BOSS 8.0.0
BESIII Offline Software System
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EvtDsTopipi0pi0 Class Reference

#include <EvtDsTopipi0pi0.hh>

Inheritance diagram for EvtDsTopipi0pi0:

Public Member Functions

 EvtDsTopipi0pi0 ()
virtual ~EvtDsTopipi0pi0 ()
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 EvtDsTopipi0pi0.hh.

Constructor & Destructor Documentation

◆ EvtDsTopipi0pi0()

EvtDsTopipi0pi0::EvtDsTopipi0pi0 ( )
inline

Definition at line 12 of file EvtDsTopipi0pi0.hh.

12{}

Referenced by clone().

◆ ~EvtDsTopipi0pi0()

EvtDsTopipi0pi0::~EvtDsTopipi0pi0 ( )
virtual

Definition at line 32 of file EvtDsTopipi0pi0.cc.

32{}

Member Function Documentation

◆ clone()

EvtDecayBase * EvtDsTopipi0pi0::clone ( )
virtual

Implements EvtDecayBase.

Definition at line 36 of file EvtDsTopipi0pi0.cc.

36{ return new EvtDsTopipi0pi0; }

◆ decay()

void EvtDsTopipi0pi0::decay ( EvtParticle * p)
virtual

Implements EvtDecayBase.

Definition at line 122 of file EvtDsTopipi0pi0.cc.

122 {
123 /*
124 double maxprob = 0.0;
125 for(int ir=0;ir<=60000000;ir++){
126 p->initializePhaseSpace(getNDaug(),getDaugs());
127 EvtVector4R D1 = p->getDaug(0)->getP4();
128 EvtVector4R D2 = p->getDaug(1)->getP4();
129 EvtVector4R D3 = p->getDaug(2)->getP4();
130
131 double P1[4], P2[4], P3[4];
132 P1[0] = D1.get(0); P1[1] = D1.get(1); P1[2] = D1.get(2); P1[3] = D1.get(3);
133 P2[0] = D2.get(0); P2[1] = D2.get(1); P2[2] = D2.get(2); P2[3] = D2.get(3);
134 P3[0] = D3.get(0); P3[1] = D3.get(1); P3[2] = D3.get(2); P3[3] = D3.get(3);
135
136 //P1[0] = 0.420940262140625; P1[1] = 0.186467651715440; P1[2] =-0.006370318623730;P1[3]
137 =0.350571109833864;
138 //P2[0] = 0.882122776747018; P2[1] =0.132998408143823; P2[2] =-0.666777627124688; P2[3]
139 =-0.545566661456526;
140 //P3[0] = 0.712403566511058; P3[1] =-0.587918056029798; P3[2] =0.378201754131628; P3[3]
141 =0.024818375264997;
142
143 double value;
144 //value = calDalEva(P1, P2, P3);
145 int g0[5]={3,1,1,0,0};
146 int spin[5]={0,0,2,2,2};
147 int nstates=5;
148 calEva(P1, P2, P3, mass, width, rho, phi, g0, spin, modetype, nstates, value);
149 if (value<0) continue;
150 if(value>maxprob) {
151 maxprob=value;
152 cout << "ir= " << ir << endl;
153 // cout << "double P1[4] = {" << P1[0] <<","<< P1[1] <<","<< P1[2] <<","<< P1[3] <<"};"<<
154 endl;
155 // cout << "double P2[4] = {" << P2[0] <<","<< P2[1] <<","<< P2[2] <<","<< P2[3] <<"};"<<
156 endl;
157 // cout << "double P3[4] = {" << P3[0] <<","<< P3[1] <<","<< P3[2] <<","<< P3[3] <<"};"<<
158 endl; cout << "MAX====> " << maxprob << endl;
159 }
160 }
161 printf("MAXprob = %.10f\n",maxprob);
162 */
163 p->initializePhaseSpace( getNDaug(), getDaugs() );
164 EvtVector4R D1 = p->getDaug( 0 )->getP4();
165 EvtVector4R D2 = p->getDaug( 1 )->getP4();
166 EvtVector4R D3 = p->getDaug( 2 )->getP4();
167
168 double P1[4], P2[4], P3[4];
169 P1[0] = D1.get( 0 );
170 P1[1] = D1.get( 1 );
171 P1[2] = D1.get( 2 );
172 P1[3] = D1.get( 3 );
173 P2[0] = D2.get( 0 );
174 P2[1] = D2.get( 1 );
175 P2[2] = D2.get( 2 );
176 P2[3] = D2.get( 3 );
177 P3[0] = D3.get( 0 );
178 P3[1] = D3.get( 1 );
179 P3[2] = D3.get( 2 );
180 P3[3] = D3.get( 3 );
181
182 // P1[0] = 0.420940262140625; P1[1] = 0.186467651715440; P1[2] =-0.006370318623730;P1[3]
183 // =0.350571109833864; P2[0] = 0.882122776747018; P2[1] =0.132998408143823; P2[2]
184 // =-0.666777627124688; P2[3] =-0.545566661456526; P3[0] = 0.712403566511058; P3[1]
185 // =-0.587918056029798; P3[2] =0.378201754131628; P3[3] =0.024818375264997;
186
187 double value;
188 int g0[5] = { 3, 1, 1, 0, 0 };
189 int spin[5] = { 0, 0, 2, 2, 2 };
190 int nstates = 5;
191
192 calEva( P1, P2, P3, mass, width, rho, phi, g0, spin, modetype, nstates, value );
193
194 setProb( value );
195 return;
196}
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 EvtDsTopipi0pi0::getName ( std::string & name)
virtual

Implements EvtDecayBase.

Definition at line 34 of file EvtDsTopipi0pi0.cc.

34{ model_name = "DsTopipi0pi0"; }

◆ init()

void EvtDsTopipi0pi0::init ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 38 of file EvtDsTopipi0pi0.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] = 1.0;
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
58 phi[0] = 0.0;
59 phi[1] = -7.3409e-01;
60 phi[2] = -9.4467e-01;
61 phi[3] = -4.3801e+00;
62 phi[4] = -2.3138e+00;
63
64 rho[0] = 1.0000e+00;
65 rho[1] = 8.5416e-01;
66 rho[2] = 6.8573e-01;
67 rho[3] = 1.7286e+00;
68 rho[4] = 7.5781e-01;
69
70 modetype[0] = 23;
71 modetype[1] = 23;
72 modetype[2] = 23;
73 modetype[3] = 23;
74 modetype[4] = 12;
75
76 // cout << "DsTopipi0pi0 :" << endl;
77 // for (int i=0; i<5; i++) {
78 // cout << i << " rho= " << rho[i] << " phi= " << phi[i] << endl;
79 // }
80
81 width[0] = 6.7400e-02;
82 width[1] = 2.6500e-01;
83 width[2] = 1.8500e-01;
84 width[3] = 1.7400e-01;
85 width[4] = 1.7400e-01;
86
87 mass[0] = 9.5500e-01;
88 mass[1] = 1.3500e+00;
89 mass[2] = 1.2755e+00;
90 mass[3] = 1.0000e+00;
91 mass[4] = 1.0000e+00;
92
93 mD = 1.86486;
94 mDs = 1.9683;
95 rRes = 9.0;
96 rD = 5.0;
97 metap = 0.95778;
98 mkstr = 0.89594;
99 mk0 = 0.497614;
100 mass_Kaon = 0.49368;
101 mass_Pion = 0.13957;
102 mass_Pi0 = 0.1349766;
103 math_pi = 3.1415926;
104 ma0 = 0.99;
105 Ga0 = 0.0756;
106 meta = 0.547862;
107
108 GS1 = 0.636619783;
109 GS2 = 0.01860182466;
110 GS3 = 0.1591549458; // 1/(2*math_2pi)
111 GS4 = 0.00620060822; // mass_Pion2/math_pi
112
113 int GG[4][4] = { { 1, 0, 0, 0 }, { 0, -1, 0, 0 }, { 0, 0, -1, 0 }, { 0, 0, 0, -1 } };
114 for ( int i = 0; i < 4; i++ )
115 {
116 for ( int j = 0; j < 4; j++ ) { G[i][j] = GG[i][j]; }
117 }
118}
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 EvtDsTopipi0pi0::initProbMax ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 120 of file EvtDsTopipi0pi0.cc.

120{ setProbMax( 51.1 ); }
EvtDecayBase::setProbMax
void setProbMax(double prbmx)
Definition EvtDecayBase.cc:261
The documentation for this class was generated from the following files: