Public Member Functions | List of all members
genie::LwlynSmithFFNC Class Reference

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:
genie::LwlynSmithFF genie::QELFormFactorsModelI genie::Algorithm

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 RegistryGetConfig (void) const
 
RegistryGetOwnedConfig (void)
 
virtual const AlgIdId (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 AlgorithmSubAlg (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)
 
- 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)
 
RegistryExtractLocalConfig (const Registry &in) const
 
RegistryExtractLowerConfig (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
 
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 ELFormFactorsModelIfElFFModel
 
const AxialFormFactorModelIfAxFFModel
 
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< boolfOwnerships
 ownership for every registry in fConfVect More...
 
AlgStatus_t fStatus
 algorithm execution status More...
 
AlgMapfOwnedSubAlgMp
 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.

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

Author
Costas Andreopoulos <constantinos.andreopoulos cern.ch> University of Liverpool & STFC Rutherford Appleton Laboratory

May 03, 2004

Copyright (c) 2003-2020, 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.

22  :
23 LwlynSmithFF("genie::LwlynSmithFFNC")
24 {
25 
26 }
LwlynSmithFFNC::LwlynSmithFFNC ( string  config)

Definition at line 28 of file LwlynSmithFFNC.cxx.

28  :
29 LwlynSmithFF("genie::LwlynSmithFFNC", config)
30 {
31 
32 }
static Config * config
Definition: config.cpp:1054
LwlynSmithFFNC::~LwlynSmithFFNC ( )
virtual

Definition at line 34 of file LwlynSmithFFNC.cxx.

35 {
36 
37 }

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.

40 {
41  //-- calculate F1V-CC
42  double F1V_CC = LwlynSmithFF::F1V(interaction);
43 
44  //-- calculate F1p (see hep-ph/0107261)
45  fELFF.Calculate(interaction);
46  double t = LwlynSmithFF::tau(interaction);
47  double F1p = fELFF.Gep() - t * fELFF.Gmp();
48 
49  //-- calculate F1V-NC
50  double F1V_NC = 0.5*F1V_CC - 2*fSin28w*F1p;
51  return F1V_NC;
52 }
ELFormFactors fELFF
Definition: LwlynSmithFF.h:77
virtual double tau(const Interaction *interaction) const
void Calculate(const Interaction *interaction)
Calculate the form factors for the input interaction using the attached algorithm.
double Gmp(void) const
Get the computed form factor Gmp.
Definition: ELFormFactors.h:53
double Gep(void) const
Get the computed form factor Gep.
Definition: ELFormFactors.h:50
virtual double F1V(const Interaction *interaction) const
Compute the form factor F1V for the input interaction.
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.

69 {
70  //-- calculate FA_CC(q2)
71  double FA_CC = LwlynSmithFF::FA(interaction);
72 
73  //-- calculate & return FA_NC(q2)
74  double FA_NC = 0.5 * FA_CC;
75  return FA_NC;
76 }
virtual double FA(const Interaction *interaction) const
Compute the form factor FA for the input interaction.
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.

79 {
80  //-- get the momentum transfer
81  const Kinematics & kine = interaction->Kine();
82  double q2 = kine.q2();
83 
84  //-- get struck nucleon mass & pion pass
85  const InitialState & init_state = interaction->InitState();
86  double MN = init_state.Tgt().HitNucMass();
87  double MN2 = TMath::Power(MN, 2);
88  double Mpi2 = TMath::Power(kPionMass, 2);
89 
90  //-- calculate FA
91  double fa = this->FA(interaction);
92 
93  //-- calculate and return Fp
94  double Fp_NC = 2*MN2*fa/(Mpi2-q2);
95  return Fp_NC;
96 }
double FA(const Interaction *interaction) const
Compute the form factor FA for the input interaction.
double HitNucMass(void) const
Definition: Target.cxx:233
Generated/set kinematical variables for an event.
Definition: Kinematics.h:39
double q2(bool selected=false) const
Definition: Kinematics.cxx:141
const Kinematics & Kine(void) const
Definition: Interaction.h:71
static const double kPionMass
Definition: Constants.h:73
const InitialState & InitState(void) const
Definition: Interaction.h:69
const Target & Tgt(void) const
Definition: InitialState.h:66
Initial State information.
Definition: InitialState.h:48
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.

55 {
56  //-- calculate xiF2V_CC
57  double xiF2V_CC = LwlynSmithFF::xiF2V(interaction);
58 
59  //-- calculate F2p (see hep-ph/0107261)
60  fELFF.Calculate(interaction);
61  double F2p = (fELFF.Gmp() - fELFF.Gep()) / fMuP;
62 
63  //-- calculate xiF2-NC
64  double xiF2V_NC = 0.5*xiF2V_CC - 2*fSin28w*(fMuP-1)*F2p;
65  return xiF2V_NC;
66 }
ELFormFactors fELFF
Definition: LwlynSmithFF.h:77
virtual double xiF2V(const Interaction *interaction) const
Compute the form factor xi*F2V for the input interaction.
void Calculate(const Interaction *interaction)
Calculate the form factors for the input interaction using the attached algorithm.
double Gmp(void) const
Get the computed form factor Gmp.
Definition: ELFormFactors.h:53
double Gep(void) const
Get the computed form factor Gep.
Definition: ELFormFactors.h:50

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