BOSS 8.0.0
BESIII Offline Software System
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TPhoton Class Reference

#include <TPhoton.h>

Inheritance diagram for TPhoton:

Public Member Functions

 TPhoton ()
virtual ~TPhoton ()
virtual void Init ()
double GetMinimum ()
double GetMaximum ()
virtual double GetCosTheta ()
virtual double GetThNorm ()
virtual double GetCosThetaF ()
virtual double GetThNormF ()
virtual double GetCosThetaF2 ()
virtual double GetThNormF2 ()
double GetPhE ()
double GetPhC ()
virtual double GetENorm ()
virtual double GetEnergy ()
void SetCosTheta (const double &x)
void SetEnergy (const double &x)

Static Public Member Functions

static double GetPhi ()
static double GetPhiNorm ()

Protected Attributes

double fNorm
double fP0
double fP1
double fP2
double fP3
double fxmin
double fxmax
double fX
double fCosTheta
double fLnD
double fBetaI
double fiBetaI
double fLnD_n
double fBt
double fLnD_n2
double fBt2

Detailed Description

Definition at line 7 of file TPhoton.h.

Constructor & Destructor Documentation

◆ TPhoton()

TPhoton::TPhoton ( )
inline

Definition at line 26 of file TPhoton.h.

26{ Init(); };
TPhoton::Init
virtual void Init()
Definition TPhoton.h:28

Referenced by TPhotonD::TPhotonD(), TPhotonF::TPhotonF(), TPhotonI::TPhotonI(), and TPhotonS::TPhotonS().

◆ ~TPhoton()

virtual TPhoton::~TPhoton ( )
inlinevirtual

Definition at line 27 of file TPhoton.h.

27{};

Member Function Documentation

◆ GetCosTheta()

virtual double TPhoton::GetCosTheta ( )
inlinevirtual

Reimplemented in TPhotonFS.

Definition at line 32 of file TPhoton.h.

32 {
33 double d = exp( fLnD * ( 2 * gRandom->Rndm() - 1 ) );
34 fCosTheta = ( d - 1 ) / ( fBetaI * ( d + 1 ) );
35 return fCosTheta;
36 }
exp
EvtComplex exp(const EvtComplex &c)
Definition EvtComplex.hh:209
TPhoton::fLnD
double fLnD
Definition TPhoton.h:18
TPhoton::fCosTheta
double fCosTheta
Definition TPhoton.h:17
TPhoton::fBetaI
double fBetaI
Definition TPhoton.h:19

◆ GetCosThetaF()

virtual double TPhoton::GetCosThetaF ( )
inlinevirtual

Definition at line 42 of file TPhoton.h.

42 {
43 double d = fBt * exp( fLnD_n * gRandom->Rndm() );
44 fCosTheta = ( d - 1 ) / ( fBetaI * ( d + 1 ) );
45 return fCosTheta;
46 }
TPhoton::fBt
double fBt
Definition TPhoton.h:22
TPhoton::fLnD_n
double fLnD_n
Definition TPhoton.h:21

◆ GetCosThetaF2()

virtual double TPhoton::GetCosThetaF2 ( )
inlinevirtual

Definition at line 52 of file TPhoton.h.

52 {
53 double d = fBt2 * exp( fLnD_n2 * gRandom->Rndm() );
54 fCosTheta = ( 1 - d ) * fiBetaI;
55 return fCosTheta;
56 }
TPhoton::fLnD_n2
double fLnD_n2
Definition TPhoton.h:23
TPhoton::fBt2
double fBt2
Definition TPhoton.h:24
TPhoton::fiBetaI
double fiBetaI
Definition TPhoton.h:20

◆ GetEnergy()

virtual double TPhoton::GetEnergy ( )
inlinevirtual

Reimplemented in TPhotonD, TPhotonF, TPhotonI, and TPhotonS.

Definition at line 68 of file TPhoton.h.

68{ return 0; };

◆ GetENorm()

virtual double TPhoton::GetENorm ( )
inlinevirtual

Reimplemented in TPhotonD, TPhotonF, TPhotonI, and TPhotonS.

Definition at line 67 of file TPhoton.h.

67{ return 1; };

◆ GetMaximum()

double TPhoton::GetMaximum ( )
inline

Definition at line 30 of file TPhoton.h.

30{ return fxmax; }
TPhoton::fxmax
double fxmax
Definition TPhoton.h:15

◆ GetMinimum()

double TPhoton::GetMinimum ( )
inline

Definition at line 29 of file TPhoton.h.

29{ return fxmin; }
TPhoton::fxmin
double fxmin
Definition TPhoton.h:14

◆ GetPhC()

double TPhoton::GetPhC ( )
inline

Definition at line 66 of file TPhoton.h.

66{ return fCosTheta; }

◆ GetPhE()

double TPhoton::GetPhE ( )
inline

Definition at line 65 of file TPhoton.h.

65{ return fX; }
TPhoton::fX
double fX
Definition TPhoton.h:16

◆ GetPhi()

double TPhoton::GetPhi ( )
inlinestatic

Definition at line 62 of file TPhoton.h.

62{ return 2 * gRandom->Rndm() * M_PI; }
M_PI
#define M_PI
Definition TConstant.h:4

◆ GetPhiNorm()

double TPhoton::GetPhiNorm ( )
inlinestatic

Definition at line 63 of file TPhoton.h.

63{ return 2 * M_PI; }

◆ GetThNorm()

virtual double TPhoton::GetThNorm ( )
inlinevirtual

Reimplemented in TPhotonFS.

Definition at line 37 of file TPhoton.h.

37 {
38 double k = fBetaI * fCosTheta;
39 return fLnD * ( 1 - k * k );
40 }

◆ GetThNormF()

virtual double TPhoton::GetThNormF ( )
inlinevirtual

Definition at line 47 of file TPhoton.h.

47 {
48 double k = fBetaI * fCosTheta;
49 return -0.5 * fiBetaI * fLnD_n * ( 1 - k * k );
50 }

◆ GetThNormF2()

virtual double TPhoton::GetThNormF2 ( )
inlinevirtual

Definition at line 57 of file TPhoton.h.

57 {
58 double k = fBetaI * fCosTheta;
59 return fiBetaI * fLnD_n2 * ( 1 - k );
60 }

◆ Init()

virtual void TPhoton::Init ( )
inlinevirtual

Reimplemented in TPhotonD, TPhotonF, TPhotonI, and TPhotonS.

Definition at line 28 of file TPhoton.h.

28{};

Referenced by TPhoton().

◆ SetCosTheta()

void TPhoton::SetCosTheta ( const double & x)
inline

Definition at line 70 of file TPhoton.h.

70{ fCosTheta = x; }
x
Double_t x[10]
Definition DataBase/tau_mode.c:49

◆ SetEnergy()

void TPhoton::SetEnergy ( const double & x)
inline

Definition at line 71 of file TPhoton.h.

71{ fX = x; }

Member Data Documentation

◆ fBetaI

double TPhoton::fBetaI
protected

Definition at line 19 of file TPhoton.h.

Referenced by GetCosTheta(), GetCosThetaF(), GetThNorm(), GetThNormF(), and GetThNormF2().

◆ fBt

double TPhoton::fBt
protected

Definition at line 22 of file TPhoton.h.

Referenced by GetCosThetaF().

◆ fBt2

double TPhoton::fBt2
protected

Definition at line 24 of file TPhoton.h.

Referenced by GetCosThetaF2().

◆ fCosTheta

double TPhoton::fCosTheta
protected

Definition at line 17 of file TPhoton.h.

Referenced by GetCosTheta(), TPhotonFS::GetCosTheta(), GetCosThetaF(), GetCosThetaF2(), GetPhC(), GetThNorm(), GetThNormF(), GetThNormF2(), and SetCosTheta().

◆ fiBetaI

double TPhoton::fiBetaI
protected

Definition at line 20 of file TPhoton.h.

Referenced by GetCosThetaF2(), GetThNormF(), and GetThNormF2().

◆ fLnD

double TPhoton::fLnD
protected

Definition at line 18 of file TPhoton.h.

Referenced by GetCosTheta(), and GetThNorm().

◆ fLnD_n

double TPhoton::fLnD_n
protected

Definition at line 21 of file TPhoton.h.

Referenced by GetCosThetaF(), and GetThNormF().

◆ fLnD_n2

double TPhoton::fLnD_n2
protected

Definition at line 23 of file TPhoton.h.

Referenced by GetCosThetaF2(), and GetThNormF2().

◆ fNorm

double TPhoton::fNorm
protected

Definition at line 9 of file TPhoton.h.

Referenced by TPhotonD::GetEnergy(), TPhotonD::GetENorm(), TPhotonF::GetENorm(), TPhotonI::GetENorm(), and TPhotonS::GetENorm().

◆ fP0

double TPhoton::fP0
protected

Definition at line 10 of file TPhoton.h.

Referenced by TPhotonD::GetEnergy(), TPhotonF::GetEnergy(), TPhotonI::GetEnergy(), and TPhotonS::GetEnergy().

◆ fP1

double TPhoton::fP1
protected

Definition at line 11 of file TPhoton.h.

Referenced by TPhotonD::GetEnergy(), TPhotonF::GetEnergy(), TPhotonI::GetEnergy(), and TPhotonS::GetEnergy().

◆ fP2

double TPhoton::fP2
protected

Definition at line 12 of file TPhoton.h.

◆ fP3

double TPhoton::fP3
protected

Definition at line 13 of file TPhoton.h.

◆ fX

double TPhoton::fX
protected

Definition at line 16 of file TPhoton.h.

Referenced by TPhotonD::GetEnergy(), TPhotonD::GetEnergy(), TPhotonF::GetEnergy(), TPhotonI::GetEnergy(), TPhotonS::GetEnergy(), TPhotonF::GetENorm(), TPhotonI::GetENorm(), GetPhE(), TPhotonS::GetX(), TPhotonS::GetXNorm(), and SetEnergy().

◆ fxmax

double TPhoton::fxmax
protected

Definition at line 15 of file TPhoton.h.

Referenced by GetMaximum().

◆ fxmin

double TPhoton::fxmin
protected

Definition at line 14 of file TPhoton.h.

Referenced by GetMinimum().

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