BOSS 8.0.0
BESIII Offline Software System
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EvtDsToEtapi2pi0 Class Reference

#include <EvtDsToEtapi2pi0.hh>

Inheritance diagram for EvtDsToEtapi2pi0:

Public Member Functions

 EvtDsToEtapi2pi0 ()
virtual ~EvtDsToEtapi2pi0 ()
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 8 of file EvtDsToEtapi2pi0.hh.

Constructor & Destructor Documentation

◆ EvtDsToEtapi2pi0()

EvtDsToEtapi2pi0::EvtDsToEtapi2pi0 ( )
inline

Definition at line 11 of file EvtDsToEtapi2pi0.hh.

11{}

Referenced by clone().

◆ ~EvtDsToEtapi2pi0()

EvtDsToEtapi2pi0::~EvtDsToEtapi2pi0 ( )
virtual

Definition at line 33 of file EvtDsToEtapi2pi0.cc.

33{}

Member Function Documentation

◆ clone()

EvtDecayBase * EvtDsToEtapi2pi0::clone ( )
virtual

Implements EvtDecayBase.

Definition at line 37 of file EvtDsToEtapi2pi0.cc.

37{ return new EvtDsToEtapi2pi0; }

◆ decay()

void EvtDsToEtapi2pi0::decay ( EvtParticle * p)
virtual

Implements EvtDecayBase.

Definition at line 105 of file EvtDsToEtapi2pi0.cc.

105 {
106 /*
107 double maxprob = 0.0;
108 for(int ir=0;ir<=60000000;ir++){
109 p->initializePhaseSpace(getNDaug(),getDaugs());
110 EvtVector4R pic = p->getDaug(0)->getP4();
111 EvtVector4R pi01 = p->getDaug(1)->getP4();
112 EvtVector4R pi02 = p->getDaug(2)->getP4();
113 EvtVector4R eta = p->getDaug(3)->getP4();
114
115 double Pic[4],Pi01[4],Pi02[4],Eta[4];
116 Pic[0]=pic.get(0); Pic[1]=pic.get(1); Pic[2]=pic.get(2); Pic[3]=pic.get(3);
117 Pi01[0]=pi01.get(0); Pi01[1]=pi01.get(1); Pi01[2]=pi01.get(2); Pi01[3]=pi01.get(3);
118 Pi02[0]=pi02.get(0); Pi02[1]=pi02.get(1); Pi02[2]=pi02.get(2); Pi02[3]=pi02.get(3);
119 Eta[0] = eta.get(0); Eta[1] = eta.get(1); Eta[2] = eta.get(2); Eta[3] = eta.get(3);
120
121 double prob;
122 int g0[3]={1,1,1};
123 int g1[3]={1,1,1};
124 int g2[3]={0,1,0};
125 int nstates=3;
126
127 calEvaMy(Pic, Pi01, Pi02, Eta, mass1, mass2, width1, width2, rho, phi, g0, g1, g2,
128 modetype, nstates, prob);
129
130 if(prob>maxprob) {
131 maxprob=prob;
132 printf("nrun = %d,maxprob = %.10f,prob = %.10f\n\n",ir,maxprob,prob);
133 }
134 }
135 */
136
137 p->initializePhaseSpace( getNDaug(), getDaugs() );
138 EvtVector4R pic = p->getDaug( 0 )->getP4();
139 EvtVector4R pi01 = p->getDaug( 1 )->getP4();
140 EvtVector4R pi02 = p->getDaug( 2 )->getP4();
141 EvtVector4R eta = p->getDaug( 3 )->getP4();
142
143 double Pic[4], Pi01[4], Pi02[4], Eta[4];
144 Pic[0] = pic.get( 0 );
145 Pic[1] = pic.get( 1 );
146 Pic[2] = pic.get( 2 );
147 Pic[3] = pic.get( 3 );
148 Pi01[0] = pi01.get( 0 );
149 Pi01[1] = pi01.get( 1 );
150 Pi01[2] = pi01.get( 2 );
151 Pi01[3] = pi01.get( 3 );
152 Pi02[0] = pi02.get( 0 );
153 Pi02[1] = pi02.get( 1 );
154 Pi02[2] = pi02.get( 2 );
155 Pi02[3] = pi02.get( 3 );
156 Eta[0] = eta.get( 0 );
157 Eta[1] = eta.get( 1 );
158 Eta[2] = eta.get( 2 );
159 Eta[3] = eta.get( 3 );
160
161 double prob;
162 int g0[3] = { 1, 1, 1 };
163 int g1[3] = { 1, 1, 1 };
164 int g2[3] = { 0, 1, 0 };
165 int nstates = 3;
166
167 calEvaMy( Pic, Pi01, Pi02, Eta, mass1, mass2, width1, width2, rho, phi, g0, g1, g2, modetype,
168 nstates, prob );
169 setProb( prob );
170
171 return;
172}
g1
TF1 * g1
Definition DataBase/tau_mode.c:58
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 EvtDsToEtapi2pi0::getName ( std::string & name)
virtual

Implements EvtDecayBase.

Definition at line 35 of file EvtDsToEtapi2pi0.cc.

35{ model_name = "DsToEtapi2pi0"; }

◆ init()

void EvtDsToEtapi2pi0::init ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 39 of file EvtDsToEtapi2pi0.cc.

39 {
40
41 // check that there are 0 arguments
42 checkNArg( 0 );
43 checkNDaug( 4 );
44
45 checkSpinParent( EvtSpinType::SCALAR );
46 checkSpinDaughter( 0, EvtSpinType::SCALAR );
47 checkSpinDaughter( 1, EvtSpinType::SCALAR );
48 checkSpinDaughter( 2, EvtSpinType::SCALAR );
49 checkSpinDaughter( 3, EvtSpinType::SCALAR );
50
51 int mode = 0;
52 phi[0] = 0.0000e+00;
53 phi[1] = 2.2539e+00;
54 phi[2] = -4.1144e+00;
55 rho[0] = 1.0000e+00;
56 rho[1] = 3.0726e-01;
57 rho[2] = 8.8537e-01;
58 mass1[0] = 7.7526e-01;
59 mass1[1] = 9.8000e-01;
60 mass1[2] = 9.8000e-01;
61 mass2[0] = 1.2300e+00;
62 mass2[1] = 7.7526e-01;
63 mass2[2] = 1.8000e+00;
64 width1[0] = 1.4910e-01;
65 width1[1] = 7.0000e-02;
66 width1[2] = 7.0000e-02;
67 width2[0] = 3.3049e-01;
68 width2[1] = 1.4910e-01;
69 width2[2] = 3.8900e-01;
70
71 modetype[0] = 1;
72 modetype[1] = 2;
73 modetype[2] = 3;
74
75 // cout << "DsToEtapi2pi0 :" << endl;
76 // for (int i=0; i<3; i++) {
77 // cout << i << " rho= " << rho[i] << " phi= " << phi[i] << " m1= " << mass1[i] << " m2= "
78 // << mass2[i] << " w1= "
79 // << width1[i] << " w2= " << width2[i] << endl;
80 // }
81
82 rRes = 3.0;
83 rRes2 = 9.0;
84 rD = 5.0;
85 rD2 = 25.0;
86 mass_Ks = 0.497611;
87 mass_Kaon = 0.493677;
88 mass_Pion = 0.13957;
89 mass_Pi0 = 0.1349768;
90 meta = 0.547862;
91 GS1 = 0.636619783;
92 GS2 = 0.01860182466;
93 GS3 = 0.1591549458; // 1/(2*math_2pi)
94 GS4 = 0.00620060822;
95
96 int GG[4][4] = { { 1, 0, 0, 0 }, { 0, -1, 0, 0 }, { 0, 0, -1, 0 }, { 0, 0, 0, -1 } };
97 for ( int a = 0; a < 4; a++ )
98 {
99 for ( int j = 0; j < 4; j++ ) { G[a][j] = GG[a][j]; }
100 }
101}
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 EvtDsToEtapi2pi0::initProbMax ( )
virtual

Reimplemented from EvtDecayBase.

Definition at line 103 of file EvtDsToEtapi2pi0.cc.

103{ setProbMax( 4400.0 ); }
EvtDecayBase::setProbMax
void setProbMax(double prbmx)
Definition EvtDecayBase.cc:261
The documentation for this class was generated from the following files: