TPhotonS Class Reference

#include <TPhoton.h>

Inheritance diagram for TPhotonS:

List of all members.

Public Member Functions
	TPhotonS ()
void	Init ()
void	Init (const double &, const double &)
double	GetEnergy ()
void	GetEnergy (double &x1, double &x2, double &x3, double &x4)
double	GetENorm ()
double	GetXNorm ()
double	GetX ()
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 ()
void	SetCosTheta (const double &x)
void	SetEnergy (const double &x)
Static Public Member Functions
static double	GetPhi ()
static double	GetPhiNorm ()
Protected Attributes
double	fP2
double	fP3
double	fNorm
double	fP0
double	fP1
double	fxmin
double	fxmax
double	fX
double	fCosTheta
double	fLnD
double	fBetaI
double	fiBetaI
double	fLnD_n
double	fBt
double	fLnD_n2
double	fBt2

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Detailed Description

Definition at line 125 of file TPhoton.h.

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Constructor & Destructor Documentation

TPhotonS::TPhotonS

(

)

[inline]

Definition at line 129 of file TPhoton.h.

:TPhoton(){};

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Member Function Documentation

virtual double TPhoton::GetCosTheta

(

)

[inline, virtual, inherited]

Reimplemented in TPhotonFS.

Definition at line 32 of file TPhoton.h.

References exp(), TPhoton::fBetaI, TPhoton::fCosTheta, and TPhoton::fLnD.

Referenced by TEvent::MakeEvent().

                                     {
    double d = exp(fLnD*(2*gRandom->Rndm() - 1));
    fCosTheta = (d - 1)/(fBetaI*(d + 1));
    return fCosTheta;
  }

virtual double TPhoton::GetCosThetaF

(

)

[inline, virtual, inherited]

Definition at line 42 of file TPhoton.h.

References exp(), TPhoton::fBetaI, TPhoton::fBt, TPhoton::fCosTheta, and TPhoton::fLnD_n.

Referenced by TEvent::MakeEvent().

                                      {
    double d = fBt*exp(fLnD_n*gRandom->Rndm());
    fCosTheta = (d - 1)/(fBetaI*(d + 1));
    return fCosTheta;
  }

virtual double TPhoton::GetCosThetaF2

(

)

[inline, virtual, inherited]

Definition at line 52 of file TPhoton.h.

References exp(), TPhoton::fBt2, TPhoton::fCosTheta, TPhoton::fiBetaI, and TPhoton::fLnD_n2.

                                       {
    double d = fBt2*exp(fLnD_n2*gRandom->Rndm());
    fCosTheta = (1-d)*fiBetaI;
    return fCosTheta;
  }

void TPhotonS::GetEnergy	(	double &	x1,
		double &	x2,
		double &	x3,
		double &	x4
	)			[inline]

Definition at line 133 of file TPhoton.h.

References exp(), TPhoton::fP0, TPhoton::fP1, and TPhoton::fX.

                                                                       {
    double t1 = log(gRandom->Rndm())*fP1;
    x1 = fP0*exp(t1);

    double t2 = log(gRandom->Rndm())*fP1;
    x2 = fP0*exp(t2);

    double t3 = log(gRandom->Rndm())*fP1;
    x3 = fP0*exp(t3);

    double t4 = log(gRandom->Rndm())*fP1;
    x4 = fP0*exp(t4);

    fX = t1 + t2 + t3 + t4;
    
  }

double TPhotonS::GetEnergy

(

)

[inline, virtual]

Reimplemented from TPhoton.

Definition at line 132 of file TPhoton.h.

{return 0;};

double TPhotonS::GetENorm

(

)

[inline, virtual]

Reimplemented from TPhoton.

Definition at line 149 of file TPhoton.h.

References TPhoton::fNorm.

{return fNorm;}

double TPhoton::GetMaximum

(

)

[inline, inherited]

Definition at line 30 of file TPhoton.h.

References TPhoton::fxmax.

{return fxmax;}

double TPhoton::GetMinimum

(

)

[inline, inherited]

Definition at line 29 of file TPhoton.h.

References TPhoton::fxmin.

{return fxmin;}

double TPhoton::GetPhC

(

)

[inline, inherited]

Definition at line 68 of file TPhoton.h.

References TPhoton::fCosTheta.

{return fCosTheta;}

double TPhoton::GetPhE

(

)

[inline, inherited]

Definition at line 67 of file TPhoton.h.

References TPhoton::fX.

{return fX;}

static double TPhoton::GetPhi

(

)

[inline, static, inherited]

Definition at line 62 of file TPhoton.h.

References M_PI.

Referenced by TEvent::MakeEvent().

                        {
    return 2*gRandom->Rndm()*M_PI;
  }

static double TPhoton::GetPhiNorm

(

)

[inline, static, inherited]

Definition at line 65 of file TPhoton.h.

References M_PI.

Referenced by TPiCrossPart::GetValue(), TMuCrossPart::GetValue(), TGGCrossPart::GetValue(), and TEPCrossPart::GetValue().

{return 2*M_PI;}

virtual double TPhoton::GetThNorm

(

)

[inline, virtual, inherited]

Reimplemented in TPhotonFS.

Definition at line 37 of file TPhoton.h.

References TPhoton::fBetaI, TPhoton::fCosTheta, and TPhoton::fLnD.

Referenced by TPiCrossPart::GetValue(), TMuCrossPart::GetValue(), TGGCrossPart::GetValue(), and TEPCrossPart::GetValue().

                                   {
    double k = fBetaI*fCosTheta;
    return fLnD*(1 - k*k);
  }

virtual double TPhoton::GetThNormF

(

)

[inline, virtual, inherited]

Definition at line 47 of file TPhoton.h.

References TPhoton::fBetaI, TPhoton::fCosTheta, TPhoton::fiBetaI, and TPhoton::fLnD_n.

Referenced by TEPCrossPart::GetValue().

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

virtual double TPhoton::GetThNormF2

(

)

[inline, virtual, inherited]

Definition at line 57 of file TPhoton.h.

References TPhoton::fBetaI, TPhoton::fCosTheta, TPhoton::fiBetaI, and TPhoton::fLnD_n2.

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

double TPhotonS::GetX

(

)

[inline]

Definition at line 151 of file TPhoton.h.

References TPhoton::fX.

{return fX;}

double TPhotonS::GetXNorm

(

)

[inline]

Definition at line 150 of file TPhoton.h.

References exp(), fP2, fP3, and TPhoton::fX.

{return fP2*exp(fP3*fX);}

void TPhotonS::Init	(	const double &	,
		const double &
	)

Definition at line 47 of file TPhoton.C.

References TPhoton::fBetaI, TPhoton::fLnD, TPhoton::fNorm, TPhoton::fP0, TPhoton::fP1, fP2, fP3, TRadGlobal::Get_BetaI(), TRadGlobal::Get_LnD(), and gGlobal.

                                                            {
  // Initializing photons in final state 
  // by distribution 1/x
  fP0 = delta;
  fP1 = 2/beta;
  fP2 = pow(2/beta*pow(delta,-beta/2),4);
  fP3 = 1.-beta/2;
  fNorm = pow(pow(delta,beta/2),4);
  fBetaI = gGlobal->Get_BetaI();
  fLnD   = gGlobal->Get_LnD();
}

void TPhotonS::Init

(

)

[virtual]

Reimplemented from TPhoton.

Definition at line 39 of file TPhoton.C.

References TPhoton::fBetaI, TPhoton::fLnD, TRadGlobal::Get_Beta(), TRadGlobal::Get_BetaI(), TRadGlobal::Get_LnD(), TRadGlobal::Get_XMin(), and gGlobal.

                   {
  // Initializing photons in final state 
  // by distribution 1/x
  Init(gGlobal->Get_XMin(), gGlobal->Get_Beta());
  fBetaI = gGlobal->Get_BetaI();
  fLnD   = gGlobal->Get_LnD();
}

void TPhoton::SetCosTheta

(

const double &

x

)

[inline, inherited]

Definition at line 72 of file TPhoton.h.

References TPhoton::fCosTheta.

Referenced by TEvent::MakeEvent().

{fCosTheta = x;}

void TPhoton::SetEnergy

(

const double &

x

)

[inline, inherited]

Definition at line 73 of file TPhoton.h.

References TPhoton::fX.

Referenced by TEvent::MakeEvent().

{fX = x;}

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Member Data Documentation

double TPhoton::fBetaI [protected, inherited]

Definition at line 19 of file TPhoton.h.

Referenced by TPhoton::GetCosTheta(), TPhoton::GetCosThetaF(), TPhoton::GetThNorm(), TPhoton::GetThNormF(), TPhoton::GetThNormF2(), TPhotonD::Init(), Init(), TPhotonF::Init(), and TPhotonI::Init().

double TPhoton::fBt [protected, inherited]

Definition at line 22 of file TPhoton.h.

Referenced by TPhoton::GetCosThetaF(), and TPhotonF::Init().

double TPhoton::fBt2 [protected, inherited]

Definition at line 24 of file TPhoton.h.

Referenced by TPhoton::GetCosThetaF2(), and TPhotonF::Init().

double TPhoton::fCosTheta [protected, inherited]

Definition at line 17 of file TPhoton.h.

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

double TPhoton::fiBetaI [protected, inherited]

Definition at line 20 of file TPhoton.h.

Referenced by TPhoton::GetCosThetaF2(), TPhoton::GetThNormF(), TPhoton::GetThNormF2(), and TPhotonF::Init().

double TPhoton::fLnD [protected, inherited]

Definition at line 18 of file TPhoton.h.

Referenced by TPhoton::GetCosTheta(), TPhoton::GetThNorm(), TPhotonD::Init(), Init(), TPhotonF::Init(), and TPhotonI::Init().

double TPhoton::fLnD_n [protected, inherited]

Definition at line 21 of file TPhoton.h.

Referenced by TPhoton::GetCosThetaF(), TPhoton::GetThNormF(), and TPhotonF::Init().

double TPhoton::fLnD_n2 [protected, inherited]

Definition at line 23 of file TPhoton.h.

Referenced by TPhoton::GetCosThetaF2(), TPhoton::GetThNormF2(), and TPhotonF::Init().

double TPhoton::fNorm [protected, inherited]

Definition at line 9 of file TPhoton.h.

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

double TPhoton::fP0 [protected, inherited]

Definition at line 10 of file TPhoton.h.

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

double TPhoton::fP1 [protected, inherited]

Definition at line 11 of file TPhoton.h.

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

double TPhotonS::fP2 [protected]

Reimplemented from TPhoton.

Definition at line 127 of file TPhoton.h.

Referenced by GetXNorm(), and Init().

double TPhotonS::fP3 [protected]

Reimplemented from TPhoton.

Definition at line 127 of file TPhoton.h.

Referenced by GetXNorm(), and Init().

double TPhoton::fX [protected, inherited]

Definition at line 16 of file TPhoton.h.

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

double TPhoton::fxmax [protected, inherited]

Definition at line 15 of file TPhoton.h.

Referenced by TPhoton::GetMaximum().

double TPhoton::fxmin [protected, inherited]

Definition at line 14 of file TPhoton.h.

Referenced by TPhoton::GetMinimum().

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