
EvtDecayBase::setProbMax
void setProbMax(double prbmx)
Definition EvtDecayBase.cc:261
The documentation for this class was generated from the following files: