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BESIII Offline Software System
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Public Member Functions | List of all members
EvtPto3P Class Reference

#include <EvtPto3P.hh>

+ Inheritance diagram for EvtPto3P:

Public Member Functions

 EvtPto3P ()
 
virtual ~EvtPto3P ()
 
void getName (std::string &model_name)
 
EvtDecayBase * clone ()
 
virtual EvtAmpFactory< EvtDalitzPoint > * createFactory (const EvtMultiChannelParser &parser)
 
virtual std::vector< EvtVector4R > initDaughters (const EvtDalitzPoint &p) const
 
EvtDalitzPlot dp ()
 
 EvtPto3P ()
 
virtual ~EvtPto3P ()
 
void getName (std::string &model_name)
 
EvtDecayBase * clone ()
 
virtual EvtAmpFactory< EvtDalitzPoint > * createFactory (const EvtMultiChannelParser &parser)
 
virtual std::vector< EvtVector4R > initDaughters (const EvtDalitzPoint &p) const
 
EvtDalitzPlot dp ()
 
- Public Member Functions inherited from EvtIntervalDecayAmp< EvtDalitzPoint >
 EvtIntervalDecayAmp ()
 
 EvtIntervalDecayAmp (const EvtIntervalDecayAmp< EvtDalitzPoint > &other)
 
 EvtIntervalDecayAmp ()
 
 EvtIntervalDecayAmp (const EvtIntervalDecayAmp< EvtDalitzPoint > &other)
 
virtual ~EvtIntervalDecayAmp ()
 
virtual ~EvtIntervalDecayAmp ()
 
virtual void init ()
 
virtual void init ()
 
virtual void initProbMax ()
 
virtual void initProbMax ()
 
virtual void decay (EvtParticle *p)
 
virtual void decay (EvtParticle *p)
 
virtual EvtAmpFactory< EvtDalitzPoint > * createFactory (const EvtMultiChannelParser &parser)=0
 
virtual EvtAmpFactory< EvtDalitzPoint > * createFactory (const EvtMultiChannelParser &parser)=0
 
virtual std::vector< EvtVector4R > initDaughters (const EvtDalitzPoint &p) const=0
 
virtual std::vector< EvtVector4R > initDaughters (const EvtDalitzPoint &p) const=0
 
const EvtDalitzPoint & x () const
 
const EvtDalitzPoint & x () const
 
EvtComplex amplNonCP (const EvtDalitzPoint &x)
 
EvtComplex amplNonCP (const EvtDalitzPoint &x)
 
EvtPdfSum< EvtDalitzPoint > * getPC ()
 
EvtPdfSum< EvtDalitzPoint > * getPC ()
 
- 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 EvtIntervalDecayAmp< EvtDalitzPoint >
double _probMax
 
int _nScan
 
EvtDalitzPoint _x
 
EvtAmpFactory< EvtDalitzPoint > * _fact
 
- Protected Attributes inherited from EvtDecayAmp
EvtAmp _amp2
 
- Protected Attributes inherited from EvtDecayBase
bool _daugsDecayedByParentModel
 

Detailed Description

Definition at line 26 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtPto3P.hh.

Constructor & Destructor Documentation

◆ EvtPto3P() [1/2]

EvtPto3P::EvtPto3P ( )
inline

Definition at line 30 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtPto3P.hh.

30{}

Referenced by clone().

◆ ~EvtPto3P() [1/2]

virtual EvtPto3P::~EvtPto3P ( )
inlinevirtual

Definition at line 31 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtPto3P.hh.

31{}

◆ EvtPto3P() [2/2]

EvtPto3P::EvtPto3P ( )
inline

Definition at line 30 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtPto3P.hh.

30{}

◆ ~EvtPto3P() [2/2]

virtual EvtPto3P::~EvtPto3P ( )
inlinevirtual

Definition at line 31 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtPto3P.hh.

31{}

Member Function Documentation

◆ clone() [1/2]

EvtDecayBase * EvtPto3P::clone ( )
inlinevirtual

Implements EvtDecayBase.

Definition at line 33 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtPto3P.hh.

33{ return new EvtPto3P(); }

◆ clone() [2/2]

EvtDecayBase * EvtPto3P::clone ( )
inlinevirtual

Implements EvtDecayBase.

Definition at line 33 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtPto3P.hh.

33{ return new EvtPto3P(); }

◆ createFactory() [1/2]

EvtAmpFactory< EvtDalitzPoint > * EvtPto3P::createFactory ( const EvtMultiChannelParser &  parser)
virtual

Implements EvtIntervalDecayAmp< EvtDalitzPoint >.

Definition at line 45 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtPto3P.cc.

46{
47 // Compute the interval size
48
49 EvtDalitzPlot plot = dp();
50 EvtAmpFactory<EvtDalitzPoint>* fact = new EvtPto3PAmpFactory(plot);
51 fact->build(parser,10000);
52 return fact;
53}
EvtAmpFactory::build
virtual void build(const EvtMultiChannelParser &parser, int nItg)
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtAmpFactory.hh:57

◆ createFactory() [2/2]

virtual EvtAmpFactory< EvtDalitzPoint > * EvtPto3P::createFactory ( const EvtMultiChannelParser &  parser)
virtual

Implements EvtIntervalDecayAmp< EvtDalitzPoint >.

◆ dp() [1/2]

EvtDalitzPlot EvtPto3P::dp ( )

Definition at line 24 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtPto3P.cc.

25{
26 // There must be 3 daughters. All particles must be pseudoscalars.
27 // Charge must be conserved. Number of arguments must be non-zero.
28
29 EvtId parent = getParentId();
30 assert(getNDaug() == 3);
31 EvtId dau0 = getDaug(0);
32 EvtId dau1 = getDaug(1);
33 EvtId dau2 = getDaug(2);
34
35 assert(EvtPDL::getSpinType(parent) == EvtSpinType::SCALAR);
36 assert(EvtPDL::getSpinType(dau0) == EvtSpinType::SCALAR);
37 assert(EvtPDL::getSpinType(dau1) == EvtSpinType::SCALAR);
38 assert(EvtPDL::getSpinType(dau2) == EvtSpinType::SCALAR);
39 assert(EvtPDL::chg3(parent) == EvtPDL::chg3(dau0) + EvtPDL::chg3(dau1) + EvtPDL::chg3(dau2));
40 assert(getNArg() > 0);
41
42 return EvtDalitzPlot(EvtPDL::getMass(dau0),EvtPDL::getMass(dau1),EvtPDL::getMass(dau2),EvtPDL::getMass(parent));
43}
EvtPDL::getSpinType
static EvtSpinType::spintype getSpinType(EvtId i)
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtPDL.hh:61

Referenced by createFactory().

◆ dp() [2/2]

EvtDalitzPlot EvtPto3P::dp ( )

◆ getName() [1/2]

void EvtPto3P::getName ( std::string &  model_name)
inlinevirtual

Implements EvtDecayBase.

Definition at line 32 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtPto3P.hh.

32{ model_name="PTO3P"; }

Referenced by EvtBtoKD3P::decay().

◆ getName() [2/2]

void EvtPto3P::getName ( std::string &  model_name)
inlinevirtual

Implements EvtDecayBase.

Definition at line 32 of file BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtPto3P.hh.

32{ model_name="PTO3P"; }

◆ initDaughters() [1/2]

std::vector< EvtVector4R > EvtPto3P::initDaughters ( const EvtDalitzPoint &  p) const
virtual

Implements EvtIntervalDecayAmp< EvtDalitzPoint >.

Definition at line 56 of file bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtPto3P.cc.

57{
58 std::vector<EvtVector4R> v;
59 assert(x.isValid());
60
61 // Calculate in the r.f. of AB
62
63 double eA = x.e(A,AB);
64 double eB = x.e(B,AB);
65 double eC = x.e(C,AB);
66 double pA = x.p(A,AB);
67 double pC = x.p(C,AB);
68 double cos = x.cosTh(CA,AB);
69 double sin = sqrt(1.0-cos*cos);
70
71 EvtVector4R vA(eA,0,0,pA);
72 EvtVector4R vB(eB,0,0,-pA);
73 EvtVector4R vC(eC,0,pC*sin,pC*cos);
74
75 // Boost from rest frame of AB to rest-frame of decaying particle
76 // vboost is the 4-momentum of frame being boosted from in the frame
77 // being boosted into.
78
79 EvtVector4R vboost = vA + vB + vC;
80 vboost.set(1,-vboost.get(1));
81 vboost.set(2,-vboost.get(2));
82 vboost.set(3,-vboost.get(3));
83 vA.applyBoostTo(vboost);
84 vB.applyBoostTo(vboost);
85 vC.applyBoostTo(vboost);
86
87 // Rotate
88
89 double alpha = EvtRandom::Flat( EvtConst::twoPi );
90 double beta = acos(EvtRandom::Flat( -1.0, 1.0 ));
91 double gamma = EvtRandom::Flat( EvtConst::twoPi );
92
93 vA.applyRotateEuler( alpha, beta, gamma );
94 vB.applyRotateEuler( alpha, beta, gamma );
95 vC.applyRotateEuler( alpha, beta, gamma );
96
97 // Fill vector
98
99 assert(v.size() == 0);
100 v.push_back(vA);
101 v.push_back(vB);
102 v.push_back(vC);
103
104 return v;
105}
sin
double sin(const BesAngle a)
Definition: BesAngle.h:210
cos
double cos(const BesAngle a)
Definition: BesAngle.h:213
alpha
const double alpha
Definition: FastVertexFit.cxx:4
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
EvtDalitzPoint::p
double p(EvtCyclic3::Index i, EvtCyclic3::Pair j) const
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtDalitzPoint.cc:132
EvtDalitzPoint::e
double e(EvtCyclic3::Index i, EvtCyclic3::Pair j) const
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtDalitzPoint.cc:126
EvtDalitzPoint::cosTh
double cosTh(EvtCyclic3::Pair pairAng, EvtCyclic3::Pair pairRes) const
Definition: bak-BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtDalitzPoint.cc:138

Referenced by EvtBtoKD3P::decay().

◆ initDaughters() [2/2]

virtual std::vector< EvtVector4R > EvtPto3P::initDaughters ( const EvtDalitzPoint &  p) const
virtual

Implements EvtIntervalDecayAmp< EvtDalitzPoint >.

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