C++ Interface for the Fortran generator TEEGG. More...

#include <Teegg.h>

Collaboration diagram for Teegg:

Public Member Functions
	Teegg ()
	Constructor. More...

	~Teegg ()
	Destructor.

void	setDefaultSettings ()
	Sets the default settings for the TEEGG Fortran generator.

void	setVACPOL (const std::string &vacpol="HLMNT")
	specifies which vacuum polarization code (NOT IMPLEMENTED YET) More...

void	setTEVETO (double teveto=666.66)
	set maximum theta of e+ in final state (in radians) More...

void	setTEMIN (double temin=666.66)
	set minimum angle between the e- and -z axis (egamma conf. More...

void	setTGMIN (double tgmin=666.66)
	set minimum angle between the gamma and -z axis More...

void	setTGVETO (double tgveto=666.66)
	set maximum angle between the gamma and -z axis(etron conf. More...

void	setEEMIN (double eemin=666.66)
	set minimum energy of the e- (egamma & etron configurations) More...

void	setEGMIN (double egmin=666.66)
	set minimum energy of the gamma (egamma & gamma configurations) More...

void	setPEGMIN (double pegmin=666.66)
	set minimum phi sep of e-gamma (egamma config with hard rad corr) More...

void	setEEVETO (double eeveto=666.66)
	set minimum energy to veto(gamma config with hard rad corr) More...

void	setEGVETO (double egveto=666.66)
	set minimum energy to veto(etron/gamma config with hard rad corr) More...

void	setPHVETO (double phveto=666.66)
	set minimum phi sep to veto(etron/gamma config with hard rad corr) More...

void	setCUTOFF (double cutoff=666.66)
	set cutoff energy for radiative corrections (in CM frame) More...

void	setEPS (double eps=666.66)
	set param. More...

void	setFRAPHI (double fraphi=666.66)
	set fraction of time phi_ks is generated with peak(hard rad corr) More...

void	setEPSPHI (double epsphi=666.66)
	set param. More...

void	setWGHT1M (double wght1m=666.66)
	set maximum weight for generation of QP0, cos(theta QP) More...

void	setWGHTMX (double wghtmx=666.66)
	set maximum weight for the trial events More...

void	setRADCOR (const std::string &radcor="NONE")
	specifies radiative correction (NONE SOFT or HARD) More...

void	setCONFIG (const std::string &config="NONE")
	specifies the event configuration (EGAMMA GAMMA or ETRON) More...

void	setMATRIX (const std::string &matrix="NONE")
	specifies which eeg matrix element (BK BKM2 TCHAN or EPA) More...

void	setMTRXGG (const std::string &mtrxgg="NONE")
	specifies which eegg matrix element (EPADC BEEGG or MEEGG) More...

void	setUNWGHT (int unwght=1)
	set logical variable. More...

void	setCMSEnergy (double cmsEnergy)
	Sets the CMS energy. More...

void	init ()
	Initialize generator.

void	initExtraInfo ()
	Initializes the extra info.

void	generateEvent (MCParticleGraph &mcGraph, ROOT::Math::XYZVector vertex, ROOT::Math::LorentzRotation boost)
	Generates one single event. More...

double	getT ()
	returns kinematic variable T.

double	getW2 ()
	returns kinematic variable W2.

double	getWeight ()
	returns weight.

void	term ()
	Terminates the generator. More...

Protected Member Functions
void	applySettings ()
	Apply the settings to the internal Fortran generator.

void	storeParticle (MCParticleGraph &mcGraph, const double *mom, int pdg, ROOT::Math::XYZVector vertex, ROOT::Math::LorentzRotation boost, bool isVirtual=false, bool isInitial=false)
	Store a single generated particle into the MonteCarlo graph. More...

Protected Attributes
double	m_pi
	pi=3.1415....

double	m_conversionFactor
	Conversion factor for hbarc to nb.

double	m_alphaQED0
	QED coupling constant at Q=0.

double	m_massElectron
	muon mass.

double	m_cmsEnergy
	CMS Energy = 2*Ebeam [GeV].

double	m_TEVETO
	maximum theta of e+ in final state (in radians)

double	m_TEMIN
	minimum angle between the e- and -z axis (egamma conf. More...

double	m_TGMIN
	minimum angle between the gamma and -z axis

double	m_TGVETO
	maximum angle between the gamma and -z axis(etron conf. More...

double	m_EEMIN
	minimum energy of the e- (egamma & etron configurations)

double	m_EGMIN
	minimum energy of the gamma (egamma & gamma configurations)

double	m_PEGMIN
	minimum phi sep of e-gamma (egamma config with hard rad corr)

double	m_EEVETO
	minimum energy to veto(gamma config with hard rad corr)

double	m_EGVETO
	minimum energy to veto(etron/gamma config with hard rad corr)

double	m_PHVETO
	minimum phi sep to veto(etron/gamma config with hard rad corr

double	m_CUTOFF
	cutoff energy for radiative corrections (in CM frame)

double	m_EPS
	param. More...

double	m_FRAPHI
	fraction of time phi_ks is generated with peak(hard rad corr)

double	m_EPSPHI
	param. More...

double	m_WGHT1M
	maximum weight for generation of QP0, cos(theta QP)

double	m_WGHTMX
	maximum weight for the trial events

int	m_VACPOL
	vacuum polarization: off, nsk (Novosibirsk) or hlmnt (Teubner).

int	m_RADCOR
	specifies radiative correction (NONE SOFT or HARD)

int	m_CONFIG
	specifies the event configuration (EGAMMA GAMMA or ETRON)

int	m_MATRIX
	specifies which eeg matrix element (BK BKM2 TCHAN or EPA)

int	m_MTRXGG
	specifies which eegg matrix element (EPADC BEEGG or MEEGG)

std::string	m_sVACPOL
	vacuum polarization: off, nsk (Novosibirsk) or hlmnt (Teubner).

std::string	m_sRADCOR
	specifies radiative correction (NONE SOFT or HARD)

std::string	m_sCONFIG
	specifies the event configuration (EGAMMA GAMMA or ETRON)

std::string	m_sMATRIX
	specifies which eeg matrix element (BK BKM2 TCHAN or EPA)

std::string	m_sMTRXGG
	specifies which eegg matrix element (EPADC BEEGG or MEEGG)

int	m_UNWGHT
	logical variable. More...

double	m_t
	T=-Q2.

double	m_w2
	W2.

double	m_weight
	weight per event

double	m_vp2
	vacuum polarization squared (multiply with this to correcty for VP)

Private Attributes
int	m_npar [100]
	Integer parameters for Teegg.

double	m_xpar [100]
	Double parameters for Teegg.

Detailed Description

C++ Interface for the Fortran generator TEEGG.

Definition at line 25 of file Teegg.h.

Constructor & Destructor Documentation

◆ Teegg()

Teegg ( )

Constructor.

Sets the default settings.

Definition at line 88 of file Teegg.cc.

 {
   for (int i = 0; i < 100; ++i) {
     m_npar[i] = 0;
     m_xpar[i] = 0.0;
   }
  
   setDefaultSettings();
 }

Member Function Documentation

◆ generateEvent()

void generateEvent	(	MCParticleGraph &	mcGraph,
		ROOT::Math::XYZVector	vertex,
		ROOT::Math::LorentzRotation	boost
	)

Generates one single event.

Parameters

mcGraph	Reference to the MonteCarlo graph into which the generated particles will be stored.
vertex	Production vertex.
boost	Lorentz boost vector.

Definition at line 159 of file Teegg.cc.

◆ setCMSEnergy()

void setCMSEnergy ( double cmsEnergy )

inline

Sets the CMS energy.

Parameters

cmsEnergy The CMS energy in [GeV].

Definition at line 152 of file Teegg.h.

152 { m_cmsEnergy = cmsEnergy; }

Belle2::Teegg::m_cmsEnergy

double m_cmsEnergy

CMS Energy = 2*Ebeam [GeV].

Definition: Teegg.h:192

◆ setCONFIG()

void setCONFIG ( const std::string & config = "NONE" )

inline

specifies the event configuration (EGAMMA GAMMA or ETRON)

Parameters

config event configuration (EGAMMA GAMMA or ETRON)

Definition at line 132 of file Teegg.h.

◆ setCUTOFF()

void setCUTOFF ( double cutoff = 666.66 )

inline

set cutoff energy for radiative corrections (in CM frame)

Parameters

cutoff cutoff energy for radiative corrections (in CM frame)

Definition at line 97 of file Teegg.h.

◆ setEEMIN()

void setEEMIN ( double eemin = 666.66 )

inline

set minimum energy of the e- (egamma & etron configurations)

Parameters

eemin minimum energy of the e- (egamma & etron configurations)

Definition at line 67 of file Teegg.h.

◆ setEEVETO()

void setEEVETO ( double eeveto = 666.66 )

inline

set minimum energy to veto(gamma config with hard rad corr)

Parameters

eeveto minimum energy to veto(gamma config with hard rad corr)

Definition at line 82 of file Teegg.h.

◆ setEGMIN()

void setEGMIN ( double egmin = 666.66 )

inline

set minimum energy of the gamma (egamma & gamma configurations)

Parameters

egmin minimum energy of the gamma (egamma & gamma configurations)

Definition at line 72 of file Teegg.h.

◆ setEGVETO()

void setEGVETO ( double egveto = 666.66 )

inline

set minimum energy to veto(etron/gamma config with hard rad corr)

Parameters

egveto minimum energy to veto(etron/gamma config with hard rad corr)

Definition at line 87 of file Teegg.h.

◆ setEPS()

void setEPS ( double eps = 666.66 )

inline

set param.

epsilon_s (smaller val. increases sampling of k_s^pbc)

Parameters

eps	param. epsilon_s (smaller val. increases sampling of k_s^pbc)

Definition at line 102 of file Teegg.h.

◆ setEPSPHI()

void setEPSPHI ( double epsphi = 666.66 )

inline

set param.

epsilon_phi ('cutoff' of the phi_ks peak)

Parameters

epsphi param. epsilon_phi ('cutoff' of the phi_ks peak)

Definition at line 112 of file Teegg.h.

◆ setFRAPHI()

void setFRAPHI ( double fraphi = 666.66 )

inline

set fraction of time phi_ks is generated with peak(hard rad corr)

Parameters

fraphi parfraction of time phi_ks is generated with peak(hard rad corr)

Definition at line 107 of file Teegg.h.

◆ setMATRIX()

void setMATRIX ( const std::string & matrix = "NONE" )

inline

specifies which eeg matrix element (BK BKM2 TCHAN or EPA)

Parameters

matrix eeg matrix element (BK BKM2 TCHAN or EPA)

Definition at line 137 of file Teegg.h.

◆ setMTRXGG()

void setMTRXGG ( const std::string & mtrxgg = "NONE" )

inline

specifies which eegg matrix element (EPADC BEEGG or MEEGG)

Parameters

mtrxgg eegg matrix element (EPADC BEEGG or MEEGG)

Definition at line 142 of file Teegg.h.

◆ setPEGMIN()

void setPEGMIN ( double pegmin = 666.66 )

inline

set minimum phi sep of e-gamma (egamma config with hard rad corr)

Parameters

pegmin minimum phi sep of e-gamma (egamma config with hard rad corr)

Definition at line 77 of file Teegg.h.

◆ setPHVETO()

void setPHVETO ( double phveto = 666.66 )

inline

set minimum phi sep to veto(etron/gamma config with hard rad corr)

Parameters

phveto minimum phi sep to veto(etron/gamma config with hard rad corr)

Definition at line 92 of file Teegg.h.

◆ setRADCOR()

void setRADCOR ( const std::string & radcor = "NONE" )

inline

specifies radiative correction (NONE SOFT or HARD)

Parameters

radcor radiative correction (NONE SOFT or HARD)

Definition at line 127 of file Teegg.h.

◆ setTEMIN()

void setTEMIN ( double temin = 666.66 )

inline

set minimum angle between the e- and -z axis (egamma conf.

only)

Parameters

temin minimum angle between the e- and -z axis (egamma conf. only)

Definition at line 52 of file Teegg.h.

◆ setTEVETO()

void setTEVETO ( double teveto = 666.66 )

inline

set maximum theta of e+ in final state (in radians)

Parameters

teveto maximum theta of e+ in final state (in radians)

Definition at line 47 of file Teegg.h.

◆ setTGMIN()

void setTGMIN ( double tgmin = 666.66 )

inline

set minimum angle between the gamma and -z axis

Parameters

tgmin minimum angle between the gamma and -z axis

Definition at line 57 of file Teegg.h.

◆ setTGVETO()

void setTGVETO ( double tgveto = 666.66 )

inline

set maximum angle between the gamma and -z axis(etron conf.

only)

Parameters

tgveto maximum angle between the gamma and -z axis(etron conf. only)

Definition at line 62 of file Teegg.h.

◆ setUNWGHT()

void setUNWGHT ( int unwght = 1 )

inline

set logical variable.

If true then generate unweighted events

Parameters

unwght logical variable. If true then generate unweighted events

Definition at line 147 of file Teegg.h.

◆ setVACPOL()

void setVACPOL ( const std::string & vacpol = "HLMNT" )

inline

specifies which vacuum polarization code (NOT IMPLEMENTED YET)

Parameters

vacpol vacuum polarization code (NOT IMPLEMENTED YET)

Definition at line 42 of file Teegg.h.

◆ setWGHT1M()

void setWGHT1M ( double wght1m = 666.66 )

inline

set maximum weight for generation of QP0, cos(theta QP)

Parameters

wght1m maximum weight for generation of QP0, cos(theta QP)

Definition at line 117 of file Teegg.h.

◆ setWGHTMX()

void setWGHTMX ( double wghtmx = 666.66 )

inline

set maximum weight for the trial events

Parameters

wghtmx maximum weight for the trial events

Definition at line 122 of file Teegg.h.

◆ storeParticle()

void storeParticle	(	MCParticleGraph &	mcGraph,
		const double *	mom,
		int	pdg,
		ROOT::Math::XYZVector	vertex,
		ROOT::Math::LorentzRotation	boost,
		bool	isVirtual = `false`,
		bool	isInitial = `false`
	)

protected

Store a single generated particle into the MonteCarlo graph.

Parameters

mcGraph	Reference to the MonteCarlo graph into which the particle should be stored.
mom	The 3-momentum of the particle in [GeV].
pdg	The PDG code of the particle.
vertex	Produciton vertex.
boost	Lorentz boost vector.
isVirtual	If the particle is a virtual particle, such as the incoming particles, set this to true.
isInitial	If the particle is a initial particle for ISR, set this to true.

Definition at line 281 of file Teegg.cc.

◆ term()

void term ( )

Terminates the generator.

Closes the internal Fortran generator.

Definition at line 197 of file Teegg.cc.

Member Data Documentation

◆ m_EPS

double m_EPS

protected

param.

epsilon_s (smaller val. increases sampling of k_s^pbc)

Definition at line 205 of file Teegg.h.

◆ m_EPSPHI

double m_EPSPHI

protected

param.

epsilon_phi ('cutoff' of the phi_ks peak)

Definition at line 207 of file Teegg.h.

◆ m_TEMIN

double m_TEMIN

protected

minimum angle between the e- and -z axis (egamma conf.

only)

Definition at line 195 of file Teegg.h.

◆ m_TGVETO

double m_TGVETO

protected

maximum angle between the gamma and -z axis(etron conf.

only)

Definition at line 197 of file Teegg.h.

◆ m_UNWGHT

int m_UNWGHT

protected

logical variable.

If true then generate unweighted events.

Definition at line 221 of file Teegg.h.

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

generators/teegg/include/Teegg.h
generators/teegg/src/Teegg.cc

Public Member Functions

Protected Member Functions

Protected Attributes

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Teegg()

Member Function Documentation

◆ generateEvent()

◆ setCMSEnergy()

◆ setCONFIG()

◆ setCUTOFF()

◆ setEEMIN()

◆ setEEVETO()

◆ setEGMIN()

◆ setEGVETO()

◆ setEPS()

◆ setEPSPHI()

◆ setFRAPHI()

◆ setMATRIX()

◆ setMTRXGG()

◆ setPEGMIN()

◆ setPHVETO()

◆ setRADCOR()

◆ setTEMIN()

◆ setTEVETO()

◆ setTGMIN()

◆ setTGVETO()

◆ setUNWGHT()

◆ setVACPOL()

◆ setWGHT1M()

◆ setWGHTMX()

◆ storeParticle()

◆ term()

Member Data Documentation

◆ m_EPS

◆ m_EPSPHI

◆ m_TEMIN

◆ m_TGVETO

◆ m_UNWGHT