Concrete implementation of the QELFormFactorsModelI : Form Factors for Quasi Elastic NC vN scattering according to Llewellyn-Smith model. More...

#include <LwlynSmithFFNC.h>

Inheritance diagram for genie::LwlynSmithFFNC:

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Collaboration diagram for genie::LwlynSmithFFNC:

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Public Member Functions
	LwlynSmithFFNC ()

	LwlynSmithFFNC (string config)

virtual	~LwlynSmithFFNC ()

double	F1V (const Interaction *interaction) const
	Compute the form factor F1V for the input interaction. More...

double	xiF2V (const Interaction *interaction) const
	Compute the form factor xi*F2V for the input interaction. More...

double	FA (const Interaction *interaction) const
	Compute the form factor FA for the input interaction. More...

double	Fp (const Interaction *interaction) const
	Compute the form factor Fp for the input interaction. More...

Public Member Functions inherited from genie::LwlynSmithFF
virtual	~LwlynSmithFF ()

virtual void	Configure (const Registry &config)

virtual void	Configure (string config)

Public Member Functions inherited from genie::QELFormFactorsModelI
virtual	~QELFormFactorsModelI ()

Public Member Functions inherited from genie::Algorithm
virtual	~Algorithm ()

virtual void	FindConfig (void)

virtual const Registry &	GetConfig (void) const

Registry *	GetOwnedConfig (void)

virtual const AlgId &	Id (void) const
	Get algorithm ID. More...

virtual AlgStatus_t	GetStatus (void) const
	Get algorithm status. More...

virtual bool	AllowReconfig (void) const

virtual AlgCmp_t	Compare (const Algorithm *alg) const
	Compare with input algorithm. More...

virtual void	SetId (const AlgId &id)
	Set algorithm ID. More...

virtual void	SetId (string name, string config)

const Algorithm *	SubAlg (const RgKey &registry_key) const

void	AdoptConfig (void)

void	AdoptSubstructure (void)

virtual void	Print (ostream &stream) const
	Print algorithm info. More...

Additional Inherited Members
Static Public Member Functions inherited from genie::Algorithm
static string	BuildParamVectKey (const std::string &comm_name, unsigned int i)

static string	BuildParamVectSizeKey (const std::string &comm_name)

static string	BuildParamMatKey (const std::string &comm_name, unsigned int i, unsigned int j)

static string	BuildParamMatRowSizeKey (const std::string &comm_name)

static string	BuildParamMatColSizeKey (const std::string &comm_name)

Protected Member Functions inherited from genie::LwlynSmithFF
	LwlynSmithFF ()

	LwlynSmithFF (string name)

	LwlynSmithFF (string name, string config)

virtual void	LoadConfig (void)

virtual double	tau (const Interaction *interaction) const

virtual double	GVE (const Interaction *interaction) const

virtual double	GVM (const Interaction *interaction) const

virtual double	F1P (const Interaction *interaction) const

virtual double	F2P (const Interaction *interaction) const

virtual double	F1N (const Interaction *interaction) const

virtual double	F2N (const Interaction *interaction) const

virtual double	StrangeF1V (const Interaction *interaction) const

virtual double	StrangexiF2V (const Interaction *interaction) const

virtual double	StrangeFA (const Interaction *interaction) const

Protected Member Functions inherited from genie::QELFormFactorsModelI
	QELFormFactorsModelI ()

	QELFormFactorsModelI (string name)

	QELFormFactorsModelI (string name, string config)

Protected Member Functions inherited from genie::Algorithm
	Algorithm ()

	Algorithm (string name)

	Algorithm (string name, string config)

void	Initialize (void)

void	DeleteConfig (void)

void	DeleteSubstructure (void)

Registry *	ExtractLocalConfig (const Registry &in) const

Registry *	ExtractLowerConfig (const Registry &in, const string &alg_key) const
	Split an incoming configuration Registry into a block valid for the sub-algo identified by alg_key. More...

template<class T >
bool	GetParam (const RgKey &name, T &p, bool is_top_call=true) const

template<class T >
bool	GetParamDef (const RgKey &name, T &p, const T &def) const

template<class T >
int	GetParamVect (const std::string &comm_name, std::vector< T > &v, bool is_top_call=true) const
	Handle to load vectors of parameters. More...

int	GetParamVectKeys (const std::string &comm_name, std::vector< RgKey > &k, bool is_top_call=true) const

template<class T >
int	GetParamMat (const std::string &comm_name, TMatrixT< T > &mat, bool is_top_call=true) const
	Handle to load matrix of parameters. More...

template<class T >
int	GetParamMatSym (const std::string &comm_name, TMatrixTSym< T > &mat, bool is_top_call=true) const

int	GetParamMatKeys (const std::string &comm_name, std::vector< RgKey > &k, bool is_top_call=true) const

int	AddTopRegistry (Registry *rp, bool owns=true)
	add registry with top priority, also update ownership More...

int	AddLowRegistry (Registry *rp, bool owns=true)
	add registry with lowest priority, also update ownership More...

int	MergeTopRegistry (const Registry &r)

int	AddTopRegisties (const vector< Registry * > &rs, bool owns=false)
	Add registries with top priority, also udated Ownerships. More...

Protected Attributes inherited from genie::LwlynSmithFF
const ELFormFactorsModelI *	fElFFModel

const AxialFormFactorModelI *	fAxFFModel

ELFormFactors	fELFF

AxialFormFactor	fAxFF

double	fMuP

double	fMuN

double	fSin28w

double	fFDratio

bool	fCleanUpfElFFModel

Protected Attributes inherited from genie::Algorithm
bool	fAllowReconfig

bool	fOwnsSubstruc
	true if it owns its substructure (sub-algs,...) More...

AlgId	fID
	algorithm name and configuration set More...

vector< Registry * >	fConfVect

vector< bool >	fOwnerships
	ownership for every registry in fConfVect More...

AlgStatus_t	fStatus
	algorithm execution status More...

AlgMap *	fOwnedSubAlgMp
	local pool for owned sub-algs (taken out of the factory pool) More...

Detailed Description

Concrete implementation of the QELFormFactorsModelI : Form Factors for Quasi Elastic NC vN scattering according to Llewellyn-Smith model.

References:: E.A.Paschos and J.Y.Yu, hep-ph/0107261

Author: Costas Andreopoulos <c.andreopoulos cern.ch> University of Liverpool

Created:: May 03, 2004

License:: Copyright (c) 2003-2024, The GENIE Collaboration For the full text of the license visit http://copyright.genie-mc.org

Definition at line 29 of file LwlynSmithFFNC.h.

Constructor & Destructor Documentation

LwlynSmithFFNC::LwlynSmithFFNC ( )

Definition at line 22 of file LwlynSmithFFNC.cxx.

                                :
 LwlynSmithFF("genie::LwlynSmithFFNC")
 {
 
 }

LwlynSmithFFNC::LwlynSmithFFNC ( string config )

Definition at line 28 of file LwlynSmithFFNC.cxx.

                                             :
 LwlynSmithFF("genie::LwlynSmithFFNC", config)
 {
 
 }

LwlynSmithFFNC::~LwlynSmithFFNC ( )

virtual

Definition at line 34 of file LwlynSmithFFNC.cxx.

 {
 
 }

Member Function Documentation

double LwlynSmithFFNC::F1V ( const Interaction * interaction ) const

virtual

Compute the form factor F1V for the input interaction.

Reimplemented from genie::LwlynSmithFF.

Definition at line 39 of file LwlynSmithFFNC.cxx.

References genie::ELFormFactors::Calculate(), genie::LwlynSmithFF::F1V(), genie::LwlynSmithFF::fELFF, genie::LwlynSmithFF::fSin28w, genie::ELFormFactors::Gep(), genie::ELFormFactors::Gmp(), and genie::LwlynSmithFF::tau().

 {
   //-- calculate F1V-CC
   double F1V_CC = LwlynSmithFF::F1V(interaction);
 
   //-- calculate F1p (see hep-ph/0107261)
   fELFF.Calculate(interaction);
   double t   = LwlynSmithFF::tau(interaction);
   double F1p = fELFF.Gep() - t * fELFF.Gmp();
 
   //-- calculate F1V-NC
   double F1V_NC = 0.5*F1V_CC - 2*fSin28w*F1p;
   return F1V_NC;
 }

double LwlynSmithFFNC::FA ( const Interaction * interaction ) const

virtual

Compute the form factor FA for the input interaction.

Reimplemented from genie::LwlynSmithFF.

Definition at line 68 of file LwlynSmithFFNC.cxx.

References genie::LwlynSmithFF::FA().

Referenced by Fp().

 {
   //-- calculate FA_CC(q2)
   double FA_CC = LwlynSmithFF::FA(interaction);
 
   //-- calculate & return FA_NC(q2)
   double FA_NC = 0.5 * FA_CC;
   return FA_NC;
 }

double LwlynSmithFFNC::Fp ( const Interaction * interaction ) const

virtual

Compute the form factor Fp for the input interaction.

Reimplemented from genie::LwlynSmithFF.

Definition at line 78 of file LwlynSmithFFNC.cxx.

References FA(), genie::Target::HitNucMass(), genie::Interaction::InitState(), genie::Interaction::Kine(), genie::constants::kPionMass, genie::Kinematics::q2(), and genie::InitialState::Tgt().

 {
   //-- get the momentum transfer
   const Kinematics & kine = interaction->Kine();
   double q2 = kine.q2();
 
   //-- get struck nucleon mass & pion pass
   const InitialState & init_state = interaction->InitState();
   double MN   = init_state.Tgt().HitNucMass();
   double MN2  = TMath::Power(MN,        2);
   double Mpi2 = TMath::Power(kPionMass, 2);
 
   //-- calculate FA
   double fa = this->FA(interaction);
 
   //-- calculate and return Fp
   double Fp_NC = 2*MN2*fa/(Mpi2-q2);
   return Fp_NC;
 }

double LwlynSmithFFNC::xiF2V ( const Interaction * interaction ) const

virtual

Compute the form factor xi*F2V for the input interaction.

Reimplemented from genie::LwlynSmithFF.

Definition at line 54 of file LwlynSmithFFNC.cxx.

References genie::ELFormFactors::Calculate(), genie::LwlynSmithFF::fELFF, genie::LwlynSmithFF::fMuP, genie::LwlynSmithFF::fSin28w, genie::ELFormFactors::Gep(), genie::ELFormFactors::Gmp(), and genie::LwlynSmithFF::xiF2V().

 {
   //-- calculate xiF2V_CC
   double xiF2V_CC = LwlynSmithFF::xiF2V(interaction);
 
   //-- calculate F2p (see hep-ph/0107261)
   fELFF.Calculate(interaction);
   double F2p = (fELFF.Gmp() - fELFF.Gep()) / fMuP;
 
   //-- calculate xiF2-NC
   double xiF2V_NC = 0.5*xiF2V_CC - 2*fSin28w*(fMuP-1)*F2p;
   return xiF2V_NC;
 }

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

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation